SQ48 Power-One, SQ48 Datasheet
SQ48
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SQ48 Summary of contents
Page 1
... The use of 100% automation for assembly, coupled with advanced electronic circuits and thermal design, results in a product with extremely high reliability. Operating from a 36-75 V input, the SQ48 Series converters provide any standard output voltage from 12 V down to 1.0 V. Outputs can be trimmed from –20% to +10% of the nominal output voltage (±10% for output voltages 1 ...
Page 2
... Use trim equation on Page 4 (1.0 -1.2 V) Percent NOM OUT Non-latching (1 Non-latching (1.0 - 1.2 V) Applies to all protection features See Figs and order to ensure specified operation of overvoltage protection circuitry. NOM Page SQ48 DC-DC Series Data Sheet Min Typ Max 0 -40 - 2000 ...
Page 3
... When using remote sense, the output voltage at the converter can be increased by as much as 10% above the nominal rating in order to maintain the required voltage across the load. Therefore, the Page SQ48 DC-DC Series Data Sheet remote sense feature of the ...
Page 4
... V TRIM Rload SENSE (-) + [ OUT Vout (-) This equation is applicable for any condition of output sensing and/or output trim. Page SQ48 DC-DC Series Data Sheet , should be connected between the T-DECR 511 = − 10.22 [kΩ] (1.5 – Δ 700 = − ...
Page 5
... An effective internal LC differential filter significantly reduces input reflected ripple current, and improves EMC. With the addition of a simple external filter (see Application Note 100), all versions of the SQ48 Series converters pass the requirements of Class B conducted requirements. Please contact Power-One Applications Engineering for details of this testing. ...
Page 6
... SEP 14, 2005 revised to NOV 06, 2006 SQ48 DC-DC Series Data Sheet 36-75 VDC Input; 1.0-12 VDC Output (ii) The nominal rating of the converter ( 5.0 V, and 3.3 – 1.0 V)). During normal operation, derating curves maximum FET temperature less or equal to 120 °C should not be exceeded ...
Page 7
... For ( startup will be typically 4 ms after release of ON/OFF pin. SEP 14, 2005 revised to NOV 06, 2006 SQ48 DC-DC Series Data Sheet 36-75 VDC Input; 1.0-12 VDC Output V IN ON/OFF STATE OFF ON V OUT - t ...
Page 8
... Fig. 12V.2: Available load current vs. ambient air temperature and airflow rates for SQ48T04120 converter with D height pins mounted horizontally with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. Page Min Typ Max 1 ...
Page 9
... LFM (0.5 m/ LFM (0.15 m/ Ambient Temperature [°C] Fig. 12V.3: Available load current vs. ambient air temperature and airflow rates for SQ48S04120 converter mounted vertically with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. 0.95 0.90 0.85 0.80 0.75 0.70 0. ...
Page 10
... Load Current [Adc] Fig. 12V.7: Power dissipation vs. load current and input voltage for SQ48T/S04120 converter mounted vertically with air flowing from pin 3 to pin rate of 300 LFM (1.5 m/s) and °C. Fig. 12V.9: Turn-on transient at full rated load current (resistive) with no output capacitor at Vin = 48 V, triggered via ON/OFF pin ...
Page 11
... µF tantalum + 1 µF ceramic and Vin = 48 V. Time scale: 1 µs/div. SEP 14, 2005 revised to NOV 06, 2006 SQ48 DC-DC Series Data Sheet 36-75 VDC Input; 1.0-12 VDC Output Fig. 12V.12: Output voltage response to load current step-change (1 A – – Vin = 48 V. Top trace: output voltage (200 mV/div.). Bottom trace: load current (1 A/div.). Current slew rate: 5 A/µ ...
Page 12
... Fig. 12V.18: Load current (top trace, 5 A/div., 20 ms/div.) into a 10 mΩ short circuit during restart, at Vin = 48 V. Bottom trace (5 A/div., 1 ms/div current limit expansion of the on-time portion of the top trace. Page SQ48 DC-DC Series Data Sheet 12V.16: Input reflected ripple www.power-one.com i current, ...
Page 13
... Fig. 8.0V.2: Available load current vs. ambient air temperature and airflow rates for SQ48T05080 converter with D height pins mounted horizontally with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. Page Min Typ Max 1 ...
Page 14
... VDC Input; 1.0-12 VDC Output Fig. 8.0V.4: Available load current vs. ambient air temperature and airflow rates for SQ48S05080 converter mounted horizontally with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. 0.95 0.90 0.85 0.80 0. 0.70 0.65 ...
