Charge pump

output

VIN

VBST1

DRVH1

SW1

DRVL1

VO1

VFB1

CS1

EN1

EN-5V

VCLK

VREG5

5V

output

VBST2

DRVH2

SW2

DRVL2

VFB2

CS2

EN2

PGOOD

VREG3

EN 3.3 V

3.3 V

output

PGOOD

3.3-V LDO

5 V LDO

GND

TPS51285A

TPS51285B

SLVSBX0 – APRIL 2013

www.ti.com

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

TYPICAL APPLICATION DIAGRAMS

Figure 1. TYPICAL APPLICATION DIAGRAM (With Charge Pump)

2

Submit Documentation Feedback

Copyright © 2013, Texas Instruments Incorporated

Product Folder Links: TPS51285A TPS51285B