Datasheet > FHR1200

FHR1200

更新时间： 2024-11-28 12:06:23

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		调节器
页数	文件大小	规格书
11页	369K
描述
Micro-Power, Ultra Wide Voltage Regulator

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中文翻译

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FHR1200 数据手册

July 2013

FHR1200

Micro-Power, Ultra Wide Voltage Regulator

Features

Description

• Low Operating Current: 12 μA Max.

• Option to Direct Drive Feedback Pin

on PWM Controllers

The FHR1200 is a high-efficiency regulator that outper-

forms the typical shunt regulator in the flyback power

supply by offering a maximum regulation voltage of 100

V, lower bias current, and better stability over the maxi-

mum industrial temperature range, resulting in efficiency

savings in Standby Mode.

• Programmable Output: 7.5 V to 100 V

• Wide Operating Temperature Range: -55°C to +150°C

• Output Voltage Accuracy: ±2%

In certain configurations, the efficiency savings FHR1200

can directly drive the PWM controller. This option elimi-

nates complexity and cost of an optocoupler and addi-

tional feedback pin drive circuitry. For compatible circuits,

the FHR1200 can regulate with as low as 20 μA of supply

current (bias and sink stages), driving greater than a 90%

power savings compared to a standard shunt regulator.

The FHR1200 is packaged in space-saving surface-

mount SC70-6 (SOT363) to minimize layout space and

cost.

• Excellent Output Voltage Compensation: -30 PPM/°C

• Sink Current Capability: 10 μA to 50 mA

• Small Package: SC70-6 (SOT363)

Applications

• Primary-Side Regulation in Flyback SMPS

• Secondary-Side Regulation in Flyback SMPS

• High Input Voltage SMPS

o Smart Meter

o Industrial Motor Control

o Wireless Infrastructure

• Industrial and Street Lighting LED Power Supplies

Typical Application

C A P A C ITO R S

and

B A LA N C E

V _{A C}

IN P U T

R E C TIFIE R S

V _{D C}

O U T

C 3

P W M

C O N TR O LLE R

TR A N S IS TO R

S W ITC H

FH R 1200

O P TO C O U P LE R

Figure1. Flyback Power Supply Secondary-Side Regulation

Ordering Information

Part Number

Top Mark

Package

SC70-6 (SOT363)

Packing Method

Tape and Reel

Remarks

3000 pcs, Reel Size is 7"

FHR1200

FHR1200 Rev. 1.0.0

www.fairchildsemi.com

12 3 4 5 6 7...11

中文翻译

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