Microchip LR645LG-G, Voltage Regulator 0.31 W 450V SOIC 8-Pin

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  • 2026년 2월 27일 부터 배송
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RS 제품 번호:
598-937
제조사 부품 번호:
LR645LG-G
제조업체:
Microchip
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모두 선택

브랜드

Microchip

Product Type

Voltage Regulator

Package Type

SOIC

Mount Type

Board

Quiescent Current

50μA

Pin Count

8

Power Rating

0.31W

Standards/Approvals

RoHS

Height

1.75mm

Width

6 mm

Length

4.9mm

Series

LR645

Maximum Input Voltage

450V

Minimum Input Voltage

15V

Maximum Operating Temperature

150°C

Automotive Standard

No

COO (Country of Origin):
TH
The Microchip LDO Regulator is a high input voltage, low output current linear regulator. The 3-terminal version functions like any other low voltage 3-terminal regulator except it allows the use of much higher input voltages. When used in a SMPS start-up circuit, it eliminates the need for large power resistors. In this application, current is drawn from the high voltage line only during start-up. Only leakage current flows after start-up, thereby reducing the continuous power dissipation to a few milliwatts.

Accepts inputs from 15 to 450V

Output currents up to 3.0mA continuous and 30mA peak

Supply current typically 50μA

Output can be trimmed from 8.0 to 12V

Output current can be increased to 150mA with external FET

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