lt3825 Linear Technology Corporation, lt3825 Datasheet - Page 4

• Manufacturer Part Number: lt3825
• Description: Isolated No-opto Synchronous Flyback Controller With Wide Input Supply Range
• Manufacturer: Linear Technology Corporation

LT3825
TYPICAL PERFORMANCE CHARACTERISTICS
4
1.240
1.239
1.238
1.237
1.236
1.235
1.234
1.233
1.232
1.231
1.230
110
108
106
104
102
100
16
15
14
13
12
11
10
98
96
94
92
90
9
8
–50
–50
–50
V
vs Temperature
SENSE Voltage vs Temperature
V
CC(0N)
FB = 1.1V
SENSE = V
WITH V
FB
–25
–25
–25
vs Temperature
SENSE
and V
SENSE
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
–
V
V
= 0V
CC(OFF)
CC(ON)
CC(OFF)
+
25
25
25
50
50
50
75
75
75
100
100
100
3825 G01
3825 G04
3825 G07
125
125
125
300
250
100
300
250
100
200
150
220
215
210
205
200
195
190
185
180
200
150
50
50
0
0
–50
–50
–50
V
vs Temperature
SENSE Fault Voltage
vs Temperature
Feedback Pin Input Bias
vs Temperature
SENSE = V
WITH V
R
CC
CMP
–25
–25
–25
Start-Up Current
OPEN
SENSE
SENSE
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
–
= 0V
+
25
25
25
50
50
50
75
75
75
100
100
100
3825 G02
3825 G05
3825 G08
125
125
125
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
110
108
106
104
102
100
10
98
96
94
92
90
8
7
6
4
3
9
5
–50
–50
–50
V
Oscillator Frequency
vs Temperature
V
V
CC
C
FB
CC
OSC
–25
–25
–25
Reset vs Temperature
Current vs Temperature
STATIC PART CURRENT
= 14V
= 100pF
0
DYNAMIC CURRENT C
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
C
SG
25
25
25
= 1nF, f
50
50
50
OSC
75
75
= 100kHz
75
PG
100
100
= 1nF,
100
3825 G09
3825 G03
3825 G06
3525fa
125
125
125