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SWIFT Products (continued)

SWITCHING FREQUENCY

PART

PACKAGE

FEATURES

FIXED

ADJUSTABLE

NUMBER

(V)

(V)

(A)

(mA)

(kHz)

(kHz)

Sequencing, Synchronous Buck

PG, EN, RT, TRACKIN,

TPS54380

3 to 6

0.9 to 4.5

3

6.2

350

280 to 700

20HTSSOP

Ext. Comp.

PG, EN, RT, TRACKIN,

TPS54680

3 to 6

0.9 to 4.5

6

11

350

280 to 700

28HTSSOP

Ext. Comp.

PG, EN, RT, TRACKIN,

TPS54880

4 to 6

0.9 to 3.3

8

11

350

280 to 700

28HTSSOP

Ext. Comp.

PG, EN, RT, TRACKIN,

TPS54980

3 to 4

0.9 to 2.5

9

11

350

280 to 700

28HTSSOP

Ext. Comp.

Pre Bias, Synchronous Buck

PG, EN, SYNC, SoftStart, RT,

TPS54073

2.2 to 4

0.9 to 2.5

14

13

350, 550

280 to 700

28HTSSOP

Ext. Comp.

PG, EN, SYNC, SoftStart, RT,

TPS54373

3 to 6

0.9 to 3.3

3

6.2

350, 550

280 to 700

20HTSSOP

Ext. Comp.

PG, EN, SYNC, SoftStart, RT,

TPS54377

3 to 6

0.9 to 3.3

3

6.2

-

280 to 1600

24QFN

Ext. Comp.

PG, EN, SYNC, SoftStart, RT,

TPS54673

3 to 6

0.9 to 4.5

6

11

350, 550

280 to 700

28HTSSOP

Ext. Comp.

PG, EN, SYNC, SoftStart, RT,

TPS54873

4 to 6

0.9 to 3.3

8

11

350, 550

280 to 700

28HTSSOP

Ext. Comp.

PG, EN, SYNC, SoftStart, RT,

TPS54973

3 to 4

0.9 to 2.5

9

11

350, 550

280 to 700

28HTSSOP

Ext. Comp.

Glossary

NAME

DEFINITION

PG Power Good pin

EN Enable pin

SYNC Sychronization pin

UVLO Undervoltage lockout pin

LSG Gate drive for low-side MOSFET

RT Frequency setting pin

SoftStart Adjustable Slow Start

TRACKIN External reference input pin for simultaneous sequencing

REFIN External reference input pin for Active Bus Termination

Split Rail Separate power and control voltage inputs

ILIM2 Current limit adjust pin for output 2 only

SEQ Configure the output startup mode pin

Ext. Comp. Externally Compensated

Int. Comp. Internally Compensated

Eco-Mode™ High efficiency at light load

CLK Clock pin to synchronize frequency (internal PLL)

SLVT153C – September 2007 – Revised October 2008

SWIFT Converter Product Portfolio

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