参数资料
| 型号： | SPX1521M3-L-3-3 |
| 厂商： | Exar Corporation |
| 文件页数： | 2/8页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.3V .3A SOT223-3 |
| 标准包装： | 78 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 3.3V |
| 输入电压： | 最高 6.5V |
| 电压 - 压降（标准）： | 0.3V @ 300mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 300mA |
| 电流 - 限制（最小）： | 330mA |
| 工作温度： | -45°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 Temp. (Soldering, 5 Seconds) .............................................. 260°C
Storage Temperature Range ......................................... -65°C to + 50°C
Operating Junction Temperature Range ...................... -40°C to + 25°C
Input Supply Voltage................................................... -20V to +20V
Shutdown Input Voltage...................................................-0.6V to +6.5V
ESD Rating ................................................................................2kV Min
ELECTRICAL CHARACTERISTICS
Electrical characteristics at V IN = 6V, I O = mA, C OUT = 2.2μF, T A = 25°C, unless otherwise specified.
Boldface applies over the full operating temperature range.
PARAMETER
CONDITIONS
(Note 2)
TYP
MIN
MAX
UNITS
3.3V Version
Output Voltage
Reverse Output Current
5.0V Version
Output Voltage
Reverse Output Current
All Voltage Options
Output Voltage
m A ≤ I L ≤ 300 mA
V OUT = 3.3V, V IN = 0V
m A ≤ I L ≤ 300 mA
V OUT = 5.0V, V IN = 0V
3.3
3.3
6
5.0
5.0
6
20
3.267
3.217
4.950
4.880
3.333
3.382
25
5.050
5.120
25
100
V
μA
V
μA
ppm/°C
Temperature Coefficient
(Note1)
Line Regulation
Load Regulation (Note 3)
Dropout Voltage (Note 5)
Ground Current
Current Limit
Ripple Rejection
Input Reverse Leakage Current
6V ≤ V IN ≤ 20V (Note 4)
I L = to 300mA
I L = mA
I L =300mA
I L = mA
I L = 0mA
I L =50mA
I L = 00mA
I L =300mA
V OUT =0
V IN -V OUT = V(Avg),
V RIPPLE =0.5Vp-p,
F RIPPLE = 20Hz, I LOAD = 50mA
V IN = -20V, V OUT =0V
1.5
4
0. 3
0.30
100
350
1.5
2
5
330
58
50
20
20
30
0. 7
0.25
0.55
0.70
150
500
3
6
14
500
1.0
mV
mV
V
μA
mA
mA
dB
mA
Note 1: Output or reference voltage temperature coefficients defined as the worst case voltage change divided
by the total temperature range.
Note 2: Unless otherwise specified all limits are guaranteed for T j = 25°C, V IN = 6V, I L = mA and C L = 2.2μF.
Note 3: Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle.
Changes in output voltage due to heating effects are covered under the specification for thermal regulation.
Note 4: Line regulation for the SPX 52 is tested at 25°C for I L = mA. For T J = 25°C, line regulation is
guaranteed by design.
Note 5: Dropout voltage is defined as the input to output differential at which the output voltage drops 100 mV
below its nominal value measured at V differential.
May 5-07
SPX 52 300mA Low Dropout Voltage Regulator
2
? 2007 Sipex Corporation
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SPX1521M3-L-3-3/TR | 功能描述:低压差稳压器 - LDO 300mA 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 |
| SPX1521M3-L-5-0 | 功能描述:低压差稳压器 - LDO 300mA 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 |
| SPX1521M3-L-5-0/TR | 功能描述:低压差稳压器 - LDO 300mA 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 |
| SPX1521R | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:300mA Low Dropout Voltage Regulator |
| SPX1521R-2.5 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:300mA Low Dropout Voltage Regulator |
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