SA57254-30GW datasheet(8/18 Pages) PHILIPS

Part #	SA57254-30GW

Description	CMOS switching regulator (PWM controlled)

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Manufacturer	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

Product data

SA57254-XX

CMOS switching regulator (PWM controlled)

2003 Nov 11

8

SL01484

IOUT, OUTPUT CURRENT (mA)

0.01

0.1

1

10

100

1000

4.90

4.92

4.94

4.96

4.98

5.00

5.02

5.04

5.06

5.08

5.10

VIN = 0.9 V

VIN = 1.8 V

VIN = 3.0 V

VIN = 4.0 V

Figure 20. Output current versus voltage (100

µH inductor).

SL01485

IOUT, OUTPUT CURRENT (mA)

0.01

0.1

1

10

100

1000

50

55

60

65

70

75

80

85

90

95

100

VIN = 0.9 V

VIN = 1.8 V

VIN = 3.0 V

VIN = 4.0 V

Figure 21. Output current versus efficiency (100

µH inductor).

SL01486

IOUT, OUTPUT CURRENT (mA)

0.01

0.1

1

10

100

1000

0

10

20

30

40

50

60

70

80

90

100

VIN = 0.9 V

VIN = 1.8 V

VIN = 2.4 V

Figure 22. Output current versus ripple voltage

(L0 = 100 µH; COUT = 33 µF).

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SA57254-30GW Datasheet(PDF) 8 Page - NXP Semiconductors

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