Page 15
... Load Current [Adc] Fig. 8.0V.7: Power dissipation vs. load current and input voltage for SQ48T/S05080 converter mounted vertically with air flowing from pin 3 to pin rate of 300 LFM (1.5 m/s) and °C. Fig. 8.0V.9: Turn-on transient at full rated load current (resistive) with no output capacitor at Vin = 48 V, triggered via ON/OFF pin ...
Page 16
... µF tantalum + 1 µF ceramic and Vin = 48 V. Time scale: 1 µs/div. SEP 14, 2005 revised to NOV 06, 2006 SQ48 DC-DC Series Data Sheet 36-75 VDC Input; 1.0-12 VDC Output Fig. 8.0V.12: Output voltage response to load current step-change (1.325 A – 2.65 A – 1.325 A) at Vin = 48 V. ...
Page 17
... Fig. 8.0V.18: Load current (top trace, 5 A/div., 20 ms/div.) into a 10 mΩ short circuit during restart, at Vin = 48 V. Bottom trace (5 A/div., 1 ms/div current limit expansion of the on-time portion of the top trace. Page SQ48 DC-DC Series Data Sheet 8.0V.16: Input reflected ripple www.power-one.com i current, ...
Page 18
... Fig. 6.0V.2: Available load current vs. ambient air temperature and airflow rates for SQ48T08060 converter with D height pins mounted horizontally with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. Page Min Typ Max 1 ...
Page 19
... LFM (0.5 m/ LFM (0.15 m/ Ambient Temperature [°C] Fig. 6.0V.3: Available load current vs. ambient air temperature and airflow rates for SQ48S08060 converter mounted vertically with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. 0.95 0.90 0.85 0.80 0.75 0.70 0. ...
Page 20
... Load Current [Adc] Fig. 6.0V.7: Power dissipation vs. load current and input voltage for SQ48T/S08060 converter mounted vertically with air flowing from pin 3 to pin rate of 300 LFM (1.5 m/s) and °C. Fig. 6.0V.9: Turn-on transient at full rated load current (resistive) with no output capacitor at Vin = 48 V, triggered via ON/OFF pin ...
Page 21
... µF tantalum + 1 µF ceramic and Vin = 48 V. Time scale: 1 µs/div. SEP 14, 2005 revised to NOV 06, 2006 SQ48 DC-DC Series Data Sheet 36-75 VDC Input; 1.0-12 VDC Output Fig. 6.0V.12: Output voltage response to load current step-change (2 A – – Vin = 48 V. Top trace: output voltage (100 mV/div.). Bottom trace: load current (2 A/div.). Current slew rate: 5 A/µ ...
Page 22
... Fig. 6.0V.18: Load current (top trace, 10 A/div., 20 ms/div.) into a 10 mΩ short circuit during restart, at Vin = 48 V. Bottom trace (10 A/div., 1 ms/div current limit expansion of the on-time portion of the top trace. Page SQ48 DC-DC Series Data Sheet 6.0V.16: Input reflected ripple www.power-one.com i current, ...
Page 23
... Fig. 5.0V.2: Available load current vs. ambient air temperature and airflow rates for SQ48T10050 converter with D height pins mounted horizontally with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. Page Min Typ Max 1 ...
Page 24
... LFM (0.5 m/ LFM (0.15 m/ Ambient Temperature [°C] Fig. 5.0V.3: Available load current vs. ambient air temperature and airflow rates for SQ48S10050 converter mounted vertically with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. 0.95 0.90 0.85 0.80 0.75 0.70 0. ...
Page 25
... Load Current [Adc] Fig. 5.0V.7: Power dissipation vs. load current and input voltage for SQ48T/S10050 converter mounted vertically with air flowing from pin 3 to pin rate of 300 LFM (1.5 m/s) and °C. Fig. 5.0V.9: Turn-on transient at full rated load current (resistive) with no output capacitor at Vin = 48 V, triggered via ON/OFF pin ...
Page 26
... µF tantalum + 1 µF ceramic and Vin = 48 V. Time scale: 1 µs/div. SEP 14, 2005 revised to NOV 06, 2006 SQ48 DC-DC Series Data Sheet 36-75 VDC Input; 1.0-12 VDC Output Fig. 5.0V.12: Output voltage response to load current step-change (2.5 A – – 2 Vin = 48 V. Top trace: output voltage (200 mV/div ...
