Datasheet > MP2918GL

MP2918GL

更新时间： 2024-11-03 01:11:11

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
30页	1790K
描述
4V to 40V Input, Current Mode, Synchronous, Step-Down Controller

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MP2918GL 数据手册

MP2918

4V to 40V Input, Current Mode,

Synchronous, Step-Down Controller

DESCRIPTION

FEATURES

The MP2918 is a high-voltage, synchronous,

step-down, switching controller that can directly

step down voltages from up to 40V. The

MP2918 uses PWM current control architecture

with accurate cycle-by-cycle current limit and is

capable of driving dual N-channel MOSFET

switches.



Wide 4V to 40V Operating Input Range

Dual N-Channel MOSFET Driver

0.8V Voltage Reference with ±1 .5%

Accuracy Over Temperature

Low Dropout Operation: Maximum Duty

Cycle at 99.5%

Programmable Frequency Range: 100kHz -

1000kHz

External Sync Clock Range: 100kHz-

1000kHz



Advanced Asynchronous Mode (AAM) enables

non-synchronous operation to optimize light-

load efficiency.



180° Out-of-Phase SYNCO Pin

Programmable Soft Start (SS)

Power Good (PG) Output Voltage Monitor

Selectable Cycle-by-Cycle Current Limit

Output Over-Voltage Protection (OVP)

Hiccup Over-Current Protection (OCP)

Internal LDO with External Power Supply

Option

The operating frequency of the MP2918 can be

programmed by an external resistor or

synchronized to an external clock for noise-

sensitive applications. Full protection features

include precision output over-voltage protection

(OVP), output over-current protection (OCP),

and thermal shutdown.

The MP2918 is available in TSSOP20-EP and

QFN-20 (3mmx4mm) packages.



Programmable Forced CCM and AAM

Available TSSOP20-EP and QFN-20

(3mmx4mm) Packages

APPLICATIONS

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.



Automotive

Industrial Control Systems

TYPICAL APPLICATION

4-40V

VIN

VCC1

BST

FREQ

VCC1

VOUT

SGND

MP2918

VCC2

SENSE+

SENSE-

EN/SYNC

ILIM

CCM/AAM

SYNCO

COMP SS

PGND

MP2918 Rev. 1.02

5/31/2017

www.MonolithicPower.com

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

12 3 4 5 6 7...30

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