Datasheet > AAT2515

AAT2515

更新时间： 2024-09-17 04:03:15

品牌	Logo	应用领域
ANALOGICTECH		转换器
页数	文件大小	规格书
20页	616K
描述
Dual 600mA Fast Transient High Frequency Buck Converter

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AAT2515 数据手册

PRODUCT DATASHEET

AAT2515

SystemPower^TM

Dual 600mA FastTransient High Frequency Buck Converter

General Description

Features

The AAT2515 is a dual channel synchronous buck con-

verter operating with an input voltage range of 2.7V to

5.5V, making it ideal for applications with single-cell

lithium-ion/polymer batteries.

• V_INRange: 2.7V to 5.5V

• Output Current:

Channel 1: 600mA

Channel 2: 600mA

• 98% Efficient Step-Down Converter

• Integrated Power Switches

• 100% Duty Cycle

▪

Both regulators have independent input and enable pins.

Offered with fixed or adjustable output voltages, each

channel is designed to operate with 27μA (typical) of

quiescent current, allowing for high efficiency under light

load conditions.

• 1.4MHz Switching Frequency

• Internal Soft Start

• 150μs Typical Turn-On Time

• Over-Temperature Protection

• Current Limit Protection

• TDFN33-12 Package

The AAT2515 requires only three external components

(C_IN, C_OUT, and L_X) for each converter, minimizing cost and

real estate. Both channels are designed to deliver 600mA

of load current and operate with a switching frequency of

1.4MHz, reducing the size of external components.

• -40°C to +85°C Temperature Range

The AAT2515 is available in a Pb-free, 12-pin TDFN33

package and is rated over the -40°C to +85°C tempera-

ture range.

Applications

• Cellular Phones

• Digital Cameras

• Handheld Instruments

• Microprocessor / DSP Core / IO Power

• PDAs and Handheld Computers

Typical Application

V_OUT1

VIN1

LX1

4.7μH

VIN2

EN1

FB1

C_IN

10μF

V_BAT

V_OUT2

AAT2515

LX2

FB2

4.7μH

C_OUT

10μF

EN2

10μF

GND

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2515.2007.12.1.0

12 3 4 5 6 7...20

中文翻译

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