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LT1965IMS8E-3.3#PBF

Analog Devices · Linear Voltage Regulators (LDO) · MSOP-8-EP

LT1965IMS8E-3.3#PBF from Analog Devices, in a MSOP-8-EP. 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 Output pin supplies power to the load and requires a minimum output capacitor of 10µF to prevent oscillations.
2 OUT power_out Output pin supplies power to the load and requires a minimum output capacitor of 10µF to prevent oscillations.
3 SENSE input For the fixed-voltage LT1965-3.3 this is the error amplifier input; connect to OUT for optimum regulation, with a SENSE pin bias current of 100µA at the nominal output voltage.
4 GND power_in Ground pin, to be tied to pin 5, pin 9 and the PCB ground.
5 GND power_in Ground pin, to be tied to pin 4, pin 9 and the PCB ground.
6 SHDN input Pulling SHDN low puts the device into a low power state and turns the output off, with SHDN pin current typically less than 5.5µA and no drive below GND unless tied to IN.
7 IN power_in Input pin supplies power to the device; a bypass capacitor of 1µF to 10µF suffices, and the pin withstands reverse voltages.
8 IN power_in Input pin supplies power to the device; a bypass capacitor of 1µF to 10µF suffices, and the pin withstands reverse voltages.
9 GND power_in Exposed pad is ground and must be tied directly to pins 4 and 5 and the PCB ground for enhanced thermal performance.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package MSOP-8-EP
Category Power Management ICs
Pins 9

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Regulated Output Voltage (VIN = 3.8V, ILOAD = 1mA) VOUT 3.25 3.3 3.35 V LT1965-3.3, VIN = 3.8V, ILOAD = 1mA 4
Regulated Output Voltage (4.3V < VIN < 20V, 1mA < ILOAD < 1.1A) VOUT 3.201 3.3 3.399 V LT1965-3.3, 4.3V < VIN < 20V, 1mA < ILOAD < 1.1A, full temperature range 4
Line Regulation 5.5 mV LT1965-3.3, ∆VIN = 3.8V to 20V, ILOAD = 1mA 4
Load Regulation 11.5 22 mV LT1965-3.3, VIN = 4.3V, ∆ILOAD = 1mA to 1.1A 4
Load Regulation (full temperature range) 44 mV LT1965-3.3, VIN = 4.3V, ∆ILOAD = 1mA to 1.1A, full temperature range 4
Dropout Voltage 0.055 0.08 V VIN = VOUT(NOMINAL), ILOAD = 1mA 4
Dropout Voltage (full temperature range) 0.14 V VIN = VOUT(NOMINAL), ILOAD = 1mA, full temperature range 4
Dropout Voltage 0.12 0.175 V VIN = VOUT(NOMINAL), ILOAD = 100mA 4
Dropout Voltage (full temperature range) 0.28 V VIN = VOUT(NOMINAL), ILOAD = 100mA, full temperature range 4
Dropout Voltage 0.21 0.25 V VIN = VOUT(NOMINAL), ILOAD = 500mA 4
Dropout Voltage (full temperature range) 0.36 V VIN = VOUT(NOMINAL), ILOAD = 500mA, full temperature range 4
Dropout Voltage 0.31 0.36 V VIN = VOUT(NOMINAL), ILOAD = 1.1A (TJ < 125°C) 4
Dropout Voltage (H-grade / full temperature range) 0.49 V VIN = VOUT(NOMINAL), ILOAD = 1.1A (TJ < 125°C) / 1A (H-Grade) 4
GND Pin Current IGND 0.5 1.1 mA VIN = VOUT(NOMINAL) + 1V, ILOAD = 0mA 4
GND Pin Current IGND 0.6 1.5 mA VIN = VOUT(NOMINAL) + 1V, ILOAD = 1mA 4
GND Pin Current IGND 2.2 5.5 mA VIN = VOUT(NOMINAL) + 1V, ILOAD = 100mA 4
GND Pin Current IGND 8.2 20 mA VIN = VOUT(NOMINAL) + 1V, ILOAD = 500mA 4
GND Pin Current IGND 21 40 mA VIN = VOUT(NOMINAL) + 1V, ILOAD = 1.1A (TJ < 125°C) 4
Output Voltage Noise 40 µVRMS COUT = 10µF, ILOAD = 1.1A, BW = 10Hz to 100kHz 4
SHDN Pin Current ISHDN 0.01 1 µA VSHDN = 0V 5
SHDN Pin Current ISHDN 5.5 10 µA VSHDN = 20V 5
Quiescent Current in Shutdown IQ 0.01 1 µA VIN = 6V, VSHDN = 0V 5
Ripple Rejection 57 75 dB VIN, VOUT = 1.5V (AVG), VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz, ILOAD = 0.75A 5
Current Limit 1.2 2.4 A VIN = 7V, VOUT = 0 5
Current Limit (H-grade / TJ > 125°C) 1.1 A VIN = VOUT(NOMINAL) + 1V, ∆VOUT = -0.1V (TJ < 125°C) 5
Input Reverse-Leakage Current 1 mA VIN = -20V, VOUT = 0 5
Reverse-Output Current 275 525 µA LT1965-3.3, VOUT = 3.3V, VIN = 0 5
IN Pin Voltage VIN -22 22 V 2
OUT Pin Voltage VOUT -22 22 V 2
Input to Output Differential Voltage -22 22 V Note 2 2
SENSE Pin Voltage -22 22 V 2
SHDN Pin Voltage VSHDN -22 22 V 2
Operating Junction Temperature Range (E-, I-Grades) TJ -40 125 °C I-grade 2
Storage Temperature Range TSTG -65 150 °C 2
Maximum Junction Temperature (MSOP) TJMAX 125 °C MSOP package, E- and I-grades 2
Thermal Resistance Junction-to-Ambient (MSOP) θJA 60 °C/W MSOP package, EXPOSED PAD soldered to PCB 2
Thermal Resistance Junction-to-Case (MSOP) θJC 10 °C/W MSOP package 2
Measured Thermal Resistance Junction-to-Ambient (MSOP, board copper area dependent) θJA 55 68 °C/W MSOP, 2-layer FR-4 board, 2500mm2 to 50mm2 topside copper 15

CAD (KiCad official)

  • Symbol: LT1965IMS8E-3.3#PBF
  • Footprint: Package_SO:MSOP-8-1EP_3x3mm_P0.65mm_EP1.5x1.8mm
  • 3D model: MSOP-8-EP (KiCad packages3D, STEP)
  • 3D model files: lt1965ims8e-3-3-pbf-etched.step / lt1965ims8e-3-3-pbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lt1965ims8e-3-3-pbf.step / lt1965ims8e-3-3-pbf.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices datasheet (22 pp, sha256 070eb5a9c32d091a, retrieved 2026-11-02, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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