参数资料
型号: KA7912TU
厂商: Fairchild Semiconductor
文件页数: 7/18页
文件大小: 0K
描述: IC REG LDO -12V 1A TO-220
产品变化通告: Heatsink Pkg Change 09/Oct/2007
标准包装: 50
稳压器拓扑结构: 负,固定式
输出电压: -12V
输入电压: 可下调至 -35V
电压 - 压降(标准): 2V @ 1A
稳压器数量: 1
电流 - 输出: 1A
工作温度: 0°C ~ 125°C
安装类型: 通孔
封装/外壳: TO-220-3
供应商设备封装: TO-220-3
包装: 管件
其它名称: KA7912TU-ND
KA7912TUFS
Electrical Characteristics (LM7910)
(V I = -17 V, I O = 500 mA, 0 ° C ≤ T J ≤ +125 ° C, C I = 2.2 μ F, C O =1 μ F; unless otherwise specified.)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
T J = +25 ° C
-9.6
-10.0
-10.4
V O
Output Voltage
I O = 5 mA to 1A, P d ≤ 15 W,
V I = -12 V to -28 V
-9.5
-10.0
-10.5
V
Δ V O
Line Regulation (7)
T J = +25 ° C
V I = -12.5 V to -28 V
V I = -14 V to -20 V
12
6
200
100
mV
Δ V O
I Q
Δ I Q
Δ Vo/ Δ T
V N
Load Regulation (7)
Quiescent Current
Quiescent Current
Change
Temperature Coefficient
of V O
Output Noise Voltage
T J = +25 ° C,
I O = 5 mA to 1.5 A
T J = +25 ° C,
I O = 250 mA to 750 mA
T J = +25 ° C
I O = 5 mA to 1 A
V I = -12.5 V to -28 V
I O = 5 mA
10 Hz ≤ f ≤ 100 kHz, T A =+25 ° C
12
4
3
0.05
0.10
-1
280
200
100
6
0.50
1.00
mV
mA
mA
mV/ ° C
μ V
RR
V D
I SC
I PK
Ripple Rejection
Dropout Voltage
Short-Circuit Current
Peak Current
f = 120 Hz, Δ V I = 10 V
T J = +25 ° C, I O = 1 A
T J = +25 ° C, V I = -35 V
T J = +25 ° C
54
60
2
300
2.2
dB
V
mA
A
Note:
7. 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.
? 2002 Fairchild Semiconductor Corporation
KA79XX / KA79XXA / LM79XX Rev. 1.1.0
7
www.fairchildsemi.com
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