MP1531 – LOW POWER, TRIPLE OUTPUT STEP-UP PLUS CHARGE PUMP FOR TFT BIAS

MP1531 Rev. 1.2

www.MonolithicPower.com

2

5/22/2006

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2006 MPS. All Rights Reserved.

PACKAGE REFERENCE

Part Number*

Package

Temperature

MP1531DQ

QFN16

(3mmx3mm)

–40

°C to +85°C

For RoHS compliant packaging, add suffix –LF

(eg. MP1531DQ–LF–Z)

Part Number**

Package

Temperature

MP1531DM

TSSOP16

–40

°C to +85°C

For RoHS compliant packaging, add suffix –LF

(eg. MP1531DM–LF–Z)

ABSOLUTE MAXIMUM RATINGS

(1)

IN Supply Voltage ..........................–0.3V to +6V

SW Voltage..................................–0.3V to +25V

IN2, GL Voltage ...........................+0.3V to –25V

IN3, GH Voltage...........................–0.3V to +40V

IN2 to IN3 Voltage .......................–0.3V to +60V

All Other Pins.................................–0.3V to +6V

Junction Temperature...............................125°C

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

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

Input Voltage .................................. 2.7V to 5.5V

IN2, GL Voltage ................................ 0V to –20V

IN3, GH Voltage ................................. 0V to 38V

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

QFN16 .................................... 60 ..... 120..

°C/W

TSSOP16 ............................... 90 ...... 30...

°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 approximately 1” square of 1 oz copper.

ELECTRICAL CHARACTERISTICS

(4)

Parameter

Symbol Condition

Min

Typ

Max

Units

Input Voltage Range

2.7

5.5

V

IN Undervoltage Lockout Threshold

IN Rising

2.25

2.65

V

IN Undervoltage Lockout Hysteresis

100

mV

IN Shutdown Current

0.5

1

µA

IN Quiescent Current

0.8

1.5

mA

EN Input High Voltage

1.6

V

EN Input Low Voltage

0.3

V

EN Hysteresis

100

mV

EN Input Bias Current

1

µA

TOP VIEW

EXPOSED PAD

CONNECT TO PIN 13

PIN 1 ID

SW

CT

RDY

FB1

GL

EN

FB3

FB2

1

2

3

4

13

14

15

16

8

7

6

5

REF

GND

IN

COMP

IN2

GH

IN3

PGND

12

11

10

9

RDY

FB1

COMP

IN

GND

REF

FB2

FB3

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

CT

SW

PGND

IN3

GH

IN2

GL

EN

TOP VIEW