参数资料
型号: KA7818ETSTU
厂商: Fairchild Semiconductor
文件页数: 6/27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 (KA7808E / KA7808ER)
Refer to test circuit, 0 ° C < T J < 125 ° C, I O = 500 mA, V I = 14 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
7.7
8.0
8.3
V O
Output Voltage
5.0 mA ≤ I O ≤ 1.0 A, P O ≤ 15 W,
V I = 10.5 V to 23 V
7.6
8.0
8.4
V
Regline
Regload
Line Regulation (7)
Load Regulation (7)
T J = +25 ° C
T J = +25 ° C
V I = 10.5 V to 25 V
V I = 11.5 V to 17 V
I O = 5.0 mA to 1.5 A
I O = 250 mA to 750 mA
5
2
10
5
160
80
160
80
mV
mV
I Q
Δ I Q
Δ V O / Δ T
V N
Quiescent Current
Quiescent Current
Change
Output Voltage Drift (8)
Output Noise Voltage
T J = +25 ° C
I O = 5 mA to 1.0 A
V I = 10.5 A to 25 V
I O = 5 mA
f = 10 Hz to 100 kHz, T A = +25 ° C
5
0.05
0.50
-0.8
52
8
0.50
1.00
mA
mA
mV/ ° C
μ V/Vo
RR
V Drop
Ripple Rejection
Dropout Voltage
(8)
f = 120 Hz, V I = 11.5 V to 21.5 V
I O = 1 A, T J = +25 ° C
56
73
2
dB
V
R O
Output
Resistance (8)
f = 1 kHz
17
m Ω
I SC
Short-Circuit Current
V I = 35 V, T A = +25 ° C
230
mA
I PK
Peak
Current (8)
T J = +25 ° C
2.2
A
Notes:
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.
8. These parameters, although guaranteed, are not 100% tested in production.
? 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
6
www.fairchildsemi.com
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