IC PHOTOFLASH CAP CHARGER 6-DFN

LT3484EDCB-0#TRMPBF

Manufacturer Part NumberLT3484EDCB-0#TRMPBF
DescriptionIC PHOTOFLASH CAP CHARGER 6-DFN
ManufacturerLinear Technology
LT3484EDCB-0#TRMPBF datasheet
 


Specifications of LT3484EDCB-0#TRMPBF

ApplicationsPhotoflash Capacitor ChargerCurrent - Supply5mA
Voltage - Supply1.7 V ~ 16 VOperating Temperature-40°C ~ 85°C
Mounting TypeSurface MountPackage / Case6-DFN
Lead Free Status / RoHS StatusLead free / RoHS CompliantOther namesLT3484EDCB-0#TRMPBFTR
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LT3484-0/LT3484-1/LT3484-2
U
TYPICAL APPLICATIO S
LT3484-0 Photoflash Circuit Uses Tiny 3mm Tall Transformer
V BAT
1.8V TO 8V
C1
4.7µF
6
V
BAT
V
CC
V
IN
2.5V TO 8V
3
C2
0.1µF
R1
LT3484-0
100k
DONE
DONE
1
CHARGE
CHARGE
2
C1: 4.7µF, X5R OR X7R, 10V
T1: TDK PART# LDT565630T-001, L
D1: VISHAY GSD2004S DUAL DIODE CONNECTED IN SERIES
R1: PULL UP RESISTOR NEEDED IF DONE PIN USED
LT3484-1 Photoflash Circuit Uses Tiny 3mm Tall Transformer
V BAT
1.8V TO 8V
C1
4.7µF
6
V
BAT
V
CC
V
IN
2.5V TO 8V
3
C2
0.1µF
R1
LT3484-1
100k
DONE
DONE
1
CHARGE
CHARGE
2
C1: 4.7µF, X5R OR X7R, 10V
T1: TDK PART# LDT565630T-002, L
D1: VISHAY GSD2004S DUAL DIODE CONNECTED IN SERIES
R1: PULL UP RESISTOR NEEDED IF DONE PIN USED
RELATED PARTS
PART NUMBER
DESCRIPTION
LTC3407
Dual 600mA (I
), 1.5MHz, Synchronous Step-Down DC/DC 96% Efficiency, V
OUT
Converter
LT3420/LT3420-1
1.4A/1A, Photoflash Capacitor Chargers with
Automatic Top-Off
LTC3425
5A I
, 8MHz, Multi-Phase Synchronous Step-Up DC/DC
SW
Converter
LTC3440
600mA (I
), 2MHz, Synchronous Buck-Boost DC/DC
OUT
Converter
LT3468/LT3468-1/
1.4A/0.7A/1A Photoflash Capacitor Chargers in ThinSOT™
LT3468-2
ThinSOT is a trademark of Linear Technology Corporation.
Linear Technology Corporation
12
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
T1
D1
1:10.4
320V
5, 6
4
7, 8
1
+
C OUT
PHOTOFLASH
4, 5
CAPACITOR
SW
GND
7
= 6µH, N = 10.4
PRI
3484 TA03
T1
D1
1:10.2
320V
5
4
8
1
+
C OUT
PHOTOFLASH
4, 5
CAPACITOR
SW
GND
7
= 14.5µH, N = 10.2
PRI
3484 TA04
COMMENTS
I
<1µA, MS10E Package
SD
Charges 220µF to 320V in 3.7 Seconds from 5V,
V
: 2.2V to 16V, I
IN
95% Efficiency, V
I
<1µA, QFN-32 Package
SD
95% Efficiency, V
I
= 25µA, I
Q
Charges 100µF to 320V in 4.6 Seconds from 5V, V
I
= 5mA, I
Q
www.linear.com
Charge Time
8
7
6
5
4
C
= 100µF
OUT
3
2
C
= 50µF
OUT
1
0
2
3
4
5
6
7
8
V
(V)
IN
3484 TA05
Charge Time
8
7
6
5
4
C
= 50µF
OUT
3
2
C
= 20µF
OUT
1
0
2
3
4
5
6
7
8
V
(V)
IN
3484 TA06
: 2.5V to 5.5V, V
= 0.6V, I
= 40µA,
IN
OUT(MIN)
Q
= 90µA, I
<1µA, MS10 Package
Q
SD
: 0.5V to 4.5V, V
= 5.25V, I
= 12µA,
IN
OUT(MIN)
Q
: 2.5V to 5.5V, V
: 2.5V to 5.5V,
IN
OUT(MIN)
<1µA, MS-10 Package
SD
: 2.5V to 16V,
IN
<1µA, ThinSOT Package
SD
LT/TP 0705 500 • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2005
3484012f