Page 27
... Fig. 5.0V.18: Load current (top trace, 10 A/div., 20 ms/div.) into a 10 mΩ short circuit during restart, at Vin = 48 V. Bottom trace (10 A/div., 1 ms/div current limit expansion of the on-time portion of the top trace. Page SQ48 DC-DC Series Data Sheet 5.0V.16: Input reflected ripple www.power-one.com i current, ...
Page 28
... Fig. 3.3V.2: Available load current vs. ambient air temperature and airflow rates for SQ48T15033 converter with D height pins mounted horizontally with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. Page Min Typ Max 1 ...
Page 29
... VDC Input; 1.0-12 VDC Output Fig. 3.3V.4: Available load current vs. ambient air temperature and airflow rates for SQ48S15033 converter mounted horizontally with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. 0.95 0.90 0.85 0.80 0. ...
Page 30
... Load Current [Adc] Fig. 3.3V.7: Power dissipation vs. load current and input voltage for SQ48T/S15033 converter mounted vertically with air flowing from pin 3 to pin rate of 300 LFM (1.5 m/s) and °C. Fig. 3.3V.9: Turn-on transient at full rated load current (resistive) with no output capacitor at Vin = 48 V, triggered via ON/OFF pin ...
Page 31
... µF tantalum + 1 µF ceramic and Vin = 48 V. Time scale: 1 µs/div. SEP 14, 2005 revised to NOV 06, 2006 SQ48 DC-DC Series Data Sheet 36-75 VDC Input; 1.0-12 VDC Output Fig. 3.3V.12: Output voltage response to load current step-change (3.75 A – 7.5 A – 3. Vin = 48 V. ...
Page 32
... Fig. 3.3V.18: Load current (top trace, 20 A/div., 20 ms/div.) into a 10 mΩ short circuit during restart, at Vin = 48 V. Bottom trace (20 A/div., 1 ms/div current limit expansion of the on-time portion of the top trace. Page SQ48 DC-DC Series Data Sheet 3.3V.16: Input reflected ripple www.power-one.com current, i ...
Page 33
... Fig. 2.5V.2: Available load current vs. ambient air temperature and airflow rates for SQ48T15025 converter with D height pins mounted horizontally with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. Page Min Typ Max 1 ...
Page 34
... VDC Input; 1.0-12 VDC Output Fig. 2.5V.4: Available load current vs. ambient air temperature and airflow rates for SQ48S15025 converter mounted horizontally with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. 0.95 0.90 0.85 0.80 0. ...
Page 35
... Load Current [Adc] Fig. 2.5V.7: Power dissipation vs. load current and input voltage for SQ48T/S15025 converter mounted vertically with air flowing from pin 3 to pin rate of 300 LFM (1.5 m/s) and °C. Fig. 2.5V.9: Turn-on transient at full rated load current (resistive) with no output capacitor at Vin = 48 V, triggered via ON/OFF pin ...
Page 36
... µF tantalum + 1 µF ceramic and Vin = 48 V. Time scale: 1 µs/div. SEP 14, 2005 revised to NOV 06, 2006 SQ48 DC-DC Series Data Sheet 36-75 VDC Input; 1.0-12 VDC Output Fig. 2.5V.12: Output voltage response to load current step-change (3.75 A – 7.5 A – 3. Vin = 48 V. ...
Page 37
... Fig. 2.5V.18: Load current (top trace, 20 A/div., 20 ms/div.) into a 10 mΩ short circuit during restart, at Vin = 48 V. Bottom trace (20 A/div., 1 ms/div current limit expansion of the on-time portion of the top trace. Page SQ48 DC-DC Series Data Sheet 2.5V.16: Input reflected ripple www.power-one.com i current, ...
Page 38
... Fig. 2.0V.2: Available load current vs. ambient air temperature and airflow rates for SQ48T15020 converter with D height pins mounted horizontally with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. Page Min Typ Max 1 ...
Page 39
... VDC Input; 1.0-12 VDC Output Fig. 2.0V.4: Available load current vs. ambient air temperature and airflow rates for SQ48S15020 converter mounted horizontally with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. 0.95 0.90 0.85 0.80 0. ...
