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FUNCTIONAL BLOCK DIAGRAM

Thermal

Shutdown

10kW

Current

Limit

Bandgap

IN

EN

OUT

EPROM

V

(1)

LOGIC

Active

Pull-

Down

GND

PIN CONFIGURATIONS

TPS780DRV

2mmx2mmSON-6

(TOPVIEW)

IN

GND

EN

6

5

4

OUT

N/C

V

FB

/

SET

1

2

3

Thermal

Pad

(1)

TPS780DDC

TSOT23-5

(TOPVIEW)

OUT

V

/FB

SET

IN

GND

EN

1

2

3

5

4

TPS780 Series

SBVS083B – JANUARY 2007 – REVISED MARCH 2008

(1)

(1) It is recommended that the SON package thermal pad be connected to ground.

Table 1. TERMINAL FUNCTIONS

TERMINAL

NAME

DRV

DDC

DESCRIPTION

Regulated output voltage pin. A small (1

µF) ceramic capacitor is needed from this pin to

OUT

1

5

ground to assure stability. See the Input and Output Capacitor Requirements in the

Application Information section for more details.

N/C

2

—

Not connected.

3

4

selects preset output voltage low.

Driving the enable pin (EN) over 1.2V turns on the regulator. Driving this pin below 0.4V puts

EN

4

3

the regulator into shutdown mode, reducing operating current to 18nA typical.

GND

5

2

Ground pin.

Input pin. A small capacitor is needed from this pin to ground to assure stability. Typical input

IN

6

1

capacitor = 1.0

µF. Both input and output capacitor grounds should be tied back to the IC

ground with no significant impedance between them.

Thermal pad

Thermal pad

—

It is recommended that the SON package thermal pad be connected to ground.

4

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