_

+

Current

Sense

R1

R2

GND

ILIM

Bandgap

Reference

R2 = 840 k

Ω

_

+

Current

Sense

R1

R2

GND

ILIM

Bandgap

Reference

FB

TPS715Axx

SBVS047F – MAY 2004 – REVISED OCTOBER 2012

www.ti.com

FUNCTIONAL BLOCK DIAGRAM—ADJUSTABLE VERSION

FUNCTIONAL BLOCK DIAGRAM—FIXED VERSION

Table 1. Pin Descriptions

TPS715Axx

DRB

DRV

NAME

FIXED

ADJ.

FIXED

ADJ.

DESCRIPTION

FB

5

4

Adjustable version. This terminal is used to set the output voltage.

GND

4, Pad

4, Pad

3, Pad

3, Pad

Ground

NC

2, 3, 5, 6, 7

2, 3, 6, 7

2, 4, 5

2, 5

No connection. May be left open or tied to Ground for improved thermal performance.

IN

1

1

1

1

Unregulated input voltage.

OUT

8

8

6

6

Regulated output voltage, any output capacitor

≥ 0.47μF can be used for stability.

4

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