Page 40
... Load Current [Adc] Fig. 2.0V.7: Power dissipation vs. load current and input voltage for SQ48T/S15020 converter mounted vertically with air flowing from pin 3 to pin rate of 300 LFM (1.5 m/s) and °C. Fig. 2.0V.9: Turn-on transient at full rated load current (resistive) with no output capacitor at Vin = 48 V, triggered via ON/OFF pin ...
Page 41
... µF tantalum + 1 µF ceramic and Vin = 48 V. Time scale: 1 µs/div. SEP 14, 2005 revised to NOV 06, 2006 SQ48 DC-DC Series Data Sheet 36-75 VDC Input; 1.0-12 VDC Output Fig. 2.0V.12: Output voltage response to load current step-change (3.75 A – 7.5 A – 3. Vin = 48 V. ...
Page 42
... Fig. 2.0V.18: Load current (top trace, 20 A/div., 20 ms/div.) into a 10 mΩ short circuit during restart, at Vin = 48 V. Bottom trace (20 A/div., 1 ms/div current limit expansion of the on-time portion of the top trace. Page SQ48 DC-DC Series Data Sheet 2.0V.16: Input reflected ripple www.power-one.com current, i ...
Page 43
... Fig. 1.8V.2: Available load current vs. ambient air temperature and airflow rates for SQ48T15018 converter with D height pins mounted horizontally with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. Page Min Typ Max 0 ...
Page 44
... VDC Input; 1.0-12 VDC Output Fig. 1.8V.4: Available load current vs. ambient air temperature and airflow rates for SQ48S15018 converter mounted horizontally with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. 0.95 0.90 0.85 0.80 0. ...
Page 45
... Load Current [Adc] Fig. 1.8V.7: Power dissipation vs. load current and input voltage for SQ48T/S15018 converter mounted vertically with air flowing from pin 3 to pin rate of 300 LFM (1.5 m/s) and °C. Fig. 1.8V.9: Turn-on transient at full rated load current (resistive) with no output capacitor at Vin = 48 V, triggered via ON/OFF pin ...
Page 46
... µF tantalum + 1 µF ceramic and Vin = 48 V. Time scale: 1 µs/div. SEP 14, 2005 revised to NOV 06, 2006 SQ48 DC-DC Series Data Sheet 36-75 VDC Input; 1.0-12 VDC Output Fig. 1.8V.12: Output voltage response to load current step-change (3.75 A – 7.5 A – 3. Vin = 48 V. ...
Page 47
... Fig. 1.8V.18: Load current (top trace, 20 A/div., 20 ms/div.) into a 10 mΩ short circuit during restart, at Vin = 48 V. Bottom trace (20 A/div., 1 ms/div current limit expansion of the on-time portion of the top trace. Page SQ48 DC-DC Series Data Sheet 1.8V.16: Input reflected ripple www.power-one.com current, i ...
Page 48
... Fig. 1.5V.2: Available load current vs. ambient air temperature and airflow rates for SQ48T15015 converter with D height pins mounted horizontally with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. Page Min Typ Max 0 ...
Page 49
... VDC Input; 1.0-12 VDC Output Fig. 1.5V.4: Available load current vs. ambient air temperature and airflow rates for SQ48S15015 converter mounted horizontally with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. 0.95 0.90 0.85 0.80 0. ...
Page 50
... Load Current [Adc] Fig. 1.5V.7: Power dissipation vs. load current and input voltage for SQ48T/S15015 converter mounted vertically with air flowing from pin 3 to pin rate of 300 LFM (1.5 m/s) and °C. Fig. 1.5V.9: Turn-on transient at full rated load current (resistive) with no output capacitor at Vin = 48 V, triggered via ON/OFF pin ...
Page 51
... µF tantalum + 1 µF ceramic and Vin = 48 V. Time scale: 1 µs/div. SEP 14, 2005 revised to NOV 06, 2006 SQ48 DC-DC Series Data Sheet 36-75 VDC Input; 1.0-12 VDC Output Fig. 1.5V.12: Output voltage response to load current step-change (3.75 A – 7.5 A – 3. Vin = 48 V. ...
Page 52
... Fig. 1.5V.18: Load current (top trace, 20 A/div., 20 ms/div.) into a 10 mΩ short circuit during restart, at Vin = 48 V. Bottom trace (20 A/div., 1 ms/div current limit expansion of the on-time portion of the top trace. Page SQ48 DC-DC Series Data Sheet 1.5V.16: Input reflected ripple www.power-one.com i current, ...
