SA57022-50D datasheet(4/8 Pages) PHILIPS

Part #	SA57022-50D

Description	500 mA LDO with ON/OFF control and Vref bypass

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Manufacturer	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

Product data

SA57022-XX

500 mA LDO with ON/OFF control and Vref bypass

2003 Oct 13

4

ELECTRICAL CHARACTERISTICS

Tamb = 25 °C; VON/OFF = 1.6 V, unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

ICC

No-load input current

IOUT = 0 mA

–

1.9

5

mA

ICC(OFF)

Input current (off)

VON/OFF = 0 V

–

0

1

µA

VOUT

Output voltage (as % of Vnom)

IOUT = 250 mA

98%

–

102%

V

SA57022-18

1.764

1.8

1.836

V

SA57022-25

2.450

2.5

2.550

V

SA57022-28

2.744

2.8

2.856

V

SA57022-30

2.940

3.0

3.060

V

SA57022-33

3.234

3.3

3.060

V

SA57022-50

4.900

5.0

5.100

V

VIO

Dropout voltage (Note 2)

VIN = VOUT – 0.2 V; IOUT = 250 mA

–

0.3

0.5

V

∆V1

Line regulation

VIN = VOUT +1.5 V to VIN = VOUT +2.5 V;

IOUT = 250 mA

–

10

20

mV

∆V2

Load regulation

IOUT = 0 to 250 mA

–

20

120

mV

∆VOUT/∆T

VOUT Temperature coefficient

(Note 1)

Tj = –30 to +85 °C

–

100

–

ppm/

°C

RR

Ripple rejection (Note 1)

f = 120 Hz; Vripple = 1 V; IOUT = 250 mA

50

64

–

dB

Vn

Output noise voltage (Note 1)

fBW = 20 to 80 kHz; Cn = 470 pF

–

75

–

µVrms

ION/OFF

ON/OFF pin input current

VON/OFF = VIN

10

20

30

µA

VON/OFF(H)

ON/OFF HIGH threshold voltage

1.6

–

VIN+0.3

V

VON/OFF(L)

ON/OFF LOW threshold voltage

-0.3

–

0.4

V

NOTES:

1. The parameter is guaranteed by design.

2. This parameter is not guaranteed if VOUT is less than 2 V.

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