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| 型号： | MIC2941AWT |
| 厂商： | Micrel Inc |
| 文件页数： | 3/11页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 1.25A TO220-5 |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 1.24 V ~ 26 V |
| 输入电压： | 2 V ~ 26 V |
| 电压 - 压降（标准）： | 0.4V @ 1.25A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1.25A |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-220-5 |
| 供应商设备封装： | TO-220-5 |
| 包装： | 管件 |
| 产品目录页面： | 1096 (CN2011-ZH PDF) |
| 其它名称： | 576-1138 |
Across the full operating temperature, the minimum input voltage range
Micrel, Inc.
Absolute Maximum Ratings
If Military/Aerospace speci ? ed devices are required,
contact your local Micrel representative/distributor for
availability and speci ? cations
Power Dissipation (Note 1 ) .......................Internally Limited
Lead Temperature (soldering, 5 sec.)........................ 260°C
Storage Temperature ................................ –65°C to +150°C
Operating Junction Temperature .............. –40°C to +125°C
TO-220 ( θ JC ) ........................................................2°C/W
TO-263 ( θ JC ) ........................................................2°C/W
MIC2940A/2941A
Input Supply Voltage ...................................... –20V to +60V
Operating Input Supply Voltage .......................... 2V ? to 26V
Adjust Input Voltage ( Notes 9 and 10 ) ......... –1.5V to +26V
Shutdown Input Voltage ................................ –0.3V to +30V
Error Comparator Output Voltage ................. –0.3V to +30V
?
for full output current is 4.3V to 26V. Output will remain in-regulation at
lower output voltages and low current loads down to an input of 2V at
25°C.
Electrical Characteristics
Limits in standard typeface are for T J = 25°C and limits in boldface apply over the full operating temperature range.
Unless otherwise speci ? ed, V IN = V OUT + 1V, I L = 1000mA, C L = 10μF. The MIC2941A is programmed to output 5V and
has V SHUTDOWN 0.6V.
Symbol
V O
Parameter
Output Voltage Accuracy
Condition
Min
–1
–2
Typ
Max
1
2
Units
%
%
5 mA ≤ I L ≤ 1A
–2.5
2.5
%
? V O
? T
? V O
V O
V IN – V O
I GND
I GNDDO
I LIMIT
? V O
? P D
e n
Output Voltage Temperature
Coefficient
Line Regulation
Load Regulation
Dropout Voltage ( Note 4)
Ground Pin Current ( Note 5 )
Ground Pin Current at Dropout
( Note 5 )
Current Limit
Thermal Regulation
Output Noise Voltage
(10Hz to 100kHz)
I L = 100mA
(Note 2)
I O = 10mA, (V OUT + 1V) ≤ V IN ≤ 26V
I L = 5mA to 1.25A
I L = 5mA to 1A ( Note 3 )
I L = 5mA
I L = 250mA
I L = 1000mA
I L = 1250mA
I L = 5mA
I L = 250mA
I L = 1000mA
I L = 1250mA
V IN = 0.5V less than designed V OUT (V OUT 3.3)
I L = 5mA
V OUT = 0V ( Note 6 )
( Note 7 )
C L = 10μF
C L = 33μF
20
0.06
0.04
60
200
350
400
240
3
22
35
330
1.6
0.05
400
260
100
0.50
0.16
0.20
150
180
250
320
450
600
600
500
4.5
6
35
45
70
600
3.5
0.2
ppm/°C
%
%
%
mV
mV
mV
mV
mV
mV
mV
μA
mA
mA
mA
mA
mA
μA
A
%/W
μV RMS
μV RMS
July 2007
3
M9999-071307
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC2941AWT L3 | 制造商:Micrel 功能描述:LDO Regulator Pos 1.24V to 26V 1.25A 5-Pin(5+Tab) TO-220 |
| MIC2941AWT | 制造商:Micrel Inc 功能描述:Linear Voltage Regulator IC |
| MIC2941AWU | 功能描述:低压差稳压器 - LDO 1.25A LDO Adj+Shutdown(ROHS Compliant) RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MIC2941AWU TR | 功能描述:低压差稳压器 - LDO 1.25A LDO Adj+Shutdown(ROHS Compliant) RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MIC2941AWU | 制造商:Micrel Inc 功能描述:Linear Voltage Regulator IC |
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