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KA7915 其他数据使用手册 - Winchester Electronics
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KA7915数据手册
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KA79XX / KA79XXA / LM79XX — 3-Terminal 1 A Negative Voltage Regulator
© 2002 Fairchild Semiconductor Corporation www.fairchildsemi.com
KA79XX / KA79XXA / LM79XX Rev. 1.1.1 4
Electrical Characteristics (KA7906)
(V
I
= -11 V, I
O
= 500 mA, 0°C ≤ T
J
≤ +125°C, C
I
= 2.2 μF, C
O
= 1 μF; unless otherwise specified.)
Note:
4. Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
Symbol Parameter Conditions Min. Typ. Max. Unit
V
O
Output Voltage
T
J
= +25°C -5.75 -6.00 -6.25
V
I
O
= 5 mA to 1 A, P
O
≤ 15 W,
V
I
= -9 V to -21 V
-5.70 -6.00 -6.30
ΔV
O
Line Regulation
(4)
T
J
= +25°C
V
I
= -8 V to -25 V 10 120
mV
V
I
= -9 V to -13 V 5 60
ΔV
O
Load Regulation
(4)
T
J
= +25°C, I
O
= 5 mA to 1.5 A 10 120
mV
T
J
= +25°C, I
O
= 250 mA to 750 mA 3 60
I
Q
Quiescent Current T
J
= +25°C36mA
ΔI
Q
Quiescent Current
Change
I
O
= 5 mA to 1 A 0.05 0.50
mA
V
I
= -8 V to -25 V 0.10 1.30
ΔVo/ΔT
Temperature Coefficient
of V
D
I
O
= 5 mA -0.5 mV/°C
V
N
Output Noise Voltage f = 10 Hz to 100 kHz, T
A
=+25°C130μV
RR Ripple Rejection f = 120 Hz, ΔV
I
= 10 V 54 60 dB
V
D
Dropout Voltage T
J
= +25°C, I
O
= 1 A 2 V
I
SC
Short-Circuit Current T
J
= +25°C, V
I
= -35 V 300 mA
I
PK
Peak Current T
J
= +25°C2.2A
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