SPX2945M3 Просмотр технического описания (PDF) - Signal Processing Technologies
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SPX2945M3 Datasheet PDF : 15 Pages
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SPX2945/46/47
ABSOLUTE MAXIMUM RATINGS
Power Dissipation..........................................Internally Limited
Lead Temp. (Soldering, 5 Seconds) ................................ 260°C
Storage Temperature Range .............................. -65° to +150°C
Operating Junction Temperature Range (Note 9)
SPX2945/46/47...................................... -40C° to +125°C
ESD Rating ................................................................ 2KV Min
Operating Supply Voltage .........................................................
Input Supply Voltage .....................................+3.0V to +60V
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 at VIN =VOUT±15V,TA=25°C, unless otherwise specified. Boldface applies over the
full operating temperature range.
PARAMETER
3.3V Version
Output Voltage
5.0V Version
Output Voltage
All Voltage Options
CONDITIONS
(Note 2)
1mA ≤IL ≤ 500mA
1mA ≤IL ≤ 500mA
SPX2945/46
UNITS
Typ.
Min
Max
3.3
3.267
3.333
V
3.3
3.217
3.382
5.0
4.950
5.050
V
5.0
4.880
5.120
SPX2945/46/47
Output Voltage
Temperature Coefficient
Line Regulation ( Note 3)
Load Regulation ( Note 3 )
Dropout Voltage
( Note 5 )
Ground Current
Current Limit
Thermal Regulation
20
(Note 1)
6V ≤ VIN ≤30V (Note 4)
0.03
IL = 1 to 500mA
0.04
IL = 0.1 to 1mA
IL = 1mA
60
IL = 500mA
350
IL = 1mA
50
IL = 150mA
0.5
IL = 300mA
4
IL = 500mA
5
VOUT = 0
0.05
100
ppm/°C
0.1
%max
0.40
0.20
%max
0.30
100
mV
150
400
500
100
µA
150
1
mA
2
8
10
10
15
700
mA
800
0.2
%/w
Output Noise, 10Hz to 100kHz
IL = 100mA
Adjustable Versions only
Reference Voltage
Reference Voltage
CL = 2.2µF
CL = 33µF
Over Temperature (Note 6)
400
260
Typ
1.235
SPX2945/47
1.210
1.260
1.200
1.270
1.185
1.285
µV Vrms
V
V
Feedback Pin Bias Current
20
Reference Voltage Temperature
(Note 7)
50
Coefficient
Feedback Pin Bias Current
0.1
Temperature Coefficient
40
nA
60
ppm/°C
nA/°C
Rev. 10/25/00
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