LM78L08Q8 datasheet(5/11 Pages) CYSTEKEC

Part #	LM78L08Q8

Description	Low Current Positive Voltage Regulator

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Manufacturer	CYSTEKEC [Cystech Electonics Corp.]

Direct Link	http://www.cystekec.com

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5 / 11 page

CYStech Electronics Corp.

Spec. No. : C515Q8

Issued Date : 2007.11.19

Revised Date :

Page No. : 5/11

LM78LXXQ8

CYStek Product Specification

LM78L15 (Vin=23V, Io=40mA, Tj=0~125

°C, Cin=0.33uF, Cout=0.1uF, unless otherwise noted) (Note 1)

Symbol

Parameter

Min

Typ

Max

Conditions

Units

A-rank(3%)

14.55

15

15.45

Vo

B-rank(5%)

Output Voltage

14.25

-

15.75

Vin=23V, Io=40mA,Tj=25

°C

17.5V

≤Vin≤30V, 1mA≤Io≤40mA

17.5V

≤Vin≤Vmax,1mA≤Io≤70mA (Note 2)

V

-

25

150

17.5V

≤Vin≤30V

ΔVo

Line Regulation

-

15

75

20V

≤Vin≤30V

mV

-

20

150

1mA

≤Io≤100mA

ΔVo

Load Regulation

-

25

150

1mA

≤Io≤70mA

mV

IQ

Quiescent Current

-

2.2

6.5

Tj=25

°C, Vin=23V, Io=0mA

mA

-

1.5

20V

≤Vin≤30V

ΔIQ

Quiescent Current

Change

-

0.1

1mA

≤Io≤40mA

mA

Vn

Output Noise Voltage

-

90

-

10Hz

≤f≤100KHz

μV

ΔVin / ΔVout

Ripple Rejection

34

63

-

18.5V

≤Vin≤28.5V, f=120Hz

dB

ΔVo/ΔTj

Temperature Stability

-

-1.3

-

Io=5mA, 0

°C ≤Tj≤125°C

mV/℃

VD

Dropout Voltage

-

1.7

-

Io=100mA

V

LM78L18 (Vin=27V, Io=40mA, Tj=0~125

°C, Cin=0.33uF, Cout=0.1uF, unless otherwise noted) (Note 1)

Symbol

Parameter

Min

Typ

Max

Conditions

Units

A-rank(3%)

17.46

18

18.54

Vo

B-rank(5%)

Output Voltage

17.10

-

18.90

Vin=27V, Io=40mA,Tj=25

°C

21V

≤Vin≤33V, 1mA≤Io≤40mA

21V

≤Vin≤Vmax,1mA≤Io≤70mA (Note 2)

V

-

145

300

21V

≤Vin≤33V

ΔVo

Line Regulation

-

135

250

22V

≤Vin≤33V

mV

-

30

170

1mA

≤Io≤100mA

ΔVo

Load Regulation

-

15

85

1mA

≤Io≤40mA

mV

IQ

Quiescent Current

-

2.0

6.0

Tj=25

°C, Vin=27V, Io=0mA

mA

-

1.5

21V

≤Vin≤33V

ΔIQ

Quiescent Current

Change

-

0.1

1mA

≤Io≤40mA

mA

Vn

Output Noise Voltage

-

150

-

10Hz

≤f≤100KHz

μV

ΔVin / ΔVout

Ripple Rejection

34

48

-

23V

≤Vin≤33V, f=120Hz

dB

ΔVo/ΔTj

Temperature Stability

-

-1.8

-

Io=5mA, 0

°C ≤Tj≤125°C

mV/℃

VD

Dropout Voltage

-

1.7

-

Io=100mA

V

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