MP8846

High-Efficiency, 6A, 8V, Synchronous

MP8846 Rev. 1.0

www.MonolithicPower.com

1

5/19/2015

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

© 2015 MPS. All Rights Reserved.

The Future of Analog IC Technology

DESCRIPTION

The MP8846 is a high-frequency, synchronous,

rectified, step-down, switch-mode converter

compact solution to achieve a 6A continuous

output current with excellent load and line

regulation over a wide input-supply range. The

MP8846 has synchronous-mode operation for

higher efficiency over the output-load range.

The reference voltage level can be controlled

The voltage range can be adjusted from 0.6V to

1.87V in 10mV steps. The voltage slew rate,

switching frequency, enable, and power-saving

Current-mode operation provides fast transient

response and eases loop stabilization. Full

protection

features

include

over-current

protection

(OCP),

over-voltage

protection

(OVP), and thermal shut down (TSD).

The MP8846 requires a minimal number of

readily

available,

standard,

external

components and is available in a 15-pin QFN15

(3mmx3mm) package.

FEATURES

• Wide 4.5V to 8V Operation Input Range

MOSFETs

• 1% VOUT Accuracy

0.6V to 1.87V in 10mV Steps with Slew-

Rate Control

600kHz Switching Frequency.

• Programmable Output Voltage

• Power Good Indication

• OCP in Hiccup Mode

• External Soft-Start

• Available in a QFN3mmx3mm Package

APPLICATIONS

• SoC and Media Processors

• General Consumers

• Distributed Power Systems

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

C1

0.22μF

R4

100kΩ

R2

34kΩ

R3

33kΩ

C5

47uF

C2

22uFx2

R1

34kΩ

L1

1uH

C7

22nF

VIN

4.5V-8V

PG

SDA

SCL

VOUT

1.2V/6A

EN

R9

100kΩ

R8

10Ω

C4

0.1uF

50

55

60

65

70

75

80

85

90

95

100

0.01

0.10

1.00

10.00