KA79LXXA View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

View to exact match

KA79LXXA

3-Terminal 0.1A Negative Voltage Regulator

Fairchild Semiconductor 

KA79LXXA

Electrical Characteristics(KA79L24A) (Continued)

(VI = -33V, IO = 40mA, CI = 0.33µF, CO = 0.1µF, 0°C ≤TJ ≤ +125°C, unless otherwise specified)

Parameter

Symbol

Conditions

Min. Typ. Max. Unit

Output Voltage

VO TJ = +25°C

-23 -24 -25 V

Line Regulation (Note1)

∆VO TJ = +25°C

-27V ≥ VI ≥ -38V

-28V ≥ VI ≥ -38V

-

- 350 mV

-

- 300 mV

Load Regulation (Note1)

∆VO TJ = +25°C

1.0mA ≤ IO ≤100mA

1.0mA ≤ IO ≤ 40mA

-

-

- 200 mV

- 100 mV

Output Voltage

VO

-27V ≥ VI ≥ -38V, 1.0mA ≤ IO ≤ 40mA -22.8 - -25.2 V

VI = -33V, 1.0mA ≤ IO ≤ 70mA

-22.8 - -25.2 V

Quiescent Current

TJ = +25°C

IQ

TJ = +125°C

-

- 6.5

mA

-

- 6.0

Quiescent Current With Line ∆IQ

Change

With Load ∆IQ

-28V ≥ VI ≥ -38V

1.0mA ≤ IO ≤ 40mA

-

- 1.5 mA

-

- 0.1 mA

Output Noise Voltage

VN TA = +25°C,10Hz ≤ f ≤100kHz

- 200 -

µV

Ripple Rejection

RR

f = 120Hz, -29V ≥ VI ≥ -35V

TJ = +25°C

31 47 - dB

Dropout Voltage

VD TJ = +25°C

- 1.7 -

V

Note

1. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken

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

7

Share Link: