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参数资料
| 型号： | SPX2940T3-L-12.0 |
| 元件分类： | 固定正电压单路输出LDO稳压器 |
| 英文描述： | 12 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PSSO2 |
| 封装： | TO-263, 3 PIN |
| 文件页数： | 4/9页 |
| 文件大小： | 165K |
| 代理商： | SPX2940T3-L-12.0 |
Rev. 10/24/00
SPX2940
ELECTRICAL CHARACTERISTICS VIN = VO + 5V, IO = 1A, CO = 22 F, unless otherwise specified. Boldface limits
apply over the entire operating temperature range of the indicated device. All other specifications apply for TA = TJ = 25
°C.
(Continued)
Output Voltage (VO)
12V
Units
Parameter
Conditions
Typ
SPX2940
Limit
(Note 5)
SPX2940/833
Limit
(Note 6)
13.6V < VIN < 26V
Output Impedance
100 mADC and
20 mArms,
fO = 120 Hz
80
1000/1000
m
Quiescent
Current
VO +2V < VIN < 26V,
IO = 5 mA
10
15/20
mA
VIN = VO + 5V, IO = 1A
30
45/60
50/60
mA
Output Noise Voltage
10 Hz - 100 kHz,
IO = 5 mA
360
1000/1000
VRMS
Ripple Rejection
fO = 120 Hz, 1 VRMS,
IO = 100 mA
66
54/48
dB
fO = 1 kHz, 1 Vrms,
IO = 5 mA
52/46
dB
Long Term
Stability
48
mV/
1000 Hr
Dropout Voltage
IO = 1A
0.5
0.8/1.0
0.7/1.0
V
IO = 100 mA
110
150/200
mV
Short Circuit
Current
(Note 7)
1.9
1.6
1.6/1.3
A
Maximum Line
Transient
RO = 100
, T < 100 ms
75
60/60
V
Reverse Polarity
DC Input Voltage
RO = 100
-30
-15/-15
V
Reverse Polarity
Transient Input
Voltage
RO = 100
, T < 20 ms
-75
-50/-50
V
相关PDF资料 |
PDF描述 |
|---|---|
| SPX2940T3-L-5.0 | 5 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PSSO2 |
| SPX2940U3-L-12.0 | 12 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PSFM3 |
| SPX2940U3-L-3.3 | 3.3 V FIXED POSITIVE LDO REGULATOR, PSFM3 |
| SPX2940U3-L-5.0 | 5 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PSFM3 |
| SPX2951CS-L-3.0 | FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PDSO8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SPX2940T-5.0 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:1A Low Dropout Voltage Regulator Fixed Output, Fast Response |
| SPX2940T-5.0/TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:1A Low Dropout Voltage Regulator Fixed Output, Fast Response |
| SPX2940T-5-0/TR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SPX2940T-L-1-8 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SPX2940T-L-2-5 | 功能描述:低压差稳压器 - LDO 1.0A LW DROPOUT VLT 1.5A PEAK OUTPT CURR 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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