EV2174C-G-00A

4A, 5.5V, 1.1MHz Synchronous

Step-Down Switcher Evaluation Board

EV2174CGG-00A Rev.1.0

www.MonolithicPower.com

1

2/25/2019

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

© 2019 MPS. All Rights Reserved.

DESCRIPTION

The EV2174C-G-00A is used for demonstrating

the performance of MPS’s MP2174C, a low

voltage high switching frequency step-down

switcher with built in power

MOSFETs.

MP2174C provides up to 4A highly efficient

output with constant-on-time control for fast

loop response.The output voltage can be

regulated as low as 0.6V.

High power efficiency over a wide load range is

achieved by scaling down the switching

frequency at light load to reduce the switching

related loss by constant on time control. Short

circuit and thermal shutdown provides reliable,

fault-tolerant operation.

MP2174C is available in QFN12 (2x2mm)

package.

ELECTRICAL SPECIFICATION

Parameter

Symbol

Value

Units

Input Voltage

VIN

2.7– 5.5

V

Output Voltage

VOUT

1.2

V

Output Current

IOUT

4

A

FEATURES

 Forced PWM Mode Operation

 Wide 2.7V to 5.5V Operating Input Range

 Output Voltage as Low as 0.6V

 4A Output Current

 35mΩ and 18mΩ Internal Power MOSFET

 1.1MHz Frequency

 100% Duty cycle in Dropout

 0.5ms Internal Soft-Start Time

 EN and Power Good for Power Sequencing



Auto Discharge at Power-off

 Short Circuit Protection with Hiccup Mode

 Available in a QFN12 (2x2mm) Package

APPLICATIONS



Storage Drives



Portable/Handheld Devices



PDAs



DVD Drives



Wireless/Networking Cards

 Low Voltage I/O System Power

All MPS parts are lead-free and adhere to the RoHS directive. For MPS green

status, please visit MPS website under Quality Assurance. “MPS” and “The

Future of Analog IC Technology” are Registered Trademarks of Monolithic

Power Systems, Inc.

EV2174C-G-00A EVALUATION BOARD

I

Board Number

MPS IC Number

EV2174C-G-00A

MP2174CGG

Efficiency vs. Output Current

VIN=5V, DCR=27mΩ

0

10

20

30

40

50

60

70

80

90

100

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

OUTPUT CURRENT (A)

Vout=1.2V

Vout=1.8V

Vout=2.5V

Vout=3.3V