TPS61163YFFR datasheet(7/28 Pages) TI

Part #	TPS61163YFFR

Description	Dual-Channel WLED Drivers For Smart Phone

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Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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Output

Voltage

50mV/div

AC

SW

Voltage

20V/div

DC

Inductor

Current

500mA/div

DC

Output

Current

5mA/div

DC

t - Time - 1µs/div

PWM FREQ = 40kHz; DUTY = 20%

PWM

Voltage

2V/div

DC

Output

Voltage

10V/div

DC

Inductor

Current

500mA/div

DC

Output

Current

20mA/div

DC

t - Time - 10ms/div

DUTY = 100%

0

5

10

15

20

25

30

35

40

45

50

0

20

40

60

80

100

Dimming Duty Cycle (%)

Series1

Series2

Series4

Series5

C007

V

IN = 3 V

V

IN = 3 V

V

IN = 5 V

V

IN = 4.2 V

V

IN = 3.6 V

Output

Voltage

100mV/div

AC

SW

Voltage

20V/div

DC

Inductor

Current

500mA/div

DC

Output

Current

20mA/div

DC

t - Time - 1µs/div

DUTY = 100%

50

55

60

65

70

75

80

85

90

95

100

0

20

40

60

80

100

Dimming Duty Cycle (%)

Series1

Series2

Series4

Series5

C005

V

IN = 3 V

V

IN = 3.6 V

V

IN = 4.2 V

V

IN = 5 V

V

IN - 3 V

V

O= 27 V, 9s2p,

20 mA/string

50

55

60

65

70

75

80

85

90

95

100

0

20

40

60

80

100

Dimming Duty Cycle (%)

Series1

Series2

Series4

Series5

C006

V

IN = 3 V

V

O = 30 V, 10s2p,

20 mA/string

V

IN = 3.6 V

V

IN = 4.2 V

V

IN = 5 V

V

IN = 3 V

TPS61163

www.ti.com

SLVSBQ2C – JANUARY 2013 – REVISED AUGUST 2013

EFFICIENCY

vs

DIMMING DUTY CYCLE

Figure 5.

Figure 6.

DIMMING LINEARITY

SWITCHING WAVEFORM

Figure 7.

Figure 8.

SWITCHING WAVEFORM

STARTUP WAVEFORM

Figure 9.

Figure 10.

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TPS61163YFFR Datasheet(PDF) 7 Page - Texas Instruments

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