LM7818CT(2013) 查看數據表（PDF） - Fairchild Semiconductor

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LM7818CT
(Rev.:2013)

3-Terminal 1 A Positive Voltage Regulator

Fairchild Semiconductor 

Electrical Characteristics (LM7810)

Refer to the test circuit, -40°C < TJ < 125°C, IO = 500 mA, VI = 16 V, CI = 0.33 μF,CO = 0.1 μF, unless otherwise

specified.

Symbol

VO

Regline

Regload

IQ

ΔIQ

ΔVO/ΔT

VN

RR

VDROP

RO

ISC

IPK

Parameter

Output Voltage

Line Regulation(10)

Load Regulation(10)

Quiescent Current

Quiescent Current

Change

Output Voltage Drift(11)

Output Noise Voltage

Ripple Rejection(11)

Dropout Voltage

Output Resistance(11)

Short-Circuit Current

Peak Current(11)

Conditions

TJ = +25°C

IO = 5 mA to 1 A, PO ≤ 15 W,

VI = 12.5 V to 25 V

TJ = +25°C

VI = 12.5 V to 25 V

VI = 13 V to 25 V

TJ = +25°C

IO = 5 mA to 1.5 A

IO = 250 mA to 750 mA

TJ =+25°C

IO = 5 mA to 1 A

VI = 12.5 V to 29 V

IO = 5 mA

f = 10 Hz to 100 kHz, TA = +25°C

f = 120 Hz, VI = 13 V to 23 V

IO = 1 A, TJ = +25°C

f = 1 kHz

VI = 35 V, TJ = +25°C

TJ = +25°C

Min.

9.6

9.5

56.0

Typ.

10.0

10.0

10

3

12

4

5.1

-1.0

58.0

71.0

2.0

17.0

250

2.2

Max.

10.4

10.5

Unit

V

200

mV

100

200

mV

400

8.0 mA

0.5

mA

1.0

mV/°C

μV/VO

dB

V

mΩ

mA

A

Notes:

10. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must

be taken into account separately. Pulse testing with low duty is used.

11. These parameters, although guaranteed, are not 100% tested in production.

© 2006 Fairchild Semiconductor Corporation

LM78XX / LM78XXA Rev. 1.3.0

7

www.fairchildsemi.com

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