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ADP3415

更新时间： 2024-11-05 11:49:07

品牌	Logo	应用领域
安森美 - ONSEMI		驱动器
页数	文件大小	规格书
10页	389K
描述
Dual MOSFET Driver with Bootstrapping

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中文翻译

获取价格

数据手册

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ADP3415 数据手册

Dual MOSFET Driver

with Bootstrapping

ADP3415

FEATURES

FUNCTIONAL BLOCK DIAGRAM

All-in-One Synchronous Buck Driver

One PWM Signal Generates Both Drives

Anticross Conduction Protection Circuitry

Programmable Transition Delay

Zero-Crossing Synchronous Drive Control

Synchronous Override Control

Undervoltage Lockout

ADP3415

VCC

UVLO

BST

DRVH

OVERLAP

PROTECTION

CIRCUIT

DLY

Shutdown Quiescent Current <100 ␮A

VCC

APPLICATIONS

Mobile Computing CPU Core Power Converters

Multiphase Desktop CPU Supplies

DRVL

DRVLSD

Single-Supply Synchronous Buck Converters

Standard-to-Synchronous Converter Adaptations

GND

GENERAL DESCRIPTION

The ADP3415 is a dual MOSFET driver optimized for driving

two N-channel FETs that are the two switches in the nonisolated

synchronous buck power converter topology. Each driver size is

optimized for performance in notebook PC regulators for CPUs

in the 20 A range. The high-side driver can be bootstrapped atop

the switched node of the buck converter as needed to drive the

upper switch and is designed to accommodate the high voltage

slew rate associated with high performance, high frequency

switching. The ADP3415 features an overlapping protection

circuit (OPC); undervoltage lockout (UVLO) that holds the

switches off until the driver is assured of having sufficient voltage

for proper operation; a programmable transition delay; and a

synchronous drive disable pin. The quiescent current, when the

device is disabled, is less than 100 µA.

DCIN

VCC

FROM DUTY RATIO

MODULATOR

BST

FROM SYSTEM

DRVH

ENABLE CONTROL

OUT

ADP3415

FROM SYSTEM

STATE LOGIC

DRVLSD

DLY

DRVL

GND

Figure 1. Typical Application Circuit

The ADP3415 is specified over the extended commercial

temperature range of 0°C to 100°C and is available in a 10-lead

MSOP package.

May 2010 - Rev. 6

Publication Order Number:

ADP3415/D

12 3 4 5 6 7...10

中文翻译

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