參數(shù)資料
型號: LT3579EUFD-1#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PQCC20
封裝: 4 X 5 MM, LEAD FREE, PLASTIC, MO-220, QFN-20
文件頁數(shù): 28/40頁
文件大小: 503K
代理商: LT3579EUFD-1#PBF
LT3579/LT3579-1
34
35791f
VIN
9V TO 16V
VOUT2
100V
330mA*
VOUT1
67V
500mA*
L1
10H
C4
2.2F
×2
C3
2.2F
×2
C5
2.2F
×2
C6
2.2F
×2
C2
2.2F
×3
C1
2.2F
×3
CIN: 10F, 25V, X7R, 1210
C1-C6: 2.2F, 50V, X7R, 1210
D1-D6: DIODES INC SBR2A40P1
D7: CENTRAL SEMI CMDSH-3TR
D8: CENTRAL SEMI CMDZ5237B-LTZ
D9: DIODES INC MBRM360
L1: WRTH WE-PD 7447710
M1: SILICONIX SI7461DP
M1**
100k
CIN
10F
SW1 SW2
VIN
FB
CLKOUT
VC
SS
GND
GATE
FAULT
SYNC
RT
SHDN
LT3579
35791 TA17
383k
6.5k**
34k
470pF
2.2F
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
EFFICIENCY
(%)
POWER
LOSS
(W)
80
85
75
70
90
0
3
4
2
1
5
20
25
30
10
35791 TA18
15
1s/DIV
VOUT1
2V/DIV
AC COUPLED
SW1
20V/DIV
VOUT2
2V/DIV
AC COUPLED
IL
1A/DIV
35791 TA19
Danger High Voltage! Operation by High Voltage Trained Personnel Only
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