参数资料
| 型号： | SPX2954AM3-L-5-0 |
| 厂商： | Exar Corporation |
| 文件页数： | 2/17页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V .25A SOT223-3 |
| 标准包装： | 78 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 5V |
| 输入电压： | 最高 30V |
| 电压 - 压降（标准）： | 0.31V @ 250mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 250mA |
| 工作温度： | -40°C ~ 125°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： | 管件 |
ABSOLUTE MAXIMUM RATINGS
Power Dissipation........................................Internally Limited
Lead Temperature (soldering, 5 seconds) ................260 ° C
Storage Temperature Range........................-65 ° C to +150 ° C
Operating Junction Temperature Range......-40 ° C to +125 ° C
Input Supply Voltage...........................................-0.3V to +30V
Feedback Input Voltage....................................-1.5V to +30V
Shutdown Input Voltage .................................-0.3V to +30V
Error Comparator Output...................................-0.3V to +30V
ESD Rating................................................................2kV Min
ELECTRICAL CHARACTERISTICS
V IN =V O + 1V, I L =100 μ A, C L =1 μ F ( NOTE 2), T A = 25 ° C, unless otherwise specified.
SPX2954A
SPX2954
PARAMETER
CONDITIONS
MIN.
TYP.
MAX
MIN. TYP. MAX.
UNIT
3.3 V Versions
Output Voltage
Output Voltage
T J =25 ° C
-25 ° C ≤ T J ≤ 85 ° C
Full Operating Temp.
100 μ A ≤ I L ≤ 250 mA
3.284
3.267
3.260
3.251
3.3
3.3
3.3
3.3
3.317
3.333
3.340
3.350
3.267
3.251
3.234
3.201
3.3
3.3
3.3
3.3
3.333
3.350
3.366
3.399
V
V
T J ≤ T JMAX
5 V Versions
Output Voltage
Output Voltage
T J = 25 ° C
-25 ° C ≤ T J ≤ 85 ° C
Full Operating Temp.
100 μ A ≤ I L ≤ 250 mA
4.975
4.950
4.940
4.925
5.0
5.0
5.0
5.0
5.025
5.050
5.060
5.075
4.950
4.925
4.900
4.850
5.0
5.0
5.0
5.0
5.050
5.075
5.100
5.150
V
V
T J ≤ T JMAX
All Voltage Options
Output Voltage
(N OTE 1)
20
100
50
150
ppm/ ° C
Temperature Coefficient
Line Regulation (N OTE 3) V O +1V ≤ V IN ≤ 30V |
0.03
0.10
0.04
0.20
%
(N OTE 4)
Load Regulation (N OTE 3) 100 μ A ≤ I L ≤ 250 mA
0.04
0.20
0.10
0.30
%
Dropout Voltage
(N OTE 5)
Ground Current
Current Limit
Thermal Regulation
Output Noise,
10Hz to 100kHz
I L = 1mA
I L = 100 mA
I L = 250 mA
I L = 1mA
I L = 100 mA
I L = 250 mA
V OUT = 0
C L = 1 μ F
C L = 200 μ F
60
290
310
150
3
10
270
0.05
430
160
100
450
500
170
6
14
550
0.2
60
290
310
150
3
10
270
0.05
430
160
100
450
500
170
6
14
550
0.2
mV
μ A
mA
mA
mA
%/W
μ V rms
μ V rms
C L = 3.3 μ F, Bypass=
100
100
μ V rms
0.01 μ F from Pin 7 to
Pin 1 (8 pin Versions)
8-Pin Versions only
Reference Voltage
1.220
1.235
1.250
1.210 1.235 1.260
V
Reference Voltage
Feedback Pin
Over Temp (N OTE 6)
1.190
40
1.270
60
1.185
40
1.285
60
V
nA
Bias Current
Vref Temperature
20
50
ppm/ ° C
Coefficient
Feedback I BIAS
0.1
0.1
nA/ ° C
Temperature Coefficient
Date: 12/9/05
SPX2954, 250mA Low Dropout Voltage Regulator
2
? Copyright 2005 Sipex Corporation
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SPX2954AM3-L-5-0/TR | 功能描述:低压差稳压器 - LDO 250mA LOW DROPOUT 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 |
| SPX2954AN-3.3 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:250 mA Low Drop Out Voltage Regulator |
| SPX2954AN-3-3 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:250mA Low Dropout Voltage Regulator |
| SPX2954AN-5.0 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:250mA Low Dropout Voltage Regulator |
| SPX2954AN-5-0 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:250mA Low Dropout Voltage Regulator |
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