Datasheet > LR645N3-GP013

LR645N3-GP013

更新时间： 2024-10-29 21:05:43

品牌	Logo	应用领域
美国微芯 - MICROCHIP		输出元件调节器
页数	文件大小	规格书
16页	978K
描述
FIXED POSITIVE REGULATOR

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技术参数
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LR645N3-GP013 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	TO-92,	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.17	最大输入电压：	400 V
最小输入电压：	15 V	JESD-30 代码：	O-XBCY-T3
功能数量：	1	端子数量：	3
工作温度TJ-Max：	125 °C	工作温度TJ-Min：	-40 °C
最大输出电压 1：	11.5 V	最小输出电压 1：	9 V
标称输出电压 1：	10 V	封装主体材料：	UNSPECIFIED
封装代码：	TO-92	封装形状：	ROUND
封装形式：	CYLINDRICAL	调节器类型：	FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR
表面贴装：	NO	端子形式：	THROUGH-HOLE
端子位置：	BOTTOM	Base Number Matches：	1

LR645N3-GP013 数据手册

LR645

High-Input Voltage SMPS, Start-up/Linear Regulator

Features

Description

• Accepts inputs from 15 to 450V

LR645 is a high-input voltage, low-output current, linear

regulator that is available in two versions. A 3-terminal,

fixed-output voltage version is available in TO-92, TO-

220 and SOT-89 packages, as well as an adjustable

voltage version available in an 8-lead SOIC package.

• Output currents: up to 3.0mA continuous, 30mA

peak

• Supply current typically 50µA

• Line regulation typically 0.1mV/V

• Output can be trimmed from 8.0 to 12V

The 3-terminal version of LR645 functions like any

other low-voltage, 3-terminal regulator except it allows

the use of much higher-input voltages. When used in a

Switched-mode Power Supply (SMPS), start-up circuit,

LR645 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.

• Output current can be increased to 150mA with

external FET

Applications

• Off-line SMPS startup circuits (pulse loads)

• Low power off-line regulators

• Regulators for noisy inputs

The adjustable-voltage version allows trimming of the

output voltage from 8.0 to 12V. This version can also be

connected to an external depletion mode metal–oxide–

semiconductor field-effect transistor (MOSFET) for

increased output current. When used in conjunction

with depletion mode MOSFET DN2540N5, an output

current of up to 150mA is achieved.

WARNING

The LR645 does NOT provide galvanic isolation. When operated from an AC line, potentially lethal voltages can be

present on the IC. Adequate means of protecting the end user from such voltages must be provided by the circuit

developer.

 2015 Microchip Technology Inc.

DS20005384A-page 1

12 3 4 5 6 7...16

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与LR645N3-GP013相关器件

型号	品牌	获取价格	描述	数据表
LR645N3-G-P013	MICROCHIP	获取价格	暂无描述
LR645N4	SUPERTEX	获取价格	Adjustable Positive Standard Regulator, 8V Min, 12V Max, PDIP8, PLASTIC, DIP-8
LR645N5	SUPERTEX	获取价格	High Input Voltage SMPS Start-up / Linear Regulator
LR645N5-G	SUPERTEX	获取价格	High Input Voltage SMPS Start-up / Linear Regulator
LR645N8	SUPERTEX	获取价格	High Input Voltage SMPS Start-up / Linear Regulator
LR645N8-G	SUPERTEX	获取价格	High Input Voltage SMPS Start-up / Linear Regulator
LR645N8-G	MICROCHIP	获取价格	10V FIXED POSITIVE REGULATOR, PSSO3
LR645ND	SUPERTEX	获取价格	High Input Voltage SMPS Start-up / Linear Regulator
LR650Z	SEOUL	获取价格	GREEN OVAL LAMP LED
LR651	SEOUL	获取价格	INFRARED LAMP LED

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