Datasheet > FA7622CE

FA7622CE

更新时间： 2024-09-24 23:51:35

品牌	Logo	应用领域
其他 - ETC		模拟IC 开关光电二极管
页数	文件大小	规格书
8页	73K
描述
Analog IC

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中文翻译

获取价格

数据手册

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FA7622CE 数据手册

Bipolar IC

For Switching Power Supply Control

F_FAA₇₆₂7_2C6_P(2_E)2CP(E)

■ Description

■ Dimensions, mm

The FA7622CP(E) is a DC-DC converter IC that can directly

drive a power MOSFET. This IC has all the necessary

protection functions for a power MOSFET. It is optimum for a

portable equipment power supply which uses low-voltage input

to output comparably large power.

Á SSOP-20

■ Features

• Drive circuit for connecting a power MOSFET

(Io = ±600mA)

• Built-in voltage step-up circuit to drive a power MOSFET

gate: A converter circuit requires only an N-channel power

MOSFET.

7.2

• Dual control circuit

• Overcurrent limiting circuit

• Overload cutoff circuit with timer and latch circuit

• ON/OFF control pin

0.6

0.3

0.65

• Wide operating range: 3.6 to 28V

• High-frequency operation: up to 1MHz

• 20-pin package (DIP/SSOP)

Á DIP-20

■ Applications

• Battery power supply for portable equipment

1.52

24.4

0.77

7.62

2.54^±0.25

0.46^±0.1

0~15˚

■ Block diagram

Pin Pin

No. symbol

Description

DT1 CT RT VCC1

REF

Oscillator timing capacitor

Oscillator timing resistor

Timer and latch circuit

OSC

BIAS

VCC2

ON/OFF

UVLO

IN2+

Non-inverting input to error

amplifier

IN2-

Inverting input to error amplifier

Error amplifier output

Dead time adjustment

Overcurrent limiting circuit 2

Ground

Duty

limit

FB2

FB1 17

OCP

OCL1

OUT1

DT2

OCL2

GND

OUT2

OUT1

VCC2

IN1+

PWM1

ER, AMP1

CH.2 output

Timer

CH.1 output

latch

Power supply 2

ER, AMP2

IN2+

OUT2

OCL2

Switch for boost circuit

Power supply 1

VCC1

OCL1

DT1

PWM2

IN2-

FB2

Duty

limit

Overcurrent limiting circuit 1

Dead time adjustment

Error amplifier output

OCP

FB1

DT2

GND

IN1+

Non-inverting input to error

amplifier

ON/OFF Output ON/OFF control

REF Reference voltage output

12 3 4 5 6 7 8

中文翻译

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