CAT3626HV4-T2 CATALYST SEMICONDUCTOR, CAT3626HV4-T2 Datasheet - Page 5

• Manufacturer Part Number: CAT3626HV4-T2
• Description: IC, LED DRIVER, CHARGE PUMP, TQFN-16
• Manufacturer: CATALYST SEMICONDUCTOR

Specifications of CAT3626HV4-T2

• Led Driver Application: LCD And Keypad Backlighting, Digital Cameras
• No. Of Outputs: 6
• Output Current: 32mA
• Output Voltage: 7V
• Input Voltage: 3V To 5.5V
• Topology: Charge Pump
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

100
0.8
0.6
0.4
0.2
90
80
70
60
50
40
(V
0
5
4
3
2
1
0
3.0
4.2
IN
3.0
1x Mode
20 mA per LED
= 3.6 V, I
Figure 5. Quiescent Current vs. Supply
Figure 7. Quiescent Current vs. Supply
Figure 3. Efficiency vs. Supply Voltage
3.2
4.0
3.2
OUT
= 90 mA (6 LEDs at 15 mA), EN = V
6 LEDs OFF
Voltage (1.5x Mode)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
3.4
Voltage (1x Mode)
3.4
6 LEDs OFF
3.8
(6 LEDs)
3.6
3.6
3.6
15 mA per LED
1.5x Mode
3.8
3.4
3.8
TYPICAL CHARACTERISTICS
4.0
3.2
4.0
http://onsemi.com
IN
, C
IN
4.2
4.2
3.0
= C
5
1
= C
2
100
0.8
0.6
0.4
0.2
90
80
70
60
50
40
= C
0
5
4
3
2
1
0
−40
−40
0
OUT
Figure 8. Quiescent Current vs. Temperature
Figure 4. Efficiency vs. Total LED Current
Figure 6. Quiescent Current vs. Temperature
= 1 mF, T
VIN = 3.2 V (1.5x mode)
VIN = 4 V (1x mode)
50
AMB
0
0
TOTAL LED CURRENT (mA)
6 LEDs OFF
TEMPERATURE (°C)
TEMPERATURE (°C)
= 25°C, unless otherwise specified.)
(1.5x Mode)
6 LEDs OFF
(6 LEDS)
(1x Mode)
100
40
40
150
80
80
200
120
120