ADP3031ARM

更新时间： 2024-11-23 04:04:39

品牌	Logo	应用领域
亚德诺 - ADI		稳压器开关
页数	文件大小	规格书
8页	174K
描述
2 MHz PWM Boost Switching Regulator

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中文翻译

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数据手册

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ADP3031ARM 数据手册

PRELIMINARY TECHNICAL DATA

2 MHz PWM Boost

Switching Regulator

Preliminary Technical Data

ADP3031

FEATURES

Functional Block Diagram

Up to 2 MHz PWM Frequency

Fully Integrated 1.5 A Power Switch

3% Output Regulation Accuracy

Adjustable Output Voltage from 3 V to 12 V

Simple Compensation

Small Inductor and MLC Capacitors

90% Efficiency

Under-voltage Lockout

COMP

ERROR

AMP

ADP3031

REF

BIAS

F/F

Shutdown

RAMP

GEN

DRIVER

COMPARATOR

APPLICATIONS

TFT LCD Bias Supplies

Portable Electronic Instruments

Industrial/Instrumentation Equipment

OSC

CURRENT

SENSE

AMPLIFIER

GENERAL DESCRIPTION

The ADP3031 is a high frequency, step-up DC-DC

switching regulator capable of 12 V boosted output voltage

in a space saving MSOP-8 package. It provides high

efficiency, low-noise operation, and is easy to use. Capable

of operating up to 2 MHz, the high switching frequency and

PWM current mode architecture allow for excellent tran-

sient response, ease of noise filtering, and also small, cost-

saving external inductive and capacitive components. The

current limit and the power switch are integrated completely

on chip.

GND

PGND

Capable of operating from 2.5 V to 5.5 V input, the

ADP3031 is ideal for Thin-Film Transistor (TFT) Liquid

Crystal Display (LCD) module applications, where local

point-of-use power regulation is required. Featuring an

adjustable output that supports voltages down to 3 V, the

ADP3031 is ideal to generate today’s low voltage rails,

delivering power efficiently, and simply with minimal

printed circuit board area.

The device is specified over the industrial temperature range

of -40°C to +85°C.

REV. PrB

8/2/02

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A.

Tel:781/329-4700

Fax:781/326-8703

World Wide Web Stie: http://www.analog.com

12 3 4 5 6 7 8

中文翻译

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与ADP3031ARM相关器件

型号	品牌	获取价格	描述	数据表
ADP3031ARM-REEL	ADI	获取价格	IC 1.8 A SWITCHING REGULATOR, 2300 kHz SWITCHING FREQ-MAX, PDSO8, MSOP-8, Switching Regula
ADP3031ARM-REEL7	ADI	获取价格	IC 1.8 A SWITCHING REGULATOR, 2300 kHz SWITCHING FREQ-MAX, PDSO8, MSOP-8, Switching Regula
ADP3041	ADI	获取价格	TFT LCD Panel Power Module
ADP3041ARU	ADI	获取价格	TFT LCD Panel Power Module
ADP3041ARU-REEL	ROCHESTER	获取价格	1.8 A SWITCHING REGULATOR, 900 kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20
ADP3041ARU-REEL7	ADI	获取价格	IC 1.8 A SWITCHING REGULATOR, 900 kHz SWITCHING FREQ-MAX, PDSO20, MO-153AC, TSSOP-20, Swit
ADP3041ARUZ	ADI	获取价格	TFT LCD Panel Power Module
ADP3041ARUZ-REEL	ADI	获取价格	TFT LCD Panel Power Module
ADP305	TELEDYNE	获取价格	High Definition Oscilloscopes
ADP3050	ADI	获取价格	200 kHz, 1 A High-Voltage Step-Down Switching Regulator

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