LT1641-1 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT1641-1 Datasheet PDF : 12 Pages
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LT1641-1/LT1641-2
TYPICAL PERFOR A CE CHARACTERISTICS
Gate Drive vs Temperature
16
15
VCC = 48V
14
13
12
11
10
9
8
VCC = 10.8V
7
6
–50 –25 0
25 50 75 100
TEMPERATURE (°C)
1641-1 G07
Gate Drive vs VCC
16
14
TA = 25°C
12
10
8
6
0
20
40
60
80
VCC (V)
1641-1 G08
TIMER Pin Pull Up Current vs VCC
16
14
12
10
8
6
10
TA = –45°C
TA = 0°C
TA = 25°C
TA = 85°C
30
50
70
90
VCC (V)
1641-1 G10
ON Pin High Voltage Threshold vs
Temperature
1.335
1.330 VCC = 48V
1.325
1.320
1.315
1.310
1.305
1.300
1.295
1.290
1.285
–50 –25 0
25 50 75 100
TEMPERATURE (°C)
1641-1 G11
ON Pin Voltage Hysteresis vs
Temperature
0.100
VCC = 48V
0.090
0.080
0.070
0.060
0.050
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
1641-1 G13
PWRGD VOUT Low vs ILOAD
20
18 VCC = 48V
16
14
12
10
8
TA = –45°C
6
4
TA = 25°C
2
TA = 85°C
0
10
30
50
70
90
ILOAD (mA)
1641-1 G14
4
TIMER Pin Pull Up Current vs
Temperature
–40
VCC = 48V
–50
–60
–70
–80
–90
–100
–110
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
1641-1 G09
ON Pin Low Voltage Threshold vs
Temperature
1.239
1.237 VCC = 48V
1.235
1.233
1.231
1.229
1.227
1.225
1.223
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
1641-1 G12
SENSE Pin Regulation Voltage vs
VFEEDBACK
50
45 VCC = 48V
TA = 25°C
40
35
30
25
20
15
10
5
0
0
0.2 0.4 0.6 0.8
1
VFEEDBACK (V)
1641-1 G15
164112fc
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