Datasheet > AAT1210

AAT1210

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
ANALOGICTECH		转换器升压转换器
页数	文件大小	规格书
23页	712K
描述
High Power DC/DC Boost Converter with Optional Dynamic Voltage Programming

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AAT1210 数据手册

AAT1210

High Power DC/DC Boost Converter

with Optional Dynamic Voltage Programming

™

SwitchReg

General Description

Features

The AAT1210 is a high power DC/DC boost (step-up)

converter with an input voltage range from 2.7 to

5.5V. The output voltage can be set from V_IN+ 0.5V

to 18V. The total solution is less than 1mm in height.

High operating efficiency makes the AAT1210 the

ideal solution for battery powered and consumer

applications.

•

V_INRange: 2.7V to 5.5V

Maximum Continuous Output

— 900mA at 5V

— 300mA at 12V

— 150mA at 18V

•

Up to 2MHz Switching Frequency

Ultra-Small Inductor and Capacitors

— 1mm Height Inductor

— Small Ceramic Capacitors

Hysteretic Current Mode Control

— No External Compensation

— Excellent Transient Response

— High Efficiency at Light Load

Up to 90% Efficiency

Integrated Low R_DS(ON)MOSFET Switches

Low Inrush with Integrated Soft Start

Cycle-by-Cycle Current Limit

Short-Circuit and Over-Temperature Protection

True Load Disconnect

The step-up converter operates at frequencies up to

2MHz, enabling ultra-small external filtering compo-

nents. Hysteretic current mode control provides

excellent transient response with no external com-

pensation, achieving stability across a wide operating

range with minimal design effort.

•

The AAT1210 true load disconnect feature extends

battery life by isolating the load from the power

source when the EN/SET pin is pulled low, ensuring

zero volts output during the disable state. This fea-

ture eliminates the external boost converter leakage

path and achieves standby quiescient current <1µA

without an external switching device.

Optional Dynamic Voltage Programming

TDFN34-16 Package

-40°C to +85°C Temperature Range

A fixed output voltage is set using two external resis-

tors. Alternatively, the output may be adjusted dynami-

cally across a 2.0x range. The output can toggle

between two preset voltages using the SEL logic pin.

Optionally, the output can be dynamically set to any

one of 16 programmed levels using AnalogicTech's

patented Simple Serial Control™ (S²Cwire™) interface.

Applications

•

GPS Systems

DVD Blu-Ray

Handheld PCs

PDA Phones

Portable Media Players

USB OTG

The AAT1210 is available in a Pb-free, thermally-

enhanced 16-pin 3x4mm TDFN low-profile package

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

range.

Typical Application

V_IN

3.6V

V_OUT

5V @ 900mA

AAT1210 Boost Converter Output Capability

(TDFN34-16; T_AMB= 25°C; T_C(RISE)= +50°C)

0.47µH

AAT1210

TDFN34-16

1400

1200

1000

800

600

400

200

VIN

LIN

V_IN= 4.5V

EN/SET

SEL

V_IN= 3.6V

FB1

40.2kΩ

V_IN= 2.7V

GND

FB2

4.7µF

0603

10µF

0603

4.99kΩ

12 13

14 15

16 17

Output Voltage (V)

1210.2007.02.1.2

12 3 4 5 6 7...23

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