Datasheet > A8518-1

A8518-1

更新时间： 2022-02-26 11:34:59

品牌	Logo	应用领域
急速微 - ALLEGRO		/
页数	文件大小	规格书
30页	1458K
描述
Fully integrated 42 V MOSFET for boost converter

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数据手册

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A8518-1 数据手册

Wide Input Voltage Range, High-Efficiency,

Fault-Tolerant LED Driver

A8518 and A8518-1

2.15 MHZ Oscillator

Frequency

Dithering

Ramp

Error

Ampliﬁer

–

Driver

Circuit

Diode Open

Sense

–

COMP

Current

Sense

–

Internal Soft

Start Block

PGND

OCP2 TSD

V_REF

Regulator

UVLO Block

1.235 V

Reference

VIN

VOUT Hyst.

Control

VOUT

OVP

OVP2

AGND

Internal V_CC

VDD

OVP

Sense

Fault

Block

Input Current

Sense

Ampliﬁer

–

Open/Short

LED Detect

VSENSE

I_ADJ

LED1

AGND

LED

Driver

Block

Gate

Off

Vin

NMOS

Driver

LED2

GATE

APWM

Internal

V_CC

Enable

Block

ISET

Block

PWM

V_REF

PWM

Block

AGND

FAULT

AGND

PGND

AGND

Functional Block Diagram

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

1 2 345 6 7...30

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