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ADP3025JRU-REEL

更新时间： 2024-11-22 22:32:55

品牌	Logo	应用领域
亚德诺 - ADI		开关光电二极管控制器
页数	文件大小	规格书
24页	769K
描述
High Efficiency Dual Output Power Supply Controller

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数据手册
替代型号

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ADP3025JRU-REEL 数据手册

High Efficiency Dual Output

Power Supply Controller

ADP3025

GENERAL DESCRIPTION

FEATURES

Wide input voltage range: 5.5 V to 25 V

High conversion efficiency > 96%

Integrated current sense—no external resistor required

Low shutdown current: 19 µA (typical)

Voltage mode PWM with input feed-forward for fast line

transient response

Dual synchronous buck controllers

Built-in gate drive boost circuit for driving external high-side

N-channel MOSFET

2 independently programmable output voltages:

Fixed 3.3 V or adjustable (800 mV to 6.0 V)

Fixed 5 V or adjustable (800 mV to 6.0 V)

Programmable PWM frequency

Integrated linear regulator controller

Extensive circuit protection functions

The ADP3025 is a highly efficient, dual synchronous buck

switching regulator controller optimized for converting a

battery or adapter input into the supply voltage required in

portable products and industrial systems. The oscillator

frequency can be programmed for 200 kHz or 300 kHz

operation, or can be synchronized to an external clock signal of

up to 350 kHz.

The ADP3025 provides accurate and reliable short-circuit

protection by using an internal current sense circuit that

reduces cost and increases overall efficiency. Other protection

features include programmable soft start, UVLO, and integrated

output undervoltage/overvoltage protection. The ADP3025

contains a linear regulator controller designed to drive an

external N-channel MOSFET. The linear regulator output is

adjustable and can be used to generate auxiliary supply voltages.

APPLICATIONS

Portable instruments

General-purpose dc-to-dc converters

The ADP3025 is specified over the 0°C to 70°C commercial

temperature range and is available in a 38-lead TSSOP package.

SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM

5.5V TO 25V

PFO

800mV

5V LINEAR

REGULATOR

REF

3.3V

SWITCHING

CONTROLLER

SWITCHING

CONTROLLER

SS3

SS5

LINEAR

CONTROLLER

PWRGD

2.5V

POWER-ON

RESET

ADP3025

Figure 1.

Rev. A

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 that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

12 3 4 5 6 7...24

中文翻译

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ADP3025JRU-REEL 替代型号

型号	品牌	替代类型	描述	数据表
ADP3025JRUZ-REEL	ADI	功能相似	IC DUAL SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO38, MO-153BD-1, TSSOP-36, Sw

与ADP3025JRU-REEL相关器件

型号	品牌	获取价格	描述	数据表
ADP3025JRUZ-REEL	ADI	获取价格	IC DUAL SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO38, MO-153BD-1, TSSOP-36, Sw
ADP3026	ADI	获取价格	High-Efficiency Notebook Computer Power Supply Controller
ADP3026ARU	ADI	获取价格	High-Efficiency Notebook Computer Power Supply Controller
ADP3026ARU-REEL	ADI	获取价格	IC DUAL SWITCHING CONTROLLER, 336 kHz SWITCHING FREQ-MAX, PDSO28, TSSOP-28, Switching Regu
ADP3026ARU-REEL7	ADI	获取价格	IC DUAL SWITCHING CONTROLLER, 336 kHz SWITCHING FREQ-MAX, PDSO28, TSSOP-28, Switching Regu
ADP3026JRUZ-REEL	ROCHESTER	获取价格	DUAL SWITCHING CONTROLLER, 235kHz SWITCHING FREQ-MAX, PDSO28, LEAD FREE, MO-153AE, TSSOP-2
ADP3031	ADI	获取价格	2 MHz PWM Boost Switching Regulator
ADP3031ARM	ADI	获取价格	2 MHz PWM Boost Switching Regulator
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

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