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参数资料
| 型号： | SPX3940T-1.8 |
| 元件分类： | 固定正电压单路输出LDO稳压器 |
| 英文描述： | 1.8 V FIXED POSITIVE LDO REGULATOR, 0.55 V DROPOUT, PSSO3 |
| 封装： | TO-263, 3 PIN |
| 文件页数： | 4/11页 |
| 文件大小： | 202K |
| 代理商： | SPX3940T-1.8 |
2
Date: 5/25/04
SPX3940 1A Low Dropout Voltage Regulator
Copyright 2004 Sipex Corporation
ABSOLUTE MAXIMUM RATINGS
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 Voltage (Note 5) ................................................................... 16V
NOTES:
Note 1: Dropout voltage is defined as the input to output differential when the output voltage drops to 99% of its normal value.
Note 2: VIN=VOUT (NOMINAL) + 1V. For example, use VIN=4.3V for a 3.3V regulator. Employ pulse-testing procedures to minimize temperature rise.
Note 3: Ground pin current is the regulator quiescent current. The total current drawn from the source is the sum of the load current to the ground current.
Note 4: Thermal regulation is defined as the change in the output voltage at a time T after a change in power dissipation is applied, excluding load or line regulation effects.
Note 5: Maximum positive supply voltage of 20V must be of limited duration (<100ms) and duty cycle (<1%). The maximum continuous supply voltage is 16V.
At V
IN=VOUT + 1V and IOUT = 10 mA, CIN = 6.8 F, COUT = 10F; TA= 25°C, unless otherwise specified.
The Boldface applies over the junction temperature range. Adjustable versions are set at 5.0V.
PARAMETER
CONDITIONS
TYP
MIN
MAX
MIN
MAX
UNITS
SPX3940A (1%)
SP3940 (2%)
1.8V Version
Output Voltage
IOUT = 10mA
1.8
1.782
1.818
1.764
1.836
V
10mA≤IOUT≤1A, 6V≤VIN≤16V
1.8
1.755
1.845
1.737
1.863
2.5V Version
Output Voltage
IOUT = 10mA
2.5
2.475
2.525
2.450
2.550
V
10mA≤IOUT ≤1A, 6V≤VIN≤16V
2.5
2.437
2.563
2.412
2.588
3.3V Version
Output Voltage
IOUT = 10mA
3.3
3.267
3.333
3.234
3.366
V
10mA≤IOUT ≤1A, 6V≤VIN≤16V
3.3
3.217
3.383
3.184
3.416
5.0V Version
Output Voltage
IOUT = 10mA
5.0
4.950
5.050
4.900
5.100
V
10mA≤IOUT ≤1A, 6V≤VIN≤16V
5.0
4.875
5.125
4.825
5.175
All Voltage Options
Line Regulation
IO=10mA, (VOUT+1V)≤VIN≤16V
0.2
1.0
%
Load Regulation
VIN=VOUT+1V, 10mA≤IOUT≤1A
0.3
1.5
%
V
Output Voltage
20
100
ppm/°C
T
Temperature Coef.
Dropout Voltage (Note 1)
IO =100mA
70
200
mV
(except 1.8V version)
IO =1A
280
550
Ground Current (Note 3)
IO =750mA, VIN=VOUT, + 1V
12
25
mA
IO =1A
18
IGNDDO Ground Pin
VIN=0.1V less than specified VOUT
1.2
mA
Current at Dropout
IOUT= 10mA
Current Limit
VOUT=0V (Note 2)
2.2
1.5
A
Output Noise Voltage
CL= 10F
400
VRMS
(10Hz to 100kHz)
IL=100mA
CL=33F
260
Thermal Resistance
TO-220 Junction to Case, at Tab
3
°C/W
TO-220 Junction to Ambient
60
TO-263 Junction to Case, at Tab
3
°C/W
TO-263 Junction to Ambient
60
SOT-223 Junction to Case, at Tab
15
°C/W
SOT-223 Junction to Ambient
150
ELECTRICAL CHARACTERISTICS
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相关代理商/技术参数 |
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|---|---|
| SPX3940T-2.5 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:1A Low Dropout Voltage Regulator Fixed Output, Fast Response |
| SPX3940T-2.5/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 |
| SPX3940T-3.3 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:1A Low Dropout Voltage Regulator Fixed Output, Fast Response |
| SPX3940T-3.3/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 |
| SPX3940T-5.0 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:1A Low Drop Out Voltage Regulator |
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