Datasheet > MP2159A

MP2159A

更新时间： 2022-02-26 12:42:26

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
15页	459K
描述
1 A, 6 V, 1.5 MHz, Low IQ, COT Synchronous Step-Down Converter in 8-pin TSOT23

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MP2159A 数据手册

MP2159A

1 A, 6 V, 1.5 MHz, Low I_Q, COT

Synchronous Step-Down Converter

in 8-pin TSOT23

The Future of Analog IC Technology

DESCRIPTION

FEATURES

The MP2159A is a monolithic step-down,

switch-mode converter with built-in power

MOSFETs. It achieves a 1 A continuous output

current from a 2.5 V to 6 V input voltage range

with excellent load and line regulation. The

output voltage can be regulated as low as

0.6 V.



Very Low I_Q: 17 μA

Default 1.5 MHz Switching Frequency

1.5% V_FBAccuracy

EN and Power Good for Power Sequencing

Wide 2.5 V to 6 V Operating Input Range

Output Adjustable from 0.6 V

Up to 1 A Output Current

100% Duty Cycle in Dropout

120 mΩ and 90 mΩ Internal Power

MOSFET Switches

The constant-on-time (COT) control scheme

provides fast transient response and eases loop

stabilization. Fault condition protection includes

cycle-by-cycle current limiting and thermal

shutdown.



Cycle-by-Cycle Over-Current Protection

Short-Circuit Protection with Hiccup Mode

Stable with Low ESR Output Ceramic

Capacitors

The MP2159A is available in a small TSOT23-8

package and requires a minimum number of



Available in a TSOT23-8 Package

readily

available,

standard,

external

components.

APPLICATIONS

The MP2159A is ideal for a wide range of

applications including high-performance DSPs,

FPGAs, PDAs, and portable instruments.



Wireless/Networking Cards

Portable Instruments

Battery Powered Devices

Low Voltage I/O System Power

All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive.

For MPS green status, please visit the MPS website under Quality Assurance.

“MPS” and “The Future of Analog IC Technology” are registered trademarks of

Monolithic Power Systems, Inc.

TYPICAL APPLICATION

VIN

VOUT

1 H

2.5V to 6V

1.2V/ 1A

VIN

10 F

OUT

10 F

200k

MP2159A

200k

AGND PGND

MP2159A Rev. 1.02

6/30/2016

www.MonolithicPower.com

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

12 3 4 5 6 7...15

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