TPS61260DRVR datasheet(6/21 Pages) TI1

No de pièce	TPS61260DRVR

Description	TINY LOW INPUT VOLTAGE BOOST CONVERTER

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Fabricant	TI1 [Texas Instruments]

Site Internet	http://www.ti.com

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0.8

1.2

1.6

2.0

2.4

2.8

3.2

3.6

4.0

Input Voltage (V)

VOUT = 1.8 V

VOUT = 2.5 V

VOUT = 4.0 V

R3 = 2 kΩ

G000

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10

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0.8

1.2

1.6

2.0

2.4

2.8

3.2

3.6

4.0

Input Voltage (V)

VOUT = 3.3 V

R3 = 2 kΩ

G000

TPS61260, TPS61261

SLVSA99

– MAY 2011

www.ti.com

TYPICAL CHARACTERISTICS

TABLE OF GRAPHS

DESCRIPTION

FIGURE

Maximum output current

vs Input voltage (TPS61260, VOUT = {1.8 V; 2.5 V; 4.0 V})

1

vs Input voltage (TPS61261, VOUT = 3.3 V)

2

Efficiency

vs Output current (TPS61260, VOUT = {1.8 V; 2.5 V; 4.0 V})

3

vs Output current (TPS61261, VOUT = 3.3 V)

4

vs Input voltage (TPS61260, VOUT = 1.8 V, IOUT = {10; 20; 50 mA})

5

vs Input voltage (TPS61260, VOUT = 2.5 V, IOUT = {10; 20; 50 mA})

6

vs Input voltage (TPS61260, VOUT = 4.0 V, IOUT = {10; 20; 50; 100 mA})

7

vs Input voltage (TPS61261, VOUT = 3.3V, IOUT = {10; 20; 50 mA})

8

Output current

vs Resistance at RI

9

Output voltage

vs Output current (TPS61260, VOUT = 1.8 V)

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vs Output current (TPS61260, VOUT = 2.5 V)

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vs Output current (TPS61260, VOUT = 4.0 V)

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vs Output current (TPS61261, VOUT = 3.3V)

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Output current

vs Output voltage

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Waveforms

Load transient response (TPS61261, Load change from 5 mA to 45 mA)

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Line transient response (TPS61261, Iout = 50 mA, VIN change from 1.0 V to 1.5 V)

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Startup after enable (TPS61261, VOUT = 3.3V, VIN = 1.2 V, Iout = 10 mA)

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Startup after enable (TPS61261, VOUT = 3.3V, VIN = 2.5 V, Iout = 10 mA)

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MAXIMUM OUTPUT CURRENT

vs

INPUT VOLTAGE

Figure 1.

Figure 2.

6

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