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LTC3805 Datasheet(PDF) 4 Page - Linear Technology

Part # LTC3805
Description  Adjustable Frequency Current Mode Flyback DC/DC Controller
Download  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3805 Datasheet(HTML) 4 Page - Linear Technology

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LTC3805
4
3805fb
TEMPERATURE (°C)
–50
788
792
800
808
796
804
812
–25
0
25
50
3805 G01
75
100
125
TYPICAL PERFORMANCE CHARACTERISTICS
Reference Voltage
vs Temperature
Reference Voltage
vs Supply Voltage
Oscillator Frequency vs RFS
Oscillator Frequency
vs Supply Voltage
Oscillator Frequency
vs Temperature
RUN Undervoltage Lockout
Thresholds vs Temperature
RUN Hysteresis Current
vs Temperature
VCC Undervoltage Lockout
Thresholds vs Temperature
RFS (kΩ)
0
400
500
600
400
3805 G03
300
200
0
100
200
300
100
800
700
VCC (V)
4
0.799700
0.799800
0.799900
0.800000
0.800100
0.800200
0.800300
68
579
10
3805 G02
VCC (V)
4
201
202
203
8
3805 G04
200
199
567
9
198
197
196
RFS = 124kΩ
TEMPERATURE (°C)
–50
198
199
200
201
202
–25
0
25
50
3805 G05
75
100
125
RFS = 124kΩ
TEMPERATURE (°C)
–50
1.170
1.175
1.185
1.195
1.180
1.190
1.200
1.205
–25
0
25
50
3805 G06
75
100
125
VRUN(ON)
VRUN(OFF)
TEMPERATURE (°C)
–50
4.70
4.80
5.00
4.90
5.10
5.20
–25
0
25
50
3805 G07
75
100
125
TEMPERATURE (°C)
–50
3.50
4.50
6.50
8.50
5.50
7.50
9.50
–25
0
25
50
3805 G08
75
100
125
VTURN(ON)
VTURN(OFF)


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