TPS62305YZD datasheet(11/31 Pages) TI

Part #	TPS62305YZD

Description	500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING

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Manufacturer	TI [Texas Instruments]

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1.568

1.578

1.588

1.598

1.608

1.618

1.628

0.1

1

10

100

1000

VI = 3.6 V, VO = 1.6 V,

L = 2.2 mH

PWM Operation

PFM/PWM Operation

IO − Load Current − mA

402

402.5

403

403.5

404

404.5

405

405.5

406

-40 -30 -20 -10

0 10 20 30 40 50 60 70 80 85

TA - Ambient Temperature - 5C

VI = 4.2 V

VI = 3.6 V

VI = 2.7 V

TPS62300

2.9

2.95

3

3.05

3.1

3.15

3.2

3.25

3.3

VI − Input Voltage − V

2.7

3

3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7

6

TA = −405C

TA = 255C

TA = 855C

MODE/SYNC = HIGH

80

82

84

86

88

90

92

94

96

2.7

3

3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7

6

TA = 855C

TA = 255C

TA = −405C

VI − Input Voltage − V

TPS62300, TPS62301, TPS62302

TPS62303, TPS62305, TPS62311

TPS62313, TPS62320, TPS62321

SLVS528B – JULY 2004 – REVISED JUNE 2005

TYPICAL CHARACTERISTICS (continued)

OUTPUT VOLTAGE

REGULATED FEEDBACK VOLTAGE

vs

LOAD CURRENT

TEMPERATURE

Figure 17.

Figure 18.

QUIESCENT CURRENT

OSCILLATOR FREQUENCY

vs

INPUT VOLTAGE

Figure 19.

Figure 20.

11

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