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SS8028

ORDERING INFORMATION

SOT-23-5

Top view

Packing

TR: Tape and reel

TB: Tube

Pinout option

T11

SS8028TXXXX

Example: SS8028T11TR

à T11 pin configuration shipped in

tape and reel packing

G963

VCC

SHDN

5

4

1

SW

2

3

GND

FB

G963

SS8028T11

5

4

1

2

3

ABSOLUTE MAXIMUM RATINGS

SW to GND…………………………………………………................……..-0.3V to +18V

Operating Temperature Range............................................................. -40

°C to 85°C

Maximum Operating Junction Temperature.................................................... +125

°C

Storage Temperature Range .............................................................. -65

°C to 150°C

Maximum Lead Temperature (Soldering, 10sec)............................................ +300

°C

PIN CONFIGURATION

PIN DESCRIPTIONS

PIN

NAME

FUNCTION

1

SW

Switch pin. The drain of the internal N-MOSFET power switch. Connect this pin to the inductor.

2

GND

Ground.

3

FB

Feedback pin. Set the output voltage by selecting values for R1 and R2 (see the Block Diagram):

R1 = R2

2

.

1

-1

4

SHDN

Active-low shutdown pin. Tie this pin to logic-high to enable the device, or tie it to logic-low to turn the

device off.

5

VCC

Input supply pin. Bypass this pin with a capacitor as close to the device as possible.

Rev.2.02 12/06/2003