LTC3862 Datasheet, PDF (6/40 Pages) Linear Technology – Multi-Phase Current Mode Step-Up DC/DC Controller

LTC3862
TYPICAL PERFORMANCE CHARACTERISTICS
INTV_CC Line Regulation
5.25
5.00
4.75
0
5
10
15
20
25
INPUT VOLTAGE (V)
3962 G09
INTV_CC LDO Dropout vs Load
Current, Temperature
1600
1400
1200
1000
800
600
400
150°C
125°C
85°C
25°C
–40°C
200
0
0
10
20
30
40
50
INTV_CC LOAD (mA)
3862 G12
Feedback Voltage Line
Regulation
1.226
1.225
1.224
1.223
1.222
1.221
1.220
4
8 12 16 20 24 28 32 36
INPUT VOLTAGE (V)
3862 G15
INTV_CC Load Regulation
5.00
4.95
4.90
4.85
4.80
0
10
20
30
40
INTV_CC LOAD CURRENT (mA)
50
3862 G10
INTV_CC UVLO Threshold vs
Temperature
3.6
3.5
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3862 G13
Current Sense Threshold vs
ITH Voltage
80
70
60
50
40
30
20
10
0
0 0.4 0.8 1.2 1.6 2.0 2.4
ITH VOLTAGE (V)
3862 G16
INTV_CC vs Temperature
5.00
4.99
4.98
4.97
4.96
4.95
4.94
4.93
4.92
4.91
4.90
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3862 G11
Feedback Voltage vs Temperature
1.235
1.233
1.231
1.229
1.227
1.225
1.223
1.221
1.219
1.217
1.215
1.213
1.211
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3862 G14
Current Sense Threshold vs
Temperature
80
79
78
77
76
75
74
73
72
71
70
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3862 G17
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