LT3585EDDB-3#TRPBF Linear Technology, LT3585EDDB-3#TRPBF Datasheet - Page 17

• Manufacturer Part Number: LT3585EDDB-3#TRPBF
• Description: IC CHARGER PHOTOFLASH 10-DFN
• Manufacturer: Linear Technology

Specifications of LT3585EDDB-3#TRPBF

• Applications: Photoflash Capacitor Charger, Xenon
• Current - Supply: 5mA
• Voltage - Supply: 1.5 V ~ 16 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL APPLICATIO S
2.5V TO 8V
2.5V TO 8V
Figure 13. LT3585-2 Uses High Effi ciency 3mm Tall Transformers
1.5V TO 8V
Figure 14. LT3585-3 Uses High Effi ciency 3mm Tall Transformers
1.5V TO 8V
CHARGE
CHARGE
DONE
U
DONE
V
V
V
BAT
V
BAT
IN
IN
C1: 4.7µF, 10V, X5R OR X7R
C2: 0.22µF, 10V, X5R OR X7R
RUBYCON 330V, 50µF PHOTOFLASH OUTPUT CAPACITOR (FW SERIES)
D1: VISHAY GSD2004S DUAL DIODE CONNECTED IN SERIES
R1: PULL-UP RESISTOR NEEDED IF DONE PIN USED
T1: TDK LDT565630T-041, L
C1: 4.7µF, 10V, X5R OR X7R
C2: 0.22µF, 10V, X5R OR X7R
RUBYCON 330V, 50µF PHOTOFLASH OUTPUT CAPACITOR (FW SERIES)
D1: VISHAY GSD2004S DUAL DIODE CONNECTED IN SERIES
R1: PULL-UP RESISTOR NEEDED IF DONE PIN USED
T1: TDK LDT565630T-003, L
C1
4.7µF
C2
0.22µF
C1
4.7µF
C2
0.22µF
R1
100k
R1
100k
DONE
CHRG/IADJ
V
IGBTPWR
IGBTIN
DONE
CHRG/IADJ
V
IGBTPWR
IGBTIN
IN
V
IN
V
BAT
BAT
LT3585-3
LT3585-2
IGBTPU
IGBTPD
IGBTPU
IGBTPD
SW
SW
PRI
PRI
GND
GND
= 4.7µH, N = 10.4
= 10.5µH, N = 10.2
20Ω TO 160Ω
20Ω TO 160Ω
1:10.4
•
1:10.2
R2
•
R2
T1
T1
•
•
D1
D1
+
+
TO GATE OF IGBT
TO GATE OF IGBT
C
PHOTOFLASH
CAPACITOR
C
PHOTOFLASH
CAPACITOR
OUT
OUT
LT3585-0/LT3585-1
LT3585-2/LT3585-3
3585 F14
3585 F13
320V
320V
17
3585f