TPS71256 datasheet(10/28 Pages) TI

Part #	TPS71256

Description	SYNCHRONOUS SEPIC / FLYBACK CONVERTER WITH 1.1A SWITCH AND INTEGRATED LDO

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Manufacturer	TI [Texas Instruments]

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3.20

3.22

3.24

3.26

3.28

3.30

3.32

3.34

3.36

3.38

3.40

0

100

200

300

400

IO − Output Current − mA

VI = 2.4 V

0

2

4

6

8

10

12

14

1.8

2

2.2

2.4

2.6

2.8

3

3.2

85

°C

25

°C

−40

°C

VI − Input Voltage − V

Inductor Current

100 mA/Div, DC

Output Voltage

20 mV/Div, AC

Timebase − 1

µs/Div

VI = 3.3 V, RL = 33 W

VO = 3.3 V

0

2

4

6

8

10

12

14

1.8

2

2.2

2.4

2.6

2.8

3

3.2

VI − Input Voltage − V

−40

° C

85

° C

25

° C

TPS61130

TPS61131

TPS61132

SLVS431A – JUNE 2002 – REVISED AUGUST 2003

TPS61132

SEPIC CONVERTER OUTPUT VOLTAGE

NO-LOAD SUPPLY CURRENT INTO VBAT

vs

OUTPUT CURRENT

INPUT VOLTAGE

Figure 7.

Figure 8.

TPS61132

NO-LOAD SUPPLY CURRENT INTO VOUT

TPS61132

vs

SEPIC CONVERTER OUTPUT VOLTAGE

INPUT VOLTAGE

IN CONTINUOUS MODE

Figure 9.

Figure 10.

10

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