KA78L18A View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

Manufacturer

KA78L18A

3-Terminal 0.1 A Positive Voltage Regulator

Fairchild Semiconductor 

KA78LXXA/KA78L05AA

Electrical Characteristics(KA78L15A) (Continued)

(VI = 23V, IO = 40mA, 0°C ≤ TJ ≤ 125°C, CI = 0.33 μF, CO = 0.1μF, unless otherwise specified. (Note1)

Parameter

Output Voltage

Line Regulation (Note1)

Load Regulation (Note1)

Symbol

VO

ΔVO

ΔVO

Output Voltage

VO

Quiescent Current

IQ

Quiescent Current With Line ΔIQ

Change

With Load ΔIQ

Output Noise Voltage

VN

Temperature Coefficient of VO ΔVO/ΔT

Ripple Rejection

RR

Dropout Voltage

VD

Conditions

Min. Typ. Max. Unit

TJ = 25°C

14.4 15 15.6 V

TJ = 25°C

17.5V ≤ VI ≤ 30V

20V ≤ VI ≤ 30V

- 25 300 mV

- 20 250 mV

TJ = 25°C

1mA ≤ IO ≤ 100mA

1mA ≤ IO ≤ 40mA

- 25 150 mV

- 12 75 mV

17.5V ≤ VI ≤ 30V 1mA ≤ IO ≤ 40mA

14.2

5

-

15.7

5

V

17.5V ≤ VI ≤

VMAX (Note 2)

1mA ≤ IO ≤ 70mA

14.2

5

-

15.7

5

V

TJ = 25°C

- 2.1 6.0 mA

20V ≤ VI ≤ 30V

-

- 1.5 mA

1mA ≤ IO ≤ 40mA

-

- 0.1 mA

TA = 25°C, 10Hz ≤ f ≤ 100kHz

- 90 - μV/Vo

IO = 5mA

- -1.3 - mV/°C

f = 120Hz, 18.5V ≤ VI ≤ 28.5V, TJ = 25°C 34 60 - dB

TJ = 25°C

- 1.7 -

V

Note:

1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length

of the package. The data above represent pulse test conditions with junction temperature as indicated at the initiation of tests.

2. Power dissipation PD ≤ 0.75W.

8

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