LTC4354 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC4354 Datasheet PDF : 16 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LTC4365
UV Threshold vs Temperature
507.5
VIN = VOUT = 12V
505.0
502.5
500.0
497.5
495.0
492.5
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4365 G10
UV/OV Propagation Delay vs
Overdrive
20
VIN = VOUT = 12V
T = 25°C
16
12
OV Threshold vs Temperature
507.5
VIN = VOUT = 12V
505.0
502.5
500.0
497.5
495.0
492.5
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4365 G11
Recovery Delay Time vs
Temperature
50
40
VIN = 34V
VIN = 12V
30
8
20
VIN = 2.5V
4
10
0
0
1
10
100
1000
–50 –25 0 25 50 75 100 125
OVERDRIVE (mV)
TEMPERATURE (°C)
4365 G13
4365 G14
UV/OV Leakage vs Temperature
1.00
VUV/OV = 0.5V
VIN = 12V
0.75
0.50
0.25
0
–75
UV
OV
–25 25
75 125 175
TEMPERATURE (°C)
4365 G12
Recovery Delay Time vs VIN
50
–45°C
125°C
40
25°C
30
20
10
0
0 5 10 15 20 25 30 35
VIN (V)
4365 G15
AC Blocking
1V/DIV
VOUT
VIN
20V/DIV
GATE
Turn-On Timing
GND
5V/DIV
100μF, 12Ω LOAD ON VOUT
60V SI9945 DUAL NCH MOSFET
VIN = 12V
GND
VOUT
10μF, 1k LOAD ON VOUT
60V DUAL NCH MOSFET
2.5ms/DIV
4365 G16
3V/DIV SHDN
250μs/DIV
Turn-Off Timing
GATE
GATE
5V/DIV
VOUT
100μF, 12Ω LOAD ON VOUT
60V SI9945 DUAL NCH MOSFET
GND
3V/DIV
GND
4365 G17
SHDN
250μs/DIV
GND
GND
4365 G18
4365f
5
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