参数资料
| 型号： | LM7809CT |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 13/24页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 9V 1A TO-220-3 |
| 产品变化通告： | Heatsink Pkg Change 29/Nov 2007 |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 9V |
| 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： | -40°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 |
| 产品目录页面： | 1220 (CN2011-ZH PDF) |
Electrical Characteristics (LM7809A)
Refer to the test circuit, 0°C < T J < 125°C, I O = 1 A, 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
8.82
9.00
9.16
V O
Output Voltage
I O = 5 mA to 1 A, P O ≤ 15 W,
V I = 11.2 V to 24 V
8.65
9.00
9.35
V
V I = 11.7 V to 25 V, I O = 500 mA
6.0
90.0
T J = +25 ° C
Regline
Line Regulation (22)
V I = 12.5 V to 19 V
V I = 11.5 V to 24 V
V I = 12.5 V to 19 V
4.0
6.0
2.0
45.0
90.0
45.0
mV
T J = +25 ° C, I O = 5 mA to 1.5 A
12.0
100.0
Regload
Load Regulation
(22)
I O = 5 mA to 1 A
12.0
100.0
mV
I O = 250 mA to 750 mA
5.0
50.0
I Q
Δ I Q
Quiescent Current
Quiescent Current
Change
T J = +25 ° C
I O = 5 mA to 1 A
V I = 12 V to 25 V, I O = 500 mA
V I = 11.7 V to 25 V, T J = +25 ° C
5.0
6.0
0.5
0.8
0.8
mA
mA
Δ V O / Δ T
Output Voltage Drift
(23)
I O = 5 mA
-1.0
mV/ ° C
V N
RR
V DROP
R O
I SC
Output Noise Voltage
Ripple Rejection (23)
Dropout Voltage
Output Resistance (23)
Short-Circuit Current
f = 10 Hz to 100 kHz, T A = +25 ° C
f = 120 Hz, V O = 500 mA,
V I =12 V to 22 V
I O = 1 A, T J = +25 ° C
f = 1 kHz
V I = 35 V, T J = +25 ° C
10.0
62.0
2.0
17.0
250
μ V/V O
dB
V
m Ω
mA
I PK
Peak Current
(23)
T J = +25 ° C
2.2
A
Notes:
22. 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.
23. These parameters, although guaranteed, are not 100% tested in production.
? 2006 Fairchild Semiconductor Corporation
LM78XX / LM78XXA Rev. 1.3.0
13
www.fairchildsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM7809CT_12 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:3-Terminal 1A Positive Voltage Regulator |
| LM7809D-XX-AR | 制造商:TAITRON 制造商全称:TAITRON Components Incorporated 功能描述:1A Positive Voltage Regulator |
| LM7809D-XX-BL | 制造商:TAITRON 制造商全称:TAITRON Components Incorporated 功能描述:1A Positive Voltage Regulator |
| LM7809D-XX-TR30 | 制造商:TAITRON 制造商全称:TAITRON Components Incorporated 功能描述:1A Positive Voltage Regulator |
| LM7809D-XX-TU | 制造商:TAITRON 制造商全称:TAITRON Components Incorporated 功能描述:1A Positive Voltage Regulator |
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