参数资料
| 型号： | SPX2945M3-L-5-0/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V .4A SOT223-3 |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 5V |
| 输入电压： | 最高 26V |
| 电压 - 压降（标准）： | 0.36V @ 400mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 400mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-261-4，TO-261AA |
| 供应商设备封装： | SOT-223 |
| 包装： | 带卷 (TR) |
ABSOLUTE MAXIMUM RATINGS
Power Dissipation ........................................................ Internally Limited
Lead Temp. (Soldering, 5 Seconds) ............................................. 260 ° C
Storage Temperature Range ........................................ -65 ° C to +150 ° C
Operating Junction Temperature Range ....................... -40 ° C to +125 ° C
Feedback Input Voltage ................................................ -1.5V to +26V
Shutdown Input Voltage ................................................ -0.3V to +26V
Error Comparator Output .............................................. -0.3V to +26V
ESD Rating ............................................................................ 2kV Min
Input Supply Voltage ......................................................... -20V to +26V
ELECTRICAL CHARACTERISTICS
Electrical characteristics at V IN = V O +1V, I O = 1mA, C OUT = 2.2 μ F, T A = 25 ° C, unless otherwise specified. The ? denotes
the specifications wich apply over full operating tempeture range -40 ° C to +85 ° C, unless noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
(Note 2)
3.3V Version
Output Voltage
1mA ≤ I L ≤ 400mA
3.267
3.217
3.3
3.3
3.333
3.382
?
V
5.0V Version
Output Voltage
1mA ≤ I L ≤ 400mA
4.950
4.880
5.0
5.0
5.050
5.120
?
V
All Voltage Options
Output Voltage
20
100
?
ppm/ ° C
Temperature Coefficient
(Note1)
Line Regulation (Note 3)
Load Regulation (Note 3)
6V ≤ V IN ≤ 20V (Note 4)
I L =1 to 400mA
1.5
6
20
20
?
mV
mV
30
?
Dropout Voltage (Note5)
I L =1mA
60
100
mV
150
?
I L =400mA
360
450
700
?
Ground Current
I L =1mA
100
200
μ A
300
?
I L =150mA
I L =300mA
I L =400mA
2
4
8
4
6
8
12
15
25
?
?
?
mA
Current Limit
Thermal Regulation
Output Noise, 10Hz to 100kHz,
V OUT =0
C L =2.2 μ F
330
0.05
400
800
0.2
?
mA
%/W
μ V RMS
I L =100mA
C L =33 μ F
260
PSRR at 100KHz
I L =100mA
C L =10 μ F
31
dB
Adjustable 8 Pin Version only
Reference Voltage
1.210
1.235
1.260
V
Reference Voltage
Feedback Pin Bias Current
Over Temperature
1.185
20
1.285
40
V
nA
60
?
Reference Voltage Temp.
Coefficient
Date: 3/14/06
20
SPX2945 400mA Low Dropout Voltage Regulator with Shutdown
2
ppm/ ° C
?Copyright 2006 Sipex Corporation
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相关代理商/技术参数 |
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| SPX2945R | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:500mA Low Drop Out Voltage Regulator with Shutdown |
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