参数资料
型号: KA7818ETSTU
厂商: Fairchild Semiconductor
文件页数: 13/27页
文件大小: 0K
描述: IC REG LDO 18V 1A TO-220
产品变化通告: Heatsink Pkg Change 09/Oct/2007
标准包装: 1,000
稳压器拓扑结构: 正,固定式
输出电压: 18V
输入电压: 最高 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
Electrical Characteristics (KA7805AE)
Refer to the test circuit, 0 ° C < T J < +125 ° C, I o = 1 A, V I = 10 V, C I = 0.33 μ F, C O = 0.1 μ F, unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
T J =+25 ° C
4.9
5.0
5.1
V O
Output Voltage
I O = 5 mA to 1 A, P O ≤ 15 W,
V I = 7.5 V to 20 V
4.8
5.0
5.2
V
V I = 7.5 V to 25 V, I O = 500 mA
5.0
50.0
Regline
Line Regulation
(21)
V I = 8 V to 12 V
T J = +25 ° C
V I = 7.3 V to 20 V
V I = 8 V to 12 V
3.0
5.0
1.5
50.0
50.0
25.0
mV
T J =+25 ° C, I O = 5 mA to 1.5 A
9
100
Regload
Load Regulation
(21)
I O = 5 mA to 1 A
9
100
mV
I O = 250 mA to 750 mA
4
50
I Q
Quiescent Current
T J = +25 ° C
5
6
mA
I O = 5 mA to 1 A
0.5
Δ I Q
Quiescent Current Change
V I = 8 V to 25 V, I O = 500 mA
0.8
mA
V I = 7.5 V to 20 V, T J = +25 ° C
0.8
Δ V/ Δ T
V N
RR
V Drop
R O
I SC
Output Voltage Drift (22)
Output Noise Voltage
Ripple Rejection (22)
Dropout Voltage
Output Resistance (22)
Short-Circuit Current
I O = 5 mA
f = 10 Hz to 100 kHz, T A =+25 ° C
f = 120 Hz, I O = 500 mA,
V I = 8 V to 18 V
I O = 1 A, T J = +25 ° C
f = 1 kHz
V I = 35 V, T A = +25 ° C
-0.8
10
68
2
17
250
mV/ ° C
μ V/Vo
dB
V
m Ω
mA
I PK
Peak Current
(22)
T J = +25 ° C
2.2
A
Notes:
21. Load and line regulation are specified at constant junction temperature. Change in V O due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
22. These parameters, although guaranteed, are not 100% tested in production.
? 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
13
www.fairchildsemi.com
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