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LT1963ES8#TRPBF

Analog Devices · Linear Voltage Regulators (LDO) · SO-8

LT1963ES8#TRPBF from Analog Devices, in a SO-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 OUT power_out Regulated output pin, rated ±20V maximum, supplying up to 1.5A and stable with output capacitors as low as 10µF.
2 SENSE/ADJ input SENSE input for the fixed-voltage LT1963-1.5/-1.8/-2.5/-3.3 parts (±20V max) or ADJ feedback input for the adjustable LT1963 with a 1.21V reference (±7V max).
3 GND power_in Ground pin.
4 NC unconnected No connection.
5 SHDN input Shutdown input, rated ±20V maximum, that reduces quiescent current to <1µA when pulled low.
6 GND power_in Ground pin.
7 GND power_in Ground pin.
8 IN power_in Unregulated supply input, rated ±20V maximum, with reverse battery protection.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package SO-8
Category Power Management ICs
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
ADJ Pin Voltage VADJ 1.192 1.21 1.228 V VIN = 2.21V, ILOAD = 1mA, TA = 25°C 3
ADJ Pin Voltage (full temp) VADJ 1.174 1.21 1.246 V 2.5V < VIN < 20V, 1mA < ILOAD < 1.5A, over temperature 3
Minimum Input Voltage VIN 2.1 2.5 V ILOAD = 1.5A, over temperature 3
Line Regulation 1.5 10 mV ΔVIN = 2.21V to 20V, ILOAD = 1mA, over temperature 3
Load Regulation 2 8 mV VIN = 2.5V, ΔILOAD = 1mA to 1.5A 3
Load Regulation (full temp) 15 mV VIN = 2.5V, ΔILOAD = 1mA to 1.5A, over temperature 3
Dropout Voltage 0.02 0.06 V ILOAD = 1mA 3
Dropout Voltage (full temp) 0.1 V ILOAD = 1mA, over temperature 3
Dropout Voltage 0.1 0.17 V ILOAD = 100mA 3
Dropout Voltage (full temp) 0.22 V ILOAD = 100mA, over temperature 3
Dropout Voltage 0.19 0.27 V ILOAD = 500mA 3
Dropout Voltage (full temp) 0.35 V ILOAD = 500mA, over temperature 3
Dropout Voltage 0.34 0.45 V ILOAD = 1.5A 3
Dropout Voltage (full temp) 0.55 V ILOAD = 1.5A, over temperature 3
GND Pin Current IGND 1 1.5 mA ILOAD = 0mA, VIN = VOUT(NOMINAL) + 1V, over temperature 3
GND Pin Current IGND 1.1 1.6 mA ILOAD = 1mA, over temperature 3
GND Pin Current IGND 3.8 5.5 mA ILOAD = 100mA, over temperature 3
GND Pin Current IGND 15 25 mA ILOAD = 500mA, over temperature 3
GND Pin Current IGND 80 120 mA ILOAD = 1.5A, over temperature 3
ADJ Pin Bias Current 3 10 µA ADJ pin connected to OUT pin 3
Shutdown Threshold (Off to On) 0.9 2 V VOUT = Off to On, over temperature 3
Shutdown Threshold (On to Off) 0.25 0.75 V VOUT = On to Off, over temperature 3
SHDN Pin Current 0.01 1 µA VSHDN = 0V 3
SHDN Pin Current 3 30 µA VSHDN = 20V 3
Quiescent Current in Shutdown 0.01 1 µA VIN = 6V, VSHDN = 0V 3
Ripple Rejection 55 63 dB VIN, VOUT = 1.5V (Avg), VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz, ILOAD = 0.75A 3
Current Limit (full temp) 1.6 A VIN = VOUT(NOMINAL) + 1V, ΔVOUT = -0.1V, over temperature 4
Input Reverse Leakage Current 1 mA S8 package, VIN = -20V, VOUT = 0V, over temperature 4
Reverse Output Current 300 600 µA VOUT = 1.21V, VIN < 1.21V 4
Minimum Input Voltage VIN 1.9 V ILOAD = 0.5A 3
Output Voltage Noise 40 µVRMS COUT = 10µF, ILOAD = 1.5A, BW = 10Hz to 100kHz 3
Current Limit 2 A VIN = 7V, VOUT = 0V 4
IN Pin Voltage -20 20 V 2
OUT Pin Voltage -20 20 V 2
Input to Output Differential Voltage -20 20 V 2
SENSE Pin Voltage -20 20 V 2
ADJ Pin Voltage -7 7 V 2
SHDN Pin Voltage -20 20 V 2
Operating Junction Temperature Range TJ -40 125 °C 2
Storage Temperature Range -65 150 °C 2
Lead Temperature (Soldering, 10 sec) 300 °C 2
Maximum Junction Temperature TJMAX 150 °C S8 package 2
Thermal Resistance Junction-to-Ambient θJA 70 °C/W S8 package (package drawing) 2
Thermal Resistance Junction-to-Ambient θJA 55 °C/W SO-8, 2500mm2 topside copper, 2500mm2 backside, 2500mm2 board 13
Thermal Resistance Junction-to-Ambient θJA 69 °C/W SO-8, 100mm2 topside copper, 2500mm2 backside, 2500mm2 board 13

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts COPPER Table 2. SO-8 Package, 8-Lead SO COPPER AREA THERMAL RESISTANCE 13

CAD (KiCad official)

  • Symbol: LT1963ES8#TRPBF
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SO-8 (KiCad packages3D, STEP)
  • 3D model files: lt1963es8-trpbf-etched.step / lt1963es8-trpbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lt1963es8-trpbf.step / lt1963es8-trpbf.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Analog Devices datasheet (20 pp, sha256 b9199ae041c8326b, retrieved 2026-10-30, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF