LT3485EDD-1#TRPBF Linear Technology, LT3485EDD-1#TRPBF Datasheet - Page 15
![IC CHARGER PHOTOFLASH 10-DFN](/photos/6/59/65943/10-dfn_pkg_sml.jpg)
LT3485EDD-1#TRPBF
Manufacturer Part Number
LT3485EDD-1#TRPBF
Description
IC CHARGER PHOTOFLASH 10-DFN
Manufacturer
Linear Technology
Datasheet
1.LT3485EDD-3PBF.pdf
(20 pages)
Specifications of LT3485EDD-1#TRPBF
Applications
Photoflash Capacitor Charger, Xenon
Current - Supply
5mA
Voltage - Supply
1.7 V ~ 10 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
10-DFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TYPICAL APPLICATIO S
Figure 8. LT3485-0 Photoflash Charger Uses High Efficiency 4mm Tall Transformer
Figure 9. LT3485-1 Photoflash Charger Uses High Efficiency 3mm Tall Transformer
2.5V TO 8V
2.5V TO 8V
V
V
IN
IN
U
1.8V TO 8V
1.8V TO 8V
CHARGE
C1: 4.7µF, X5R OR X7R, 10V
C2: 0.22µF, X5R or X7R, 10V
T1: KIJIMA MUSEN PART# SBL-5.6-1, L
D1: DIODES INC MMBD3004S DUAL DIODE CONNECTED IN SERIES
R1: PULL UP RESISTOR NEEDED IF DONE PIN USED
CHARGE
C1: 4.7µF, X5R OR X7R, 10V
C2: 0.22µF, X5R or X7R, 10V
T1: KIJIMA MUSEN PART# SBL-5.6S-1, L
D1: DIODES INC MMBD3004S DUAL DIODE CONNECTED IN SERIES
R1: PULL UP RESISTOR NEEDED IF DONE PIN USED
DONE
DONE
V BAT
V BAT
C2
0.22µF
C2
0.22µF
R1
100k
R1
100k
C1
4.7µF
C1
4.7µF
IGBTIN
DONE
CHARGE
DONE
CHARGE
IGBTIN
V
V
V
V
IN
IN
BAT
BAT
LT3485-0
LT3485-1
IGBTOUT
IGBTOUT
V
V
MONT
MONT
SW
SW
PRI
GND
GND
PRI
= 10µH, N = 10.2
= 24µH, N = 10.2
1:10.2
3485 F08
1:10.2
3485 F09
T1
T1
TO MICRO
TO MICRO
TO GATE OF IGBT
TO GATE OF IGBT
D1
D1
LT3485-0/LT3485-1/
LT3485-2/LT3485-3
C
PHOTOFLASH
CAPACITOR
C
PHOTOFLASH
CAPACITOR
320V
320V
OUT
OUT
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