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KA7812A 数据手册 - Fairchild（飞兆/仙童）
制造商:
Fairchild（飞兆/仙童）
封装:
TO-220
描述:
3端子1A正电压稳压器 3-Terminal 1A Positive Voltage Regulator
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KA7812A数据手册
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KA78XX/KA78XXA
3
Electrical Characteristics (KA7806/KA7806R)
(Refer to test circuit ,0
°
C < T
J
< 125
°
C, I
O
= 500mA, V
I
=11V, C
I
= 0.33µF, C
O
=0.1µF, unless otherwise specified)
Note:
1. 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.
Parameter Symbol Conditions
KA7806
Unit
Min. Typ. Max.
Output Voltage V
O
T
J
=+25
o
C 5.75 6.0 6.25
5.0mA ≤ I
O
≤ 1.0A, P
O
≤ 15W
V
I
= 8.0V to 21V 5.7 6.0 6.3
V
Line Regulation (Note1) Regline T
J
=+25
o
C
V
I
= 8V to 25V - 5 120
mV
V
I
= 9V to 13V - 1.5 60
Load Regulation (Note1) Regload T
J
=+25
o
C
I
O
=5mA to 1.5A - 9 120
mV
I
O
=250mA to750mA - 3 60
Quiescent Current I
Q
T
J
=+25
o
C-5.08.0mA
Quiescent Current Change ∆I
Q
I
O
= 5mA to 1A - - 0.5
mA
V
I
= 8V to 25V - - 1.3
Output Voltage Drift ∆V
O
/∆TI
O
= 5mA - -0.8 -
mV/
o
C
Output Noise Voltage V
N
f = 10Hz to 100KHz, T
A
=+25
o
C-45-µV/Vo
Ripple Rejection RR
f = 120Hz
V
I
= 9V to 19V
59 75 - dB
Dropout Voltage V
Drop
I
O
= 1A, T
J
=+25
o
C-2-V
Output Resistance r
O
f = 1KHz - 19 - mΩ
Short Circuit Current I
SC
V
I
= 35V, T
A
=+25
o
C - 250 - mA
Peak Current I
PK
T
J
=+25
o
C-2.2-A
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