KA79LXXA データシートの表示（PDF） - Fairchild Semiconductor

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KA79LXXA

3-Terminal 0.1A Negative Voltage Regulator

Fairchild Semiconductor 

KA79LXXA

Electrical Characteristics (KA79L08A) (Continued)

(VI = -14V, 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

-7.7 -8.0 -8.3 V

Line Regulation (Note1)

∆VO TJ =+25°C

-10.3V ≥ VI ≥ -23V

-

- 175 mV

-12V ≥ VI ≥ -23V

-

- 125 mV

Load Regulation (Note1)

∆VO TJ =+25°C

1.0mA ≤ Io ≤ 100mA -

1.0mA ≤ Io ≤ 40mA

-

- 80 mV

- 40 mV

Output Voltage

VO

-10.3V ≥ VI ≥ -23V, 1.0mA ≤ Io ≤ 40mA -7.6

VI = -14V, 1.0mA ≤ Io ≤ 70mA

-7.6

-

-

-8.4

V

-8.4

Quiescent Current

Tj =+25°C

IQ

Tj = +125°C

-

- 6.0

mA

-

- 5.5

Quiescent Current With Line

Change

With Load

∆IQ

-11.7V ≥ VI ≥ -23V

1.0mA ≤ Io ≤ 40mA

-

- 1.5 mA

-

- 0.1 mA

Output Noise Voltage

VN Tj = +25°C,10Hz ≤ f ≤ 100kHz

- 50 - µV

Ripple Rejection

RR f = 120Hz, -11V ≥ VI ≥ -21V , Tj = +25°C 39 55 - 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.

3

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