LX8942

Microsemi

Integrated Products Division

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

Page 3

Copyright

© 2005

Rev. 1.2, 2006-01-20

Low Dropout Dual Regulator

TM

®

ELECTRICAL CHA RACTERISTICS

Unless otherwise specified, the following specifications apply over the operating ambient temperature 0

°C

characteristics only. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the

ambient temperature.

LX8942

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

Output Voltage (NOTE 1)

7.6

8.0

8.4

V

4

25

mV

Line Regulation

10

50

mV

Load Regulation

10

50

mV

Output Impedance

200

mΩ

2

mA

40

100

mA

90

mA

Quiescent Current

Output Noise Voltage

10Hz – 100kHz

100

Long Term Stability

20

mV /

1000hr

Ripple Rejection

66

dB

0.45

0.60

V

Dropout Voltage

0.7

1.2

V

Current Limit

1.0

1.8

A

Maximum Operational Input

Voltage

Double Battery

26.5

31

V

Maximum Line Transient

60

70

V

ON / OFF Switch

10

µA

ON / OFF Switch

-10

µA

Output Voltage (Note 1)

4.75

5.0

5.25

V

Line Regulation

4

50

mV

10

25

mV

Load Regulation

25

50

mV

Output Impedance

1

Ω

Quiescent Current

1.2

3

mA

Output Noise Voltage

10Hz – 100kHz

300

Long Term Stability

20

mV /

1000hr

Ripple Rejection

66

dB

Dropout Voltage

0.55

0.70

V

Current Limit

60

100

mA

Maximum Line Transient

60

70

V

Note 1: The Temperature Extremes are Guaranteed but not 100% Production Tested.