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LT8302IS8E#PBF
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Analog Devices DC-DC Converters, SOIC-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLT8302IS8E#PBF
Analog Devices · DC-DC Converters · SOIC-8-EP
LT8302IS8E#PBF from Analog Devices, in a SOIC-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 | EN/UVLO | input | Pull below 0.3V to shut the part down, and use the accurate 1.214V threshold with a resistor divider from VIN for UVLO, with a 2.5µA hysteresis current; tie directly to VIN if unused. |
| 2 | INTVCC | power_out | Internal 3V linear regulator output supplied from VIN that must not be overdriven by an external supply and needs a minimum 1µF ceramic bypass to GND. |
| 3 | VIN | power_in | Input supply for the 3V to 42V range that powers the internal circuitry and sets the RFB reference, and it should be locally bypassed to ground. |
| 4 | GND | power_in | Ground pin that connects to the same ground as the exposed pad and should be tied to the ground plane. |
| 5 | SW | output | Drain of the internal 3.6A, 65V DMOS power switch, rated to 65V for transients, so trace area at this pin should be minimized to reduce EMI and voltage spikes. |
| 6 | RFB | input | Connects the external feedback resistor to the transformer primary, with absolute limits of VIN - 0.5V to VIN and 200µA current into the pin. |
| 7 | RREF | input | Ground-referred reference resistor pin, nominally 10k and allowed from 9.09k to 11.0k, with an absolute maximum of 4V. |
| 8 | TC | output | Proportional-to-absolute-temperature output at 3.35mV/°K, equal to 1V at 25°C, used to estimate junction temperature and to compensate the output diode via a resistor to RREF, with an absolute maximum of 4V. |
| 9 | GND | power_in | Exposed pad connected to ground that must be soldered directly to the PCB ground plane for electrical and thermal contact. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Package | SOIC-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 |
|---|---|---|---|---|---|---|---|
| VIN Voltage Range | VIN | 3 | 42 | V | l: full operating temperature range | 3 | |
| VIN Quiescent Current, Sleep Mode | IQ | 0.5 | 2 | µA | VEN/UVLO = 0.2V | 3 | |
| VIN Quiescent Current, Sleep Mode | IQ | 53 | 106 | µA | VEN/UVLO = 1.1V, Sleep Mode (Switch Off) | 3 | |
| VIN Quiescent Current, Active Mode | IQ | 380 | µA | VEN/UVLO = 1.1V, Active Mode (Switch On) | 3 | ||
| EN/UVLO Shutdown Threshold | 0.2 | 0.75 | V | For Lowest Off IQ | 3 | ||
| EN/UVLO Enable Threshold Falling | 1.178 | 1.214 | 1.25 | V | Falling (E, I, H, MP Grades) | 3 | |
| IHYS EN/UVLO Hysteresis Current | IHYS | -0.1 | 0 | 0.1 | µA | VEN/UVLO = 0.3V | 3 |
| IHYS EN/UVLO Hysteresis Current | IHYS | 2.3 | 2.5 | 2.7 | µA | VEN/UVLO = 1.1V | 3 |
| VINTVCC INTVCC Regulation Voltage | VINTVCC | 2.85 | 3 | 3.1 | V | IINTVCC = 0mA to 10mA | 3 |
| IINTVCC INTVCC Current Limit | IINTVCC | 10 | 13 | 20 | mA | VINTVCC = 2.8V | 3 |
| INTVCC UVLO Threshold Falling | 2.39 | 2.47 | 2.55 | V | 3 | ||
| (RFB, VIN) Voltage | -50 | 50 | mV | IRFB = 75µA to 125µA | 3 | ||
| RREF Regulation Voltage | 0.98 | 1 | 1.02 | V | l: full operating temperature range | 3 | |
| RREF Regulation Voltage Line Regulation | -0.01 | 0 | 0.01 | %/V | 3V ≤ VIN ≤ 42V | 3 | |
| TC Pin Current (LT8302) | ITC | 12 | 15 | 18 | µA | VTC = 1.2V (LT8302) | 3 |
| TC Pin Current | ITC | -200 | µA | VTC = 0.8V | 3 | ||
| Minimum Switching Frequency | fMIN | 11.3 | 12 | 12.7 | kHz | 3 | |
| Maximum Switch Current Limit | ISW(MAX) | 3.6 | 4.5 | 5.4 | A | 3 | |
| Minimum Switch Current Limit | ISW(MIN) | 0.7 | 0.87 | 1.04 | A | 3 | |
| Switch Leakage Current | ILKG | 0.1 | 0.5 | µA | VSW = 65V | 3 | |
| SW Pin Voltage (transient rating) | SW | 65 | V | Absolute maximum rating | 2 | ||
| VIN Absolute Maximum | VIN | 42 | V | Absolute maximum rating | 2 | ||
| Current Into RFB | 200 | µA | Absolute maximum rating | 2 | |||
| INTVCC, RREF, TC Voltage | 4 | V | Absolute maximum rating | 2 | |||
| Operating Junction Temperature Range (LT8302I) | TJ | -40 | 125 | °C | LT8302I | 2 | |
| Storage Temperature Range | TSTG | -65 | 150 | °C | 2 | ||
| INTVCC UVLO Hysteresis | 105 | mV | 3 | ||||
| VTC TC Pin Voltage | VTC | 1 | V | 3 | |||
| EN/UVLO Enable Hysteresis | 14 | mV | 3 | ||||
| Minimum Switch-On Time | tON(MIN) | 160 | ns | 3 | |||
| Maximum Switch-Off Time Backup Timer | tOFF(MAX) | 170 | µs | Backup Timer | 3 | ||
| Switch On-Resistance | RDS(ON) | 80 | mΩ | ISW = 1.5A | 3 | ||
| Soft-Start Timer | tSS | 11 | ms | 3 | |||
| Thermal Resistance Junction-to-Ambient (S8E package) | θJA | 33 | °C/W | 8-Lead Plastic SO (S8E) | 2 |
CAD (KiCad official)
- Symbol:
LT8302IS8E#PBF - Footprint:
Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm - 3D model: SOIC-8-EP (KiCad packages3D, STEP)
- 3D model files:
lt8302is8e-pbf-etched.step/lt8302is8e-pbf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lt8302is8e-pbf.step/lt8302is8e-pbf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Analog Devices datasheet (26 pp, sha256
08515683bcc0fb0a, retrieved 2026-11-02, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-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).