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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

GND

U2

TL5001CD

4.5 V to 7 V

GND

3 A Continuous

5 A Peak

GND

R1

R5

C5

TPS2816-EP, TPS2817-EP, TPS2818-EP

TPS2819-EP, TPS2828-EP, TPS2829-EP

SGDS039 – FEBRUARY 2008

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

Copyright © 2008, Texas Instruments Incorporated

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Product Folder Link(s): TPS2816-EP TPS2817-EP TPS2818-EP TPS2819-EP TPS2828-EP TPS2829-EP