Datasheet > H78M12BT

H78M12BT

更新时间： 2024-09-23 22:48:43

品牌	Logo	应用领域
HSMC		稳压器
页数	文件大小	规格书
3页	39K
描述
3-TERMINAL POSITIVE VOLTAGE REGULATOR

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技术参数
数据手册

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H78M12BT 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.84
Base Number Matches：	1

H78M12BT 数据手册

Spec. No. : Preliminary Data

Issued Date : 2001.01.01

Revised Date : 2001.05.21

Page No. : 1/3

HI-SINCERITY

MICROELECTRONICS CORP.

H78M12AT

H78M12BT

3-TERMINAL POSITIVE VOLTAGE REGULATOR

Description

The H78M12_T series of three-terminal positive regulators are available in

the TO-126 package. This regulator can provide local on-card regulation,

eliminating the distribution problems associated with single point regulation. Each device employs internal

current limiting, thermal shut-down and safe operating area protection, making it essentially indestructible.

If adequate heat sinking is provided, they can deliver over 0.5A output current. Although designed primarily

as fixed voltage regulators, this device can be used with external components to obtain adjustable

voltages and currents.

Description

• Output current up to 500mA is available.

• Eliminates external compensating circuit.

• Built-in current limiter prevents elements from destruction when load is short circuit.

• Built-in chip junction temperature limiting circuit protects elements against thermal destruction.

• Built-in internal power dissipation limiting circuit protects transistors at output driver.

(Ta=25°C)

Absolute Maximum Ratings

• Input Voltage................................................................................................................................... 35 V

• Total Power Dissipation (Tc=25°C) ................................................................................ Internally limited

• Operating Junction Temperature ...................................................................................... 0 °C to 125 °C

• Output Current (Tc=25°C) .............................................................................................................. 0.5 A

• Lead Temperature (Soldering 10S) .............................................................................................. 230 °C

Typical Application

Block Diagram

Series pass

Element

Vin

Vout

Output

Input

H78M12_T

Current

SOA

Protection

Generator

Reference

Voltage

Error

Amplifier

Starting

Circuit

Thermal

Protection

Note :

GND

C1 and C2 are required if regulator is

located far from power supply filter

and load, or oscillation may induced

on the loop.

H78M12AT, H78M12BT

HSMC Product Specification

12 3

中文翻译

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