參數(shù)資料
型號: LTC3427EDC#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 0.5 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO6
封裝: 2 X 2 MM, LEAD FREE, PLSTIC, DFN-6
文件頁數(shù): 2/12頁
文件大?。?/td> 202K
代理商: LTC3427EDC#PBF
10
LTC3427
3427fa
TYPICAL APPLICATIO S
U
VIN
CIN
2.2
F
2-CELL
ALKALINE
VIN
1.8V TO 3.2V
SHDN
GND
1000k
604k
COUT
4.7
F
CIN: TAIYO YUDEN X5R JMK212BJ225MD
COUT: TAIYO YUDEN X5R JMK212BJ475MD
L1: TDK RLF7030T-4R7M3R4
3427 F03a
VOUT
3.3V
200mA
SW
OFF ON
LTC3427
L1
4.7
H
VOUT
FB
+
Figure 3. 2-Cell Alkaline to 3.3V Synchronous Boost Converter
2-Cell to 3.3V Efficiency
VIN
CIN
2.2
F
2-CELL
ALKALINE
VIN
1.8V TO 3.2V
SHDN
GND
1000k
332k
COUT
4.7
F
CIN: TAIYO YUDEN X5R JMK212BJ225MD
COUT: TAIYO YUDEN X5R JMK212BJ475MD
L1: TDK RLF7030T-4R7M3R4
3427 F04a
VOUT
5V
150mA
SW
OFF ON
LTC3427
L1
4.7
H
VOUT
FB
+
Figure 4. 2-Cell Alkaline to 5V Synchronous
Boost Converter with Output Disconnect
2-Cell to 5V Efficiency
LOAD CURRENT (mA)
1
70
EFFICIENCY
(%)
75
80
85
90
10
100
1000
3427 G01
65
60
55
50
95
100
VIN = 3.1V
VIN = 1.8V
VIN = 2.4V
LOAD CURRENT (mA)
1
70
EFFICIENCY
(%)
75
80
85
90
10
100
1000
3427 G03
65
60
55
50
95
100
VIN = 3.2V
VIN = 1.8V
VIN = 2.4V
VIN
CIN
2.2
F
Li-Ion
VIN
3.1V TO 4.2V
SHDN
GND
1000k
332k
COUT
4.7
F
CIN: TAIYO YUDEN X5R JMK212BJ225MD
COUT: TAIYO YUDEN X5R JMK212BJ475MD
L1: TDK RLF7030T-4R7M3R4
3427 TA02a
VOUT
5V
250mA
SW
OFF ON
LTC3427
L1
4.7
H
VOUT
FB
+
Li-Ion to 5V Synchronous Boost Converter
Li-Ion to 5V Efficiency
LOAD CURRENT (mA)
1
70
EFFICIENCY
(%)
75
80
85
90
10
100
1000
3427 G02
65
60
55
50
95
100
VIN = 4.2V
VIN = 3.1V
VIN = 3.6V
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