參數(shù)資料
型號: LT3579IUFD-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): 27/40頁
文件大?。?/td> 503K
代理商: LT3579IUFD-1#PBF
LT3579/LT3579-1
33
35791f
Typical applicaTion
VOUT
–12V
1.2A
COUT
10F
×2
L1
3.3H
L2
3.3H
C1
4.7F
D1
VIN
5V
VIN
SW1 SW2
35791 TA14
LT3579
71.5k
20k
143k
100k
FAULT
SHDN
FB
GATE
CLKOUT
VC
SYNC GND
SS
RT
1nF
0.22F
27pF
CIN
22F
CIN: 22F, 16V, X7R, 1210
C1: 4.7F, 25V, X7R, 1206
COUT: 10F, 25V, X7R, 1210
D1: DIODES INC B230A
L1, L2: COOPER BUSSMANN DRQ125-3R3-R
LOAD CURRENT (A)
0
20
EFFICIENCY
(%)
POWER
LOSS
(W)
60
70
80
90
50
40
30
100
0
1.6
2
2.4
2.8
1.2
0.8
0.4
3.2
0.5
0.75
1
1.25
0.25
35791 TA15
1.2MHz, 5V to -12V Inverting Converter
Efficiency and Power Loss
Transient Response with 0.5A to 1A to 0.5A Output Load Step
100s/DIV
VOUT
500mV/DIV
AC COUPLED
IL1 + IL2
1A/DIV
ILOAD
1A/DIV
35791 TA16
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