Page 53
... Fig. 1.2V.2: Available load current vs. ambient air temperature and airflow rates for SQ48T15012 converter with D height pins mounted horizontally with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. Page Min Typ Max 0 ...
Page 54
... LFM (0.5 m/s) 30 LFM (0.15 m/ Ambient Temperature [°C] Fig. 1.2V.3: Available load current vs. ambient air temperature and airflow rates for SQ48S15012 converter mounted vertically with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. 0.90 0.85 0.80 0.75 0.70 0.65 0. ...
Page 55
... Load Current [Adc] Fig. 1.2V.7: Power dissipation vs. load current and input voltage for SQ48T/S15012 converter mounted vertically with air flowing from pin 3 to pin rate of 300 LFM (1.5 m/s) and °C. Fig. 1.2V.9: Turn-on transient at full rated load current (resistive) with no output capacitor at Vin = 48 V, triggered via ON/OFF pin ...
Page 56
... µF tantalum + 1 µF ceramic and Vin = 48 V. Time scale: 1 µs/div. SEP 14, 2005 revised to NOV 06, 2006 SQ48 DC-DC Series Data Sheet 36-75 VDC Input; 1.0-12 VDC Output Fig. 1.2V.12: Output voltage response to load current step-change (3.75 A – 7.5 A – 3. Vin = 48 V. ...
Page 57
... Fig. 1.2V.18: Load current (top trace, 20 A/div., 20 ms/div.) into a 10 mΩ short circuit during restart, at Vin = 48 V. Bottom trace (20 A/div., 1 ms/div current limit expansion of the on-time portion of the top trace. Page SQ48 DC-DC Series Data Sheet 1.2V.16: Input reflected ripple www.power-one.com current, i ...
Page 58
... Fig. 1.0V.2: Available load current vs. ambient air temperature and airflow rates for SQ48T15010 converter with D height pins mounted horizontally with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. Page Min Typ Max 0 ...
Page 59
... LFM (0.5 m/s) 30 LFM (0.15 m/ Ambient Temperature [°C] Fig. 1.0V.3: Available load current vs. ambient air temperature and airflow rates for SQ48S15010 converter mounted vertically with Vin = 48 V, air flowing from pin 3 to pin 1, and maximum FET temperature ≤ 120 °C. 0.90 0.85 0.80 0.75 0.70 0.65 0. ...
Page 60
... Load Current [Adc] Fig. 1.0V.7: Power dissipation vs. load current and input voltage for SQ48T/S15010 converter mounted vertically with air flowing from pin 3 to pin rate of 300 LFM (1.5 m/s) and °C. Fig. 1.0V.9: Turn-on transient at full rated load current (resistive) with no output capacitor at Vin = 48 V, triggered via ON/OFF pin ...
Page 61
... µF tantalum + 1 µF ceramic and Vin = 48 V. Time scale: 1 µs/div. SEP 14, 2005 revised to NOV 06, 2006 SQ48 DC-DC Series Data Sheet 36-75 VDC Input; 1.0-12 VDC Output Fig. 1.0V.12: Output voltage response to load current step-change (3.75 A – 7.5 A – 3. Vin = 48 V. ...
Page 62
... Fig. 1.0V.18: Load current (top trace, 20 A/div., 20 ms/div.) into a 10 mΩ short circuit during restart, at Vin = 48 V. Bottom trace (20 A/div., 1 ms/div current limit expansion of the on-time portion of the top trace. Page SQ48 DC-DC Series Data Sheet 1.0V.16: Input reflected ripple www.power-one.com current, i ...
Page 63
... Option +0.000 [+0.00] +0.016 [+0.41] -0.038 [- 0.97] -0.000 [- 0.00] A 0.303 [7.69] 0.030 [0.77] B 0.336 [8.53] 0.063 [1.60] C 0.500 [12.70] 0.227 [5.77] D 0.400 [10.16] 0.127 [3.23] E 0.282 [7.16] 0.009 [0.23] SEP 14, 2005 revised to NOV 06, 2006 SQ48 DC-DC Series Data Sheet 36-75 VDC Input; 1.0-12 VDC Output • • • 8 • 7 • Pad/Pin # • • • • ...
Page 64
... A (12.0 V) The example above describes P/N SQ48T15012-NBA0: 36-75 V input, through-hole mounting 1.2 V output, negative ON/OFF logic, a maximum height of 0.336”, a through the board pin length of 0.188”, standard trim equations, and Eutectic Tin/Lead solder. Please consult factory for the complete list of available options. ...