参数资料
型号: LT3485EDD-0#TRPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO10
封装: 3 X 3 MM, LEAD FREE, PLASTIC, MO-229WEED-2, DFN-10
文件页数: 8/20页
文件大小: 339K
代理商: LT3485EDD-0#TRPBF
LT3485-0/LT3485-1/
LT3485-2/LT3485-3
16
34850123fb
Figure 11. LT3485-3 Photoflash Charger Uses High Efficiency 3mm Tall Transformer
Figure 10. LT3485-2 Photoflash Charger Uses High Efficiency 4mm Tall Transformer
TYPICAL APPLICATIO S
U
C2
0.22
F
VIN
2.5V TO 8V
DONE
CHARGE
C1
4.7
F
R1
100k
T1
1:10.2
VBAT
1.8V TO 8V
320V
3485 F10
COUT
PHOTOFLASH
CAPACITOR
C1: 4.7
F, X5R OR X7R, 10V
C2: 0.22
F, X5R or X7R, 10V
T1: KIJIMA MUSEN PART# SBL-5.6-1, LPRI = 10H, N = 10.2
D1: DIODES INC MMBD3004S DUAL DIODE CONNECTED IN SERIES
R1: PULL UP RESISTOR NEEDED IF DONE PIN USED
D1
CHARGE
VIN
VMONT
TO MICRO
TO GATE OF IGBT
IGBTOUT
IGBTPWR
IGBTIN
DONE
LT3485-2
GND
VBAT
SW
C2
0.22
F
VIN
2.5V TO 8V
DONE
CHARGE
C1
4.7
F
R1
100k
T1
1:10.2
VBAT
1.8V TO 8V
320V
3485 F11
COUT
PHOTOFLASH
CAPACITOR
C1: 4.7
F, X5R OR X7R, 10V
C2: 0.22
F, X5R or X7R, 10V
T1: TDK LDT565630T-041, LPRI = 4.7H, N = 10.4
D1: DIODES INC MMBD3004S DUAL DIODE CONNECTED IN SERIES
R1: PULL UP RESISTOR NEEDED IF DONE PIN USED
D1
CHARGE
VIN
VMONT
TO MICRO
TO GATE OF IGBT
IGBTOUT
IGBTPWR
IGBTIN
DONE
LT3485-3
GND
VBAT
SW
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