component
SY8077AAC
Public Made by Adomby adom
Silergy Corp DC-DC Converters, SOT-23-5. 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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Contents
README
markdownSY8077AAC
Silergy Corp · DC-DC Converters · SOT-23-5
SY8077AAC from Silergy Corp, in a SOT-23-5. 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 | input | Enable control: pull high to turn the regulator on; do not float this pin. |
| 2 | GND | power_in | Ground pin. |
| 3 | LX | output | Inductor pin: connect to the switching node of the inductor; keep the PCB copper area associated with this pin minimal to avoid noise. |
| 4 | IN | power_in | Input pin: decouple to the GND pin with at least 10uF ceramic capacitor, placed close to the IN and GND pins. |
| 5 | FB | input | Output feedback pin: connect to the center point of the output resistor divider to set VOUT = 0.6 x (1 + R1/R2); optional C1 (10pF to 47pF) can be added to speed up transient response. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Silergy Corp |
| Package | SOT-23-5 |
| Category | Power Management (PMIC) |
| Pins | 5 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input Voltage Range | VIN | 2.5 | 6.5 | V | 3 | ||
| Feedback Reference Voltage | VREF | 0.588 | 0.6 | 0.612 | V | 3 | |
| Shutdown Current | ISHDN | 0.1 | 1 | µA | EN=0 | 3 | |
| Supply Input Voltage | 2.5 | 6.5 | V | 2 | |||
| Junction Temperature Range | -40 | 125 | °C | 2 | |||
| Ambient Temperature Range | -40 | 85 | °C | 2 | |||
| Supply Input Voltage | 7 | V | 2 | ||||
| Power Dissipation | PD | 0.6 | W | TA = 25°C, SOT23-5 | 2 | ||
| Junction Temperature Range | 125 | °C | 2 | ||||
| Lead Temperature (Soldering, 10 sec.) | 260 | °C | 2 | ||||
| Storage Temperature Range | -65 | 150 | °C | 2 | |||
| Package Thermal Resistance, junction-to-ambient | θJA | 170 | °C/W | Note 2: natural convection, TA = 25°C, JEDEC 51-3 board | 2 | ||
| Package Thermal Resistance, junction-to-case | θJC | 130 | °C/W | Note 2 | 2 | ||
| Quiescent Current | IQ | 40 | µA | IOUT=0, VFB=VREF ⋅ 105% | 3 | ||
| PFET RON | RDS(ON),P | 260 | mΩ | 3 | |||
| NFET RON | RDS(ON),N | 170 | mΩ | 3 | |||
| PFET Current Limit | ILIM | 1.3 | A | 3 | |||
| EN rising threshold | VENH | 1.5 | V | 3 | |||
| EN falling threshold | VENL | 0.4 | V | 3 | |||
| Input UVLO threshold | VUVLO | 2.5 | V | 3 | |||
| UVLO hysteresis | VHYS | 0.1 | V | 3 | |||
| Oscillator Frequency | FOSC | 1.5 | MHz | 3 | |||
| Min ON Time | 80 | ns | 3 | ||||
| Max Duty Cycle | 100 | % | 3 | ||||
| Soft Start Time | TSS | 1 | ms | 3 | |||
| Thermal Shutdown Temperature | TSD | 150 | °C | 3 | |||
| Thermal Shutdown Hysteresis | THYS | 15 | °C | 3 |
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 | 3) The PCB copper area associated with LX pin must | 6 |
CAD (KiCad official)
- Symbol:
SY8077AAC - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-23-5 (KiCad packages3D, STEP)
- 3D model files:
sy8077aac-etched.step/sy8077aac-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sy8077aac.step/sy8077aac.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Silergy Corp datasheet (9 pp, sha256
904dd0e4a9508bf2, retrieved 2026-10-18, tier: lcsc) - 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).