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LT3088EST#PBF
Public Made by Adomby adom
Analog Devices Linear Voltage Regulators (LDO), SOT-223-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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LT3088EST#PBF
Analog Devices · Linear Voltage Regulators (LDO) · SOT-223-4
LT3088EST#PBF from Analog Devices, in a SOT-223-4. 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 | SET | passive | Error amplifier noninverting input that sets the bias point, with a fixed 50µA current source flowing out of the pin so a single external resistor programs VOUT (0V to 34.5V). |
| 2 | OUT | power_out | Power output of the device, which requires a 2mA minimum load current for proper output regulation. |
| 3 | IN | power_in | Input supply for the internal circuitry and output load current, which must be between the dropout voltage and 36V above the OUT pin. |
| 4 | TAB | power_out | Tab is tied internally to OUT and should be connected directly to OUT at the PCB, where the connected copper area sets the effective thermal resistance. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Package | SOT-223-4 |
| Category | Power Management ICs |
| Pins | 4 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| SET Pin Current | ISET | 49.5 | 50 | 50.5 | µA | VIN = 2V, ILOAD = 2mA | 3 |
| SET Pin Current | ISET | 49 | 50 | 51 | µA | 2V ≤ VIN ≤ 36V, 2mA ≤ ILOAD ≤ 800mA, over full temperature range | 3 |
| Offset Voltage (VOUT, VSET) | VOS | -1.5 | 0 | 1.5 | mV | VIN = 2V, ILOAD = 2mA | 3 |
| Offset Voltage (VOUT, VSET) | VOS | -3.5 | 0 | 3.5 | mV | VIN = 2V, ILOAD = 2mA, over full temperature range | 3 |
| VOS Load Regulation, M, ST Packages | -1.5 | -4 | mV | ΔILOAD = 2mA to 800mA (Note 7), over full temperature range | 3 | ||
| Minimum Load Current | 0.4 | 2 | mA | 2V ≤ VIN ≤ 36V, over full temperature range (Note 3) | 3 | ||
| Dropout Voltage | 1.35 | 1.6 | V | ILOAD = 800mA, over full temperature range (Note 4) | 3 | ||
| Current Limit | 0.8 | 1.2 | A | VIN = 5V, VSET = 0V, VOUT = -0.1V, over full temperature range | 3 | ||
| ISET Load Regulation | -0.1 | nA | ΔILOAD = 2mA to 800mA | 3 | |||
| Line Regulation ΔISET | 1.5 | nA/V | ΔVIN = 2V to 36V, ILOAD = 2mA | 3 | |||
| Line Regulation ΔVOS | 0.001 | mV/V | ΔVIN = 2V to 36V, ILOAD = 2mA | 3 | |||
| Dropout Voltage | 1.21 | V | ILOAD = 100mA | 3 | |||
| Reference Current RMS Output Noise | 5.7 | nARMS | 10Hz ≤ f ≤ 100kHz | 3 | |||
| Error Amplifier RMS Output Noise | 27 | µVRMS | ILOAD = 800mA, 10Hz ≤ f ≤ 100kHz, COUT = 0µF, CSET = 0.1µF | 3 | |||
| Ripple Rejection | 75 | 90 | dB | VRIPPLE = 0.5VP-P, ILOAD = 0.1A, CSET = 0.1µF, COUT = 10µF, VIN = VOUT(NOMINAL) + 3V, f = 120Hz | 3 | ||
| Ripple Rejection | 75 | dB | f = 10kHz, same conditions | 3 | |||
| Ripple Rejection | 20 | dB | f = 1MHz, same conditions | 3 | |||
| Thermal Regulation, ISET | 0.003 | %/W | 10ms Pulse | 3 | |||
| IN Pin to OUT Pin Differential Voltage | -40 | 40 | V | 2 | |||
| SET Pin Current | -25 | 25 | mA | Note 6 | 2 | ||
| SET Pin Voltage (Relative to OUT) | -10 | 10 | V | Note 6 | 2 | ||
| Operating Junction Temperature Range, E-Grade | TJ | -40 | 125 | °C | Note 2 | 2 | |
| Storage Temperature Range | -65 | 150 | °C | 2 | |||
| Maximum Junction Temperature, ST package | TJMAX | 150 | °C | ST package | 2 | ||
| Thermal Resistance Junction-to-Ambient | θJA | 25 | °C/W | ST package | 2 | ||
| Thermal Resistance Junction-to-Case | θJC | 15 | °C/W | ST package | 2 |
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 3. DD Package, 8-Lead DFN COPPER AREA | 17 |
CAD (KiCad official)
- Symbol:
LT3088EST#PBF - Footprint:
Package_TO_SOT_SMD:SOT-223 - 3D model: SOT-223-4 (KiCad packages3D, STEP)
- 3D model files:
lt3088est-pbf-etched.step/lt3088est-pbf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lt3088est-pbf.step/lt3088est-pbf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Analog Devices datasheet (26 pp, sha256
c59f4bf7fc4734ad, retrieved 2026-10-30, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-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).