NX2139A

2

Rev. 2.3

03/19/09

9

10

11

12

4

3

2

1

VCC

FB

PGOOD

PVCC

OCSET

SW

HDRV

8

7

6

5

16

15

14

13

VO

AGND

17

ABSOLUTE MAXIMUM RATINGS

VCC,PVCC to GND & BST to SW voltage ............ -0.3V to 6.5V

TON to GND ......................................................... -0.3V to 28V

HDRV to SW Voltage .......................................... -0.3V to 6.5V

SW to GND ......................................................... -2V to 30V

All other pins ........................................................ VCC+0.3V

ESD Susceptibility ............................................... 2kV

CAUTION: Stresses above those listed in "ABSOLUTE MAXIMUM RATINGS", may cause permanent

damage to the device. This is a stress only rating and operation of the device at these or any other conditions

above those indicated in the operational sections of this specification is not implied.

PACKAGE INFORMATION

3x3 16-LEAD PLASTIC MLPQ

ELECTRICAL SPECIFICATIONS

Unless otherwise specified, these specifications apply over Vcc =5V, VIN=15V and T

specified.

o

JA

CW

θ ≈ 46/

PARAMETER

SYM

Test Condition

Min

TYP

MAX

Units

VIN

recommended voltage range

V

IN

4.5

24

V

Shut down current

ENLDO=GND, ENSW=GND

1

uA

VCC,PVCC Supply

Input voltage range

4.5

5.5

V

Operating quiescent current

VFB=0.85V, ENLDO=GND,

ENSW=5V

1.8

mA

Shut down current

ENLDO=GND, ENSW=GND

1

uA