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LT3579 Datasheet(PDF) 34 Page - Linear Technology

Part # LT3579
Description  6A Boost/Inverting DC/DC Converter with Fault Protection
PDF  40 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3579 Datasheet(HTML) 34 Page - Linear Technology

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LT3579/LT3579-1
34
35791f
VIN
9V TO 16V
VOUT2
100V
330mA*
VOUT1
67V
500mA*
L1
10μH
C4
2.2μF
2
C3
2.2μF
2
C5
2.2μF
2
C6
2.2μF
2
C2
2.2μF
3
C1
2.2μF
3
CIN: 10μF, 25V, X7R, 1210
C1-C6: 2.2μF, 50V, X7R, 1210
D1-D6: DIODES INC SBR2A40P1
D7: CENTRAL SEMI CMDSH-3TR
D8: CENTRAL SEMI CMDZ5237B-LTZ
D9: DIODES INC MBRM360
L1: WÜRTH WE-PD 7447710
M1: SILICONIX SI7461DP
M1**
100k
CIN
10μF
SW1 SW2
VIN
FB
CLKOUT
VC
SS
GND
GATE
FAULT
SYNC
RT
SHDN
LT3579
3579 TA17
383k
6.5k**
34k
470pF
2.2μF
27pF
86.6k
536k
VIN
D2
D8**
8.2V
D3
D5
D4
D6
D1
D9**
*MAX TOTAL
OUTPUT POWER
22W (VIN = 9V)
27W (VIN = 12V)
33W (VIN = 16V)
**OPTIONAL FOR OUTPUT
SHORT CIRCUIT PROTECTION
D7**
TYPICAL APPLICATION
VFD (Vacuum Flourescent Display) Power Supply Switches at 1MHz
Efficiency and Power Loss (VIN = 12V)
Cycle-to-Cycle
TOTAL OUTPUT POWER (W)
0
65
80
85
75
70
90
0
3
4
2
1
5
520
25
30
10
3579 TA18
15
1μs/DIV
VOUT1
2V/DIV
AC COUPLED
SW1
20V/DIV
VOUT2
2V/DIV
AC COUPLED
IL
1A/DIV
3579 TA19
Danger High Voltage! Operation by High Voltage Trained Personnel Only



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