LT3956 Просмотр технического описания (PDF) - Linear Technology
Номер в каталоге
Компоненты Описание
производитель
LT3956 Datasheet PDF : 20 Pages
| |||
LT3956
Typical Performance Characteristics TA = 25°C, unless otherwise noted.
FB Regulation Voltage (VFB)
vs Temperature
1.28
1.27
1.26
1.25
1.24
1.23
1.22
1.21
1.20
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3956 G04
VREF Voltage vs Temperature
2.04
2.03
2.02
2.01
2.00
1.99
1.98
1.97
1.96
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3956 G05
VREF Voltage vs VIN
2.04
2.03
2.02
2.01
2.00
1.99
1.98
1.97
1.96
0
20
40
VIN (V)
60
80
3956 G06
Switching Frequency vs RT
10000
Switching Frequency
vs Temperature
500
RT = 26.7k
EN/UVLO Hysteresis Current
vs Temperature
2.4
450
2.2
1000
400
2.0
100
350
1.8
10
10
RT (k)
100
3956 G07
Quiescent Current vs VIN
2.0
PWM = 0V
1.5
1.0
0.5
0
0
20
40
60
80
VIN (V)
3956 G10
300
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3956 G08
1.6
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3956 G09
SW Pin Current Limit
vs Temperature
4.4
4.2
4.0
3.8
3.6
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3956 G11
EN/UVLO Threshold
vs Temperature
1.28
1.26
EN/UVLO RISING
1.24
1.22
EN/UVLO FALLING
1.20
1.18
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3956 G12
3956f
Share Link: 