TPS2816, TPS2817, TPS2818, TPS2819, TPS2828, TPS2829,

SINGLECHANNEL HIGHSPEED MOSFET DRIVER

SLVS160C – FEBRUARY 1997 – REVISED OCTOBER 2002

16

www.ti.com

APPLICATION INFORMATION

Regulator

1

2

3

5

4

U1

TPS2817DBV

C8

C7

CR1

C9

C10

L1

+

C12

+

C13

R4

C11

R7

R6

+

C6

5

1

OUT

SCP

8

7

4

R3

3

6

2

C3

C2

R2

C4

C9

+

Q1

TPS1110D

DTC

COMP

FB

RT

VCC

GND

U2

TL5001CD

4.5 V to 7 V

GND

VO

3 A Continuous

5 A Peak

GND

R1

R5

C5

Figure 23. Step-Down Application

NOTE: If the parasitics of the external circuit cause the voltage to violate the Absolute Maximum

Rating for the Output pins, Schottky diodes should be added from ground to output and from output

to Vcc.