参数资料
型号: KA7818ETSTU
厂商: Fairchild Semiconductor
文件页数: 15/27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 (KA7810AE)
Refer to the test circuit, 0 ° C < T J < +125 ° C, I O = 1 A, V I = 16 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
9.8
10.0
10.2
V O
Output Voltage
I O = 5 mA to 1 A, P O ≤ 15 W,
V I = 12.8 V to 25 V
9.6
10.0
10.4
V
V I = 12.8 V to 26 V, I O = 500 mA
8.0
100.0
T J = +25 ° C
Regline
Line Regulation
(25)
V I = 13 V to 20 V
V I = 12.5 V to 25 V
V I = 13 V to 20 V
4.0
8.0
3.0
50.0
100.0
50.0
mV
Regload
Load Regulation (25)
T J = +25 ° C, I O = 5 mA to 1.5 A
I O = 5 mA to 1 mA
12
12
100
100
mV
I O = 250 mA to 750 mA
5
50
I Q
Quiescent Current
T J = +25 ° C
5.0
6.0
mA
I O = 5 mA to 1.0 A
0.5
Δ I Q
Quiescent Current Change
V I = 12.8 V to 25 V, I O = 500 mA
0.8
mA
V I = 13 V to 26 V, T J = +25 ° C
0.5
Δ V/ Δ T
Output Voltage
Drift (26)
I O = 5 mA
-1.0
mV/ ° C
Output Resistance
V N
RR
V Drop
R O
I SC
I PK
Output Noise Voltage
Ripple Rejection (26)
Dropout Voltage
(26)
Short-Circuit Current
Peak Current (26)
f = 10 Hz to 100 kHz, T A = +25 ° C
f = 120 Hz, I O = 500 mA,
V I = 14 V to 24 V
I O = 1 A, T J = +25 ° C
f = 1 kHz
V I = 35 V, T A = +25 ° C
T J = +25 ° C
10.0
62.0
2.0
17.0
250
2.2
μ V/Vo
dB
V
m Ω
mA
A
Notes:
25. 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.
26. These parameters, although guaranteed, are not 100% tested in production.
? 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
15
www.fairchildsemi.com
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