参数资料
| 型号： | SPX29302T5-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 2/10页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 3A TO263-5 |
| 标准包装： | 500 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 可调至 1.25V |
| 输入电压： | 2.8 V ~ 16 V |
| 电压 - 压降（标准）： | 0.6V @ 3A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 3A |
| 电流 - 限制（最小）： | 3A |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-6，D²Pak（5 引线+接片），TO-263BA |
| 供应商设备封装： | TO-263-5 |
| 包装： | 带卷 (TR) |
| 其它名称： | SPX29302T5-L/TR-ND |
S P X 2 9 3 0 0 / 0 1 / 0 2
3 A L o w D r o p o u t V o l t a g e R e g u l a t o r
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of
the device at these ratings or any other above those
indicated in the operation sections of the specifications
below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may affect
reliability.
Input Voltage V IN1 ................................................... 20V
Storage Temperature .............................. -65°C to 150°C
Lead Temperature (Soldering, 5 sec) ..................... 260°C
ESD Rating (HBM - Human Body Model) ..........................
All pins except EN ................................................. 2kV
En pin ................................................................. 1kV
OPERATING RATINGS
Input Voltage Range V IN ........................................... 16V
Junction Temperature Range ....................-40°C to 125°C
Thermal Resistance ......................................................
TO-220-5 Junction to Ambient ....................... 29.3°C/W
TO-263-3 Junction to Ambient ....................... 31.4°C/W
TO-263-5 Junction to Ambient ....................... 31.2°C/W
TO-220-5, TO-263-3, TO-263-5 Junction to Case .. 3°C/W
Note 1: Maximum positive supply voltage of 20V must be
of limited duration (<100ms) and duty cycle of less than
1%. The maximum continuous supply voltage is 16V.
ELECTRICAL SPECIFICATIONS
Specifications with standard type are for an Operating Junction Temperature of T J = T A = 25°C only; limits applying over the
full Operating Junction Temperature range are denoted by a “?”. Minimum and Maximum limits are guaranteed through test,
design, or statistical correlation. Typical values represent the most likely parametric norm at T J = 25°C, and are provided for
reference purposes only. Unless otherwise indicated, V IN = V OUT + 1V and I OUT =10mA, C IN = 6.8μF, C OUT = 10μF, T A = 25°C.
Parameter
Min.
Typ.
Max.
Units
Conditions
Fixed Voltage Versions
Output Voltage, 1.8V Version
Output Voltage, 2.5V Version
Output Voltage, 3.3V Version
Output Voltage, 5.0V Version
1.782
1.764
2.475
2.450
3.267
3.234
4.950
4.900
1.800
1.800
2.500
2.500
3.300
3.300
5.000
5.000
1.818
1.836
2.525
2.550
3.333
3.366
5.050
5.100
V
V
V
V
?
?
?
?
I OUT =10mA
10mA ≤ I OUT ≤ 3A, 2.8V ≤ V IN ≤ 16V
I OUT =10mA
10mA ≤ I OUT ≤ 3A, 3.5V ≤ V IN ≤ 16V
I OUT =10mA
10mA ≤ I OUT ≤ 3A, 4.3V ≤ V IN ≤ 16V
I OUT =10mA
10mA ≤ I OUT ≤ 3A, 6.0V ≤ V IN ≤ 16V
All Voltage Versions
Line Regulation
Load Regulation
0.06
0.2
0.5
1
%
%
I OUT =10mA, (V OUT +1V) ≤ V IN ≤ 16V
V IN =V OUT + 1V, 10mA ≤ I OUT ≤ I FL (note 2)
Δ V/ Δ T
Dropout Voltage
Except 1.8V Version (note 3)
Ground Current (note 5)
Ground Pin Current at Dropout
Current Limit
Output Noise Voltage
Reference Voltage
Temperature Coefficient
3.0
20
120
380
600
30
40
0.9
4.5
400
260
20
100
300
800
60
ppm/ ? C
mV
mA
mA
A
μV RMS
ppm/ ? C
?
?
?
?
V OUT Temp Coefficient (note 6)
I OUT =100mA
I OUT =1.5A
I OUT =3A
I OUT =1.5A
I OUT =3A
V IN = 0.5V less than specified V OUT I OUT =10mA
V OUT =0V (note 4)
10Hz-100KHz, I OUT =100mA, C OUT =10μF
10Hz-100KHz, I OUT =100mA, C OUT =33μF
Note 7
Reference Voltage and Adjustable Pin - SPX29302
1.228
1.24 1.252
Reference Voltage
Adjust Pin Bias Current
1.215
1.203
40
1.265
1.277
80
120
V
nA
?
?
V REF ≤ V OUT ≤ (V IN -1), 2.3V ≤ V IN ≤ 16V
10mA ≤ I L ≤ I FL , T J <T JMAX
Adjust Pin Bias Current
Temperature Coefficient
0.1
nA/ ? C
? 2010 Exar Corporation
2/10
Rev. 2.1.0
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| SPX29302U5-L | 功能描述:低压差稳压器 - LDO 3A LOW DROPOUT WITH ENABLE 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 |
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