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LTC3706EGN-PBF 查看數據表(PDF) - Linear Technology
零件编号
产品描述 (功能)
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LTC3706EGN-PBF
Secondary-Side Synchronous Forward Controller with PolyPhase Capability
Linear Technology
LTC3706EGN-PBF Datasheet PDF : 22 Pages
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LTC3706
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, unless otherwise noted.
V
CC
Supply Current
vs Input Voltage
7
f
OSC
= 200kHz
ALL GATES: C
LOAD
= 0
6
5
4
3
5
6
7
8
9
10
INPUT VOLTAGE (V)
3706 G01
Maximum Current Sense
Threshold vs ITH Voltage
100
80
60
40
20
0
0 0.5 1.0 1.5 2.0 2.5 3.0
ITH VOLTAGE (V)
3706 G04
Maximum Current Sense
Threshold vs Temperature
101.5
V
CC
Regulator Output Voltage
vs Temperature
7.06
7.04
7.02
7.00
6.98
6.96
6.94
6.92
6.90
6.88
6.86
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
3706 G02
IS Pins Source Current
400
300
200
100
CT-MODE: I
IS
+
0
–100
–200
–300
RS-MODE: (I
IS
+ + I
IS
–)
–400
–1
0123456
IS
+
, IS
–
COMMON MODE VOLTAGE (V)
3706 G05
RUN/SS ON Threshold
vs Temperature
470
101.0
460
100.5
450
100.0
440
99.5
430
99.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3706 G07
420
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3706 G08
Maximum Current Sense
Threshold vs Duty Cycle
100
R
SLP
= 0
80
100kΩ
60
R
SLP
= 50k
40
20
0
0
20
40
60
80
DUTY CYCLE (%)
3706 G03
IS Pins Source Current
vs Temperature
265
RS-MODE: (I
IS
+ + I
IS
–)
260
V
IS
+ = V
IS
– = 0V
255
250
245
240
235
230
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3706 G06
Oscillator Frequency
vs Temperature
5
4
3
2
R = 175KΩ
f
OSC
= 500kHz
1
0
–1
–2
–50
R = 75KΩ
f
OSC
= 100kHz
–25 0 25 50 75
TEMPERATURE (°C)
100 125
3706 G09
3706fd
5
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