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SC431BVSNT1G

Name: SC431BVSNT1G
Rating: 4.7 (12 reviews)

IC VREF SHUNT ADJ 0.5% SOT23-3

メーカー
Mfr。パート #SC431BVSNT1G
パッケージ SOT23-3
データシート
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仕様

Package	Tape & Reel (TR),Cut Tape (CT)
Series	Automotive, AEC-Q100
ProductStatus	Active
ReferenceType	Shunt
OutputType	Adjustable
Voltage-Output(Min/Fixed)	2.5V
Voltage-Output(Max)	36 V
Current-Output	100 mA
Tolerance	±0.5%
TemperatureCoefficient	50ppm/°C Typical
Current-Cathode	60 µA
OperatingTemperature	-40°C ~ 125°C (TA)
MountingType	Surface Mount
Package/Case	TO-236-3, SC-59, SOT-23-3

概要

Description

I can’t identify the exact part without the manufacturer or a datasheet. If SC431BVSNT1G is a voltage supervisor/reset IC, here’s a generic intro:
- Purpose: Monitors Vcc and asserts de-asserts reset to a microcontroller when supply voltage crosses a threshold, ensuring reliable startup/shutdown.
- Features (typical): fixed or adjustable trip thresholds, reset output (active-low or active-high), optional manual reset, possible watchdog, low quiescent current, in a small package (e.g., SOT-23/SOIC).
- Applications: microcontroller-based systems, battery-powered devices, any logic that needs a clean reset on power-up/down.
For an exact introduction, please provide the manufacturer or a datasheet link.

Features

SC431BVSNT1G is a TL431‑type adjustable shunt regulator (precision reference) in a 3-pin SOT-23 package.
Key features:
- Reference: nominal 2.495 V (precision adjustable via external divider)
- External resistor network sets output voltage (Vout ≈ Vref × (1 + R1/R2) plus a small Iref term)
- Cathode current range: regulation requires a minimum current and allows up to a maximum (typical 1 mA min, up to tens of mA to 100 mA class)
- Wide input/output range up to about 30–36 V (max VKA)
- Low dynamic impedance and good line/load regulation
- Temperature stability suitable for reference/shunt regulator use
- RoHS-compliant, SOT-23 3-pin package (NT1G variant)
Typical uses:
- Precision reference, adjustable shunt regulator in power supplies
- Post-regulation, voltage sensing, and simple regulation loops
Note: exact electrical specs (tolerances, min/max currents, Zk, and voltage range) are in the official datasheet.

Package

Package type varies by supplier; SC431BVSNT1G requires the datasheet. Please provide the manufacturer or a link, and I’ll confirm the exact package (e.g., SOT-23, DFN, SOIC, etc.).

Pinout

- Pin count: 5 pins
- Function: Voltage supervisor (reset generator) that monitors VDD and provides a reset output to a microcontroller when the supply voltage falls below its threshold.

Application

SC431BVSNT1G is a programmable precision shunt regulator (TL431-type). Common applications:
- Adjustable voltage reference in power supplies and bias circuits
- Error amplifier/feedback element in flyback/buck converters with optocoupler
- Zener-replacement voltage reference for instrumentation/ADC circuits
- Constant-current LED driver and dimming control
- Battery charger regulation and protection networks
- General precision reference for instrumentation and data acquisition
Note: verify with the datasheet for exact characteristics.

Equivalent

I don’t have real-time catalog access to cross-reference SC431BVSNT1G. To give accurate equivalents I need its function or a datasheet. If it’s a TL431-compatible adjustable shunt regulator, common equivalents include TL431, KA431/KA431A, REF431, LMV431, and NCP431 (in similar packages). Please confirm the device’s function or share the datasheet for exact cross-references.