LTC4252-1IMS8-TRPBF Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
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LTC4252-1IMS8-TRPBF Datasheet PDF : 36 Pages
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LTC4252-1/LTC4252-2
LTC4252A-1/LTC4252A-2
TYPICAL PERFORMANCE CHARACTERISTICS
VGATEH vs Temperature
3.6
VGATEH = VIN – VGATE,
3.4 IIN = 2mA
(MS ONLY)
3.2
3.0
2.8
2.6
2.4
2.2
2.0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G31
VGATEL vs Temperature
0.8
UV/0V = 4V
0.7 TIMER = 0V
GATE THRESHOLD
0.6 BEFORE RAMP-UP
0.5
0.4
0.3
0.2
0.1
0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G14
UV Threshold vs Temperature
3.375
3.275
3.175
3.075
VUVH
VUV
2.975
2.875
VUVL
2.775
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G15
OV Threshold vs Temperature
6.45
6.25
VOVH
6.05
5.85
5.65
VOVL
5.45
5.25
VOV
5.05
4.85
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G16
TIMER Threshold
vs Temperature
5.0
4.5
VTMRH
4.0
3.5
3.0
2.5
2.0
1.5
VTMRL
1.0
0.5
0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G19
ISENSE vs Temperature
–10
–12
–14
–16
–18
–20
–22
–24
UV/0V = 4V
–26 TIMER = 0V
–28 GATE = HIGH
VSENSE – VEE = 50mV
–30
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G17
ITMR (Initial Cycle, Sourcing)
vs Temperature
10
TIMER = 2V
9
8
7
6
5
4
3
2
1
0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G20
ISENSE vs (VSENSE – VEE)
0.01
0.1
1.0
10
100
UV/0V = 4V
TIMER = 0V
GATE = HIGH
1000
TA = 25°C
–1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0
(VSENSE – VEE) (V)
425212 G18
ITMR (Initial Cycle, Sinking)
vs Temperature
50
TIMER = 2V
45
40
35
30
25
20
15
10
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G21
425212fd
7
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