MP2113 – 1.5A, SYNCHRONOUS STEP-DOWN CONVERTER WITH DYNAMIC VOLTAGE CONTROL

MP2113 Rev. 1.0

www.MonolithicPower.com

2

4/4/2011

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2011 MPS. All Rights Reserved.

PACKAGE REFERENCE

TOP VIEW

FB

PGOOD

GND

SW

1

2

3

4

DRN

EN

CTRL

IN

8

7

6

5

EXPOSED PAD

ON BACKSIDE,

CONNECT TO GND

Part Number*

Package

MP2113DD

QFN8

(2mm x 3mm)

Temperature

Top Marking

–40

°C to +85°C

MP2113DS

For RoHS compliant packaging, add suffix –LF

(eg. MP2113DD–LF–Z)

ABSOLUTE MAXIMUM RATINGS

(1)

IN to GND .................................. –0.3V to + 6.5V

PGOOD, EN, CTRL to GND....... –0.3V to +6.5V

FB, DRN to GND ........................ –0.3V to +6.5V

Operating Temperature .............–40°C to +85°C

Junction Temperature...............................150°C

Lead Temperature ....................................260°C

Storage Temperature .............–65°C to +150°C

Recommended Operating Conditions

(2)

Operating Temperature .............–40°C to +85°C

Thermal Resistance

(3)

QFN8 (2mm x 3mm)............... 50 ...... 12...

°C/W

Notes:

1) Exceeding these ratings may damage the device.

2) The device is not guaranteed to function outside of its

operating conditions.

3) Measured on JESD51-7, 4-layer PCB.

ELECTRICAL CHARACTERISTICS

(4)

Parameters

Condition

Min

Typ

Max

Units

Supply Current

(forced PWM Mode)

500

650

µA

(asynchronous Mode)

55

85

Shutdown Current

0.1

1

µA

Thermal Shutdown Trip Threshold

Hysteresis=20°C

145

°C

PGOOD Upper Trip Threshold

FB wrt the nominal value

12

%

PGOOD Lower Trip Threshold

FB wrt the nominal value

-10

%

PGOOD Output Lower Voltage

ISINK=1mA

0.3

V

PGOOD Deglitch Timer

Transient Deglitch

200

µs

EN Trip High Threshold

1.5

V

EN Trip Low Threshold

0.5

V

EN Input Control

0.1

1.0

µA

6

µA

CTRL Trip Threshold

Rising edge, VIN-0.8V

1.8

V

Falling edge GND

0.4

V

CTRL Input Current

-1

0.1

1

µA

DRN output resistance

100

Ω

CTRL=0

10

MΩ