FA7611M

更新时间： 2024-02-04 19:54:11

品牌	Logo	应用领域
富士电机 - FUJI		开关
页数	文件大小	规格书
6页	76K
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数据手册

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FA7611M 数据手册

Bipolar IC

For Switching Power Supply Control

F_FAA₇₆₁7_1C6_P(1_E)1CP(E)

■ Description

■ Dimensions, mm

The FA7611CP(E) is a bipolar IC containing basic circuit

necessary for PWM-type switching power supply control.

Á SSOP-16

■ Features

• Low-voltage operation (VCC = 3.6 to 22V)

• Predrivers: Totem-pole output or open-collector for CH1 and

open-collector output for CH2

• Latch-mode short-circuit protection function (no malfunction

due to electrical noise)

• soft-start function

• Undervoltage lock-out function

6.2

•

One capacitor shared for short circuit protection and for soft start

to minimize the number of external discrete components

0.6

■ Applications

0.3

0.65

• Battery power supply for portable equipment

Á DIP-16

19.4

1.5

0.81

7.6

0.5^±0.1

2.54^±0.25

■ Block diagram

Pin Pin

No. symbol

Description

Oscillator timing capacitor

Capacitor for soft-start, short-

circuit protection and delay

DT2

Dead time adjustment

IN2 (+)

Non-inverting input to error

amplifier

IN2 (–)

FB2

Inverting input to error amplifier

Error amplifier output

Ground

GND

OUT2

VCC

CH. 2 Output

Power supply

OUT1R

OUT1

FB1

CH. 1 Current limiting resistor

CH. 1 Output

Error amplifier output

Inverting input to error amplifier

IN1 (–)

IN1 (+)

Non-inverting input to error

amplifier

Reference voltage (0.5V)

DT1

REF

Dead time adjustment

Reference voltage output (2.5V)

12 3 4 5 6

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