LTC2953I Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
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LTC2953I Datasheet PDF : 20 Pages
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LTC2953
TYPICAL PERFORMANCE CHARACTERISTICS
EN (LTC2953-1) Voltage vs VIN
1.0
TA = 25°C
100k PULL-UP FROM EN TO VIN
0.8
0.6
0.4
0.2
0
0
1
2
3
4
VIN (V)
'#! /
⎯E⎯N (LTC2953-2) Voltage vs VIN
4
TA = 25°C
100k PULL-UP FROM EN TO VIN
3
2
1
0
0
1
2
3
4
VIN (V)
2953 G11
⎯P⎯F⎯O Voltage vs VIN
4
TA = 25°C
PFI = 1V
100k PULL-UP FROM PFO TO VIN
3
2
1
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
VIN (V)
2953 G12
⎯R⎯S⎯T Voltage vs VIN
4
TA = 25°C
VM = 1V
100k PULL-UP FROM RST TO VIN
3
2
1
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
VIN (V)
2953 G13
Threshold Voltage (VM, ⎯P⎯F⎯I,
UVLO) vs Temperature
504
VIN = 3.3V
502
⎯R⎯S⎯T, ⎯I⎯N⎯T VOL vs Current Load
600
TA = 25°C
VIN = 3.3V
500
400
300
200
100
0
0
2
4
6
8
10
RST, INT CURRENT LOAD (mA)
2953 G14
EN/⎯E⎯N, ⎯P⎯F⎯O VOL vs Current Load
800
TA = 25°C
VIN = 3.3V
600
500
400
498
200
6
496
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
2953 G15
0
0 0.5 1 1.5 2 2.5 3
EN/EN, PFO CURRENT LOAD (mA)
2953 G16
2953f
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