LM3263 datasheet(9/40 Pages) TI1

No. de pieza	LM3263

Descripción Electrónicos	LM3263 High-Current Step-Down DC-DC Converter with MIPI짰 RF Front-End Control Interface

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Fabricante Electrónico	TI1 [Texas Instruments]

Página de inicio	http://www.ti.com

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2.6

2.8

3.0

3.2

3.4

3.6

2.5

3.0

3.5

4.0

4.5

5.0

5.5

INPUT VOLTAGE ( V )

C005

I

OUT = 500mA

I

OUT = 1.5A

60

65

70

75

80

85

90

95

100

0

25

50

75

100

125

150

OUTPUT CURRENT ( mA )

VOUT = 0.8V

VOUT = 1.0V

VOUT = 1.5V

VOUT = 1.8V

VOUT = 2.0V

VOUT = 0.4V

C006

2.50

2.55

2.60

2.65

2.70

2.75

2.80

2.85

2.90

2.95

3.00

2.5

3.0

3.5

4.0

4.5

5.0

5.5

INPUT VOLTAGE ( V )

C003

V

OUT = 2.0V, IOUT = 500mA

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

VSET VOLTAGE ( V )

C004

V

BATT = 4.2V

R

LOAD = 6.8

22

43

64

86

A7

C8

EA

VSET_CTRL (hex)

2.5

3.0

3.5

4.0

4.5

5.0

5.5

300

325

350

375

400

425

450

INPUT VOLTAGE (V)

C001

V

OUT = 1.0V @ PFM mode

0

2

4

6

8

10

2.5

3.0

3.5

4.0

4.5

5.0

5.5

INPUT VOLTAGE ( V )

C002

V

OUT = 2.0V @ PWM Mode

LM3263

www.ti.com

SNVS837A – JUNE 2013 – REVISED AUGUST 2013

TYPICAL PERFORMANCE CHARACTERISTICS

(VBATT =3.8V, TA = 25°C, unless otherwise noted)

Input Current (PFM) vs Input Voltage

Input Current (PWM) vs Input Voltage

No Load

Figure 1.

Figure 2.

Average Switching Frequency vs. Input Voltage

Output Voltage vs. VSET_CTRL Setting

Figure 3.

Figure 4.

Output Voltage vs. Input Voltage

Efficiency vs. Load Current

VOUT = 3.4V

Auto-PFM Mode, IOUT = 10mA to 150mA

Figure 5.

Figure 6.

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