MC79LXXA_10 Datasheet, PDF (6/12 Pages) Fairchild Semiconductor – 3-Terminal 0.1A Negative Voltage Regulator

MC79LXXA/LM79LXXA
Electrical Characteristics(MC79L18A) (Continued)
(VI = -27V, IO = 40mA, CI = 0.33μF, CO = 0.1μF, 0°C ≤TJ ≤ +125°C, unless otherwise specified)
Parameter
Output Voltage
Line Regulation (Note1)
Symbol
VO
ΔV_O
TJ = +25°C
T_J = +25°C
Conditions
-20.7V ≥ V_I ≥ -33V
-21V ≥ VI ≥ -33V
Min. Typ. Max. Unit
-17.3 -18.0 -18.7 V
-
- 325 mV
-
- 275 mV
Load Regulation (Note1)
ΔV_O
Output Voltage
VO
Quiescent Current
I_Q
Quiescent Current ^{With Line ΔIQ}
Change
With Load ΔI_Q
Output Noise Voltage
VN
Ripple Rejection
RR
Dropout Voltage
V_D
T_J = +25°C
1.0mA ≤ I_O ≤ 100mA
-
- 170 mV
1.0mA ≤ IO ≤ 40mA
-
-
85 mV
-20.7V > V_I > -33V, 1.0mA ≤ I_O ≤ 40mA -17.1 - -18.9 V
V_I = -27V, 1.0mA ≤ I_O ≤ 70mA
-17.1 - -18.9 V
T_J = +25°C
TJ = +125°C
-
- 6.5
mA
-
- 6.0
-21V ≥ V_I ≥ -33V
-
- 1.5 mA
1.0mA ≤ I_O ≤ 40mA
-
- 0.1 mA
TA =+25°C,10Hz ≤ f ≤ 100kHz
- 150 - μV
f = 120Hz, -23V ≥ V_I ≥ -33V
T_J = +25°C
33 48 - dB
T_J = +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.
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