lt3484-1 Linear Technology Corporation, lt3484-1 Datasheet - Page 11

• Manufacturