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NCP301HSN27T1G

Name: NCP301HSN27T1G
Rating: 4.7 (12 reviews)

VOLTAGE DETECTOR SERIES WITH OPE

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製造商。部分 #NCP301HSN27T1G
包 SOT23-5
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規格

Package	Bulk
ProductStatus	Active
Type	Simple Reset/Power-On Reset
NumberofVoltagesMonitored	1
Voltage-Threshold	2.7V
Output	Open Drain or Open Collector
Reset	Active High
OperatingTemperature	-40°C ~ 125°C (TA)
MountingType	Surface Mount
Package/Case	SOT-23-5 Thin, TSOT-23-5

概述

Description

NCP301HSN27T1G is ON Semiconductor’s NCP301 family: a compact high-side constant-current LED driver IC. It regulates LED string current from a low-voltage supply, with enable control and protections (short-circuit/OC, undervoltage lockout, thermal protection). It can use a fixed or externally set LED current (via a programming resistor) and typically supports dimming options. The device is packaged in an HSN27 package (RoHS-compliant) for compact applications. Common uses include LED indicators, backlighting, and portable/automotive lighting that require minimal external circuitry. For exact pinout, current-setting method, electrical specs, and protection details, refer to the datasheet.

Features

NCP301HSN27T1G is a fixed-threshold voltage supervisor/reset IC. Key features:
- Fixed reset threshold: 2.7 V
- Operating voltage range: roughly 2.7 V to 5.5 V
- Reset output: active-low (RESET#), asserted on undervoltage/power-up/down
- Very low quiescent current (low-power operation)
- Power-on-reset with guaranteed reset during supply ramp
- Wide temperature range (typical industrial range: -40 °C to +125 °C)
- Small package: compact SOT-23/SC-70 style (HSN)
- RoHS compliant
- Tape-and-reel packaging (T1G)
Note: Always check the exact datasheet for specific output type (pull-up/pull-down), delay characteristics, and package pinout for your exact application.

Package

Package type: SOT-23-5 (SC-70-5) surface-mount package, RoHS-compliant.

Pinout

- Pin count: 3 pins (SOT-23-3 package)
- Function: Voltage supervisor/reset IC. Monitors VDD with a fixed 2.7 V threshold and outputs RESET (active-low) to a microcontroller during power-up/power-down or brown-out, ensuring proper reset. Pins typically are VDD, GND, and RESET.

Manufacturer

- Manufacturer: ON Semiconductor (ON Semi)
- What kind of company: An American multinational semiconductor company that designs and manufactures discrete and integrated circuits, especially analog and power-management ICs, for automotive, industrial, and consumer markets.

Application

Voltage monitor and reset supervisor for low-voltage microcontrollers and digital ICs. Suitable for 2.7 V rails, it provides power-on reset and brown-out protection with glitch-free reset during power-up/down. Ideal for battery-powered/portable electronics (IoT sensors, wearables, handheld meters), embedded systems, and any application needing reliable MCU/reset control and memory protection.

Equivalent

Equivalent devices (2.7 V voltage detectors/reset ICs in similar packages) include:
- TI TLV803-2.7
- TI TPS3803-2.7
- Microchip MCP131-270
- Microchip MCP132-270
Note: verify pinout, package, and timing/current specs when substituting.