LT3585EDDB-0#TRPBF Linear Technology, LT3585EDDB-0#TRPBF Datasheet - Page 16

• Manufacturer Part Number: LT3585EDDB-0#TRPBF
• Description: IC CHARGER PHOTOFLASH 10-DFN
• Manufacturer: Linear Technology

Specifications of LT3585EDDB-0#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

LT3585-0/LT3585-1
LT3585-2/LT3585-3
TYPICAL APPLICATIO S
16
Figure 12. LT3585-1 Photofl ash Charger Uses High Effi ciency 2mm Tall Transformer
Figure 11. LT3585-0 Photofl ash Charger Uses High Effi ciency 3mm Tall Transformer
2.5V TO 8V
1.5V TO 8V
CHARGE
2.5V TO 8V
1.5V TO 8V
DONE
CHARGE
V
V
BAT
U
IN
DONE
V
V
BAT
IN
C1: 4.7µF, 10V, X5R OR X7R
C2: 0.22µF, 10V, X5R OR X7R
C
D1: VISHAY GSD2004S DUAL DIODE CONNECTED IN SERIES
R1: PULL-UP RESISTOR NEEDED IF DONE PIN USED
T1: TDK LDT565630T-001, L
C1
4.7µF
C2
0.22µF
OUT
C1: 4.7µF, 10V, X5R OR X7R
C2: 0.22µF, 10V, X5R OR X7R
C
D1: VISHAY GSD2004S DUAL DIODE CONNECTED IN SERIES
R1: PULL-UP RESISTOR NEEDED IF DONE PIN USED
T1: LTD565620ST-203, L
: RUBYCON 330V, 50µF PHOTOFLASH OUTPUT CAPACITOR (FW SERIES)
C1
4.7µF
C2
0.22µF
OUT
R1
100k
: RUBYCON 330V, 50µF PHOTOFLASH OUTPUT CAPACITOR (FW SERIES)
R1
100k
DONE
CHRG/IADJ
V
IGBTPWR
IGBTIN
IN
V
BAT
DONE
CHRG/IADJ
V
IGBTPWR
IGBTIN
LT3585-0
IN
V
BAT
LT3585-1
IGBTPU
IGBTPD
SW
PRI
GND
PRI
IGBTPU
IGBTPD
SW
= 6µH, N = 10.4
= 8.2µH, N = 10.2
GND
20Ω TO 160Ω
20Ω TO 160Ω
1:10.4
•
R2
T1
1:10.2
•
•
R2
T1
•
D1
+
D1
TO GATE OF IGBT
+
TO GATE OF IGBT
C
PHOTOFLASH
CAPACITOR
OUT
C
PHOTOFLASH
CAPACITOR
OUT
3585 F11
320V
3585 F12
320V
3585f