SI91842DT-22-T1 datasheet(5/9 Pages) VISHAY

Part #	SI91842DT-22-T1

Description	150-mA Low-Noise LDO Regulator With Error Flag and Discharge Option

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Manufacturer	VISHAY [Vishay Siliconix]

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5 / 9 page

Si91842/4

Vishay Siliconix

New Product

Document Number: 71732

S-20478—Rev. C, 01-Apr-02

www.vishay.com

5

TYPICAL CHARACTERISTICS (INTERNALLY REGULATED, 25_C UNLESS NOTED)

–1.0

–0.8

–0.6

–0.4

–0.2

–0.0

0.2

0.4

–40

–15

10

35

60

85

Normalized VOUT vs. Temperature

Ambient Temperature (

_C)

0

50

100

150

200

250

300

2

3456

7

No Load GND Pin Current vs. Input Voltage

Input Voltage (V)

IOUT = 0 mA

IOUT = 150 mA

IOUT = 75 mA

–40

_C

85

_C

50

75

100

125

150

0

25

50

75

100

125

150

GND Current vs. Load Current

Load Current (mA)

600

625

650

675

700

725

750

–40

–15

10

35

60

85

Output Short Circuit Current vs. Temperature

85

_C

AmbientTemperature (

_C)

25

_C

–80

–60

–40

–20

0

10

100

1000

10000

100000

1000000

Power Supply Rejection

Frequency (Hz)

CIN = 1 mF

COUT = 1 mF

ILOAD = 150 mA

VOUT = 3.0 V

–0.75

–0.60

–0.45

–0.30

–0.15

0.00

0.15

0.30

0

25

50

75

100

125

150

Normalized Output Voltage vs. Load Current

Load Current (mA)

VOUT = 2.6 V

VIN = VOUT(nom) + 1 V

VOUT = 3.0 V

VIN = 4.0 V

VIN = VOUT(nom) + 1 V

25

_C

–40

_C

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