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参数资料
| 型号： | LM7818ACT |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 6/24页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 18V 1A TO-220 |
| 产品变化通告： | Heatsink Pkg Change 29/Nov 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 (LM7809)
Refer to the test circuit, -40°C < T J < 125°C, I O = 500 mA, V I = 15 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
8.65
9.00
9.35
V O
Output Voltage
I O = 5 mA to 1 A, P O ≤ 15 W,
V I = 11.5 V to 24 V
8.60
9.00
9.40
V
Regline
Regload
I Q
Line Regulation (8)
Load Regulation (8)
Quiescent Current
T J = +25 ° C
T J = +25 ° C
T J =+25 ° C
V I = 11.5 V to 25 V
V I = 12 V to 17 V
I O = 5 mA to 1.5 A
I O = 250 mA to 750 mA
6.0
2.0
12.0
4.0
5.0
180.0
90.0
180.0
90.0
8.0
mV
mV
mA
Δ I Q
Δ V O / Δ T
V N
Quiescent Current
Change
Output Voltage Drift (9)
Output Noise Voltage
I O = 5 mA to 1 A
V I = 11.5 V to 26 V
I O = 5 mA
f = 10 Hz to 100 kHz, T A = +25 ° C
-1.0
58.0
0.5
1.3
mA
mV/ ° C
μ V/V O
RR
V DROP
Ripple Rejection (9)
Dropout Voltage
f = 120 Hz, V I = 13 V to 23 V
I O = 1 A, T J = +25 ° C
56.0
71.0
2.0
dB
V
R O
Output Resistance
(9)
f = 1 kHz
17.0
m Ω
I SC
Short-Circuit Current
V I = 35 V, T J = +25 ° C
250
mA
I PK
Peak Current
(9)
T J = +25 ° C
2.2
A
Notes:
8. 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.
9. These parameters, although guaranteed, are not 100% tested in production.
? 2006 Fairchild Semiconductor Corporation
LM78XX / LM78XXA Rev. 1.3.0
6
www.fairchildsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM7818ACT_12 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:3-Terminal 1A Positive Voltage Regulator |
| LM7818CK | 制造商:NSC 制造商全称:National Semiconductor 功能描述:3-Terminal Positive Voltage Regulators |
| LM7818CT | 功能描述:线性稳压器 - 标准 REGULATOR 18V 1A 4% RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| LM7818CT_12 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:3-Terminal 1A Positive Voltage Regulator |
| LM7818D-XX-AR | 制造商:TAITRON 制造商全称:TAITRON Components Incorporated 功能描述:1A Positive Voltage Regulator |
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