LT1963EST LINEAR [Linear Integrated Systems], LT1963EST Datasheet
![no-image](/images/no-image-200.jpg)
LT1963EST
Available stocks
Related parts for LT1963EST
LT1963EST Summary of contents
Page 1
FEATURES Optimized for Fast Transient Response Output Current: 1.5A Dropout Voltage: 340mV Low Noise (10Hz to 100kHz) RMS 1mA Quiescent Current No Protection Diodes Needed Controlled Quiescent Current in Dropout Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3V Adjustable ...
Page 2
... SENSE FOR LT1963-1.8/LT1963-2.5/LT1963-3.3 = ADJ FOR LT1963 T = 150 C, JMAX ORDER PART NUMBER LT1963EST-1.5 LT1963EST-1.8 OUT 1 LT1963EST-2.5 SENSE/ADJ* 2 GND 3 LT1963EST-3 8-LEAD PLASTIC SO ST PART MARKING *PIN 2 = SENSE FOR LT1963-1.8/LT1963-2.5/LT1963-3.3 = ADJ FOR LT1963 T = 150 C, JMAX 196315 196318 196325 196333 ...
Page 3
ELECTRICAL CHARACTERISTICS The denotes specifications which apply over the full operating temperature range, otherwise specifications are T PARAMETER CONDITIONS LT1963-2.5 LT1963-3.3 ADJ Pin Voltage LT1963 (Notes 4, 5) Line Regulation LT1963-1.5 LT1963-1.8 LT1963-2.5 LT1963-3.3 LT1963 (Note 4) Load Regulation LT1963-1.5 ...
Page 4
LT1963 Series ELECTRICAL CHARACTERISTICS Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: Absolute maximum input to output differential voltage can not be achieved with all combinations of rated ...
Page 5
W U TYPICAL PERFOR A CE CHARACTERISTICS LT1963-3.3 Output Voltage 3. 1mA L 3.36 3.34 3.32 3.30 3.28 3.26 3.24 3.22 –50 – 100 125 TEMPERATURE ( C) 1963 G07 LT1963-2.5 Quiescent Current 14 ...
Page 6
LT1963 Series W U TYPICAL PERFOR A CE CHARACTERISTICS LT1963 GND Pin Current SHDN IN *FOR V = 1.21V 8 OUT R = 4.33 300mA ...
Page 7
W U TYPICAL PERFOR A CE CHARACTERISTICS SHDN Pin Input Current 20V SHDN –50 – 100 125 TEMPERATURE ( C) 1963 G25 Current Limit 4.0 V ...
Page 8
LT1963 Series W U TYPICAL PERFOR A CE CHARACTERISTICS LT1963 Minimum Input Voltage 3 500mA L 2 100mA L 1.5 1.0 0.5 0 –50 – 100 125 ...
Page 9
CTIO S OUT: Output. The output supplies power to the load. A minimum output capacitor required to prevent oscillations. Larger output capacitors will be required for applications with large transient loads ...
Page 10
LT1963 Series U U APPLICATIO S I FOR ATIO The LT1963 series are 1.5A low dropout regulators opti- mized for fast transient response. The devices are capable of supplying 1. dropout voltage of 350mV. The low operating quiescent ...
Page 11
U U APPLICATIO S I FOR ATIO 20 BOTH CAPACITORS ARE 16V, 1210 CASE SIZE X5R –20 –40 –60 Y5V –80 –100 BIAS VOLTAGE (V) Figure 3. Ceramic Capacitor ...
Page 12
LT1963 Series U U APPLICATIO S I FOR ATIO Thermal Considerations The power handling capability of the device is limited by the maximum rated junction temperature (125 C). The power dissipated by the device is made up of two components: ...
Page 13
U U APPLICATIO S I FOR ATIO The maximum junction temperature will then be equal to the maximum junction temperature rise above ambient plus the maximum ambient temperature or 39 89.5 C JMAX ...
Page 14
LT1963 Series U TYPICAL APPLICATIO S SCR Pre-Regulator Provides Efficiency Over Line Variations L2 10VAC AT 115V IN 90-140 VAC 10VAC AT 115V IN 1N4002 1N4002 “SYNC” 2.4k 1N4002 TO ALL “+V” + POINTS 22 F 750 PACKAGE DESCRIPTIO 0.060 ...
Page 15
PACKAGE DESCRIPTIO 0.010 – 0.020 45 (0.254 – 0.508) 0.008 – 0.010 (0.203 – 0.254) 0.016 – 0.050 (0.406 – 1.270) * DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE ** DIMENSION DOES ...
Page 16
LT1963 Series U TYPICAL APPLICATIO S Adjustable Current Source R5 0. > 2. LT1004-1 2.2k 2.2k 80. NOTE: ADJUST R1 FOR 3 ...