參數(shù)資料
型號: LT3581IDE#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PDSO14
封裝: 4 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-229WGED-3, DFN-14
文件頁數(shù): 25/36頁
文件大小: 498K
代理商: LT3581IDE#PBF
LT3581
3581f
Typical applicaTions
Efficiency
VBAT
3V TO 36V
(VBAT AT START-UP = 6V TO 16V)
100k
10k
24.9k
174k
C1
10F
2.2nF
3581 TA07a
1F
C5
47F
2
10k
VOUT
3.3V
0.9A (3V < VBAT < 9V)
1.5A (VBAT = 9V)
C2
10nF
Q1
C3
4.7F
C4
2.2F
SW1
SW2
FB
CLKOUT
GATE
VC
SS
VIN
RT
GND
SYNC
FAULT
SHDN
LT3581
47pF
C1: 10F, 50V, X7R, 1210
C2: 10nF, 25V, X7R, 0603
C3: 4.7F, 25V, X7R, 1206
C4: 2.2F, 50V, X7R, 1206
C5: 47F, 10V, X7R, 1210
D1: CENTRAL SEMI CMHZ5248B-LTZ
D2: CENTRAL SEMI CMMSH2-40
D3: DIODES INC. PD3S230H-7
L1, L2: COILCRAFT MSD7342-332MLB
M1: 2N7002
Q1: MMBT3904
L2
3.3H
L1
3.3H
D2
M1
D3
D1
18V
470pF
10k
200k
Wide Input Range, 3.3V SEPIC Converter Can Operate from 3V to 36V
Wide Input Range SEPIC Can Ride Through VBAT
Voltages that Are Higher than VIN_OVP
VBAT
10V/DIV
VOUT
2V/DIV
IL
2A/DIV
3581 TA07c
1s/DIV
VBAT = 17V
VBAT = 31V
VOUT = 3.3V
LOAD CURRENT (mA)
0
50
EFFICIENCY
(%)
55
65
70
75
400
80
3581 TA07b
60
1600
800
1200
VBAT = 3V
VBAT = 9V
VBAT = 12V
相關PDF資料
PDF描述
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相關代理商/技術參數(shù)
參數(shù)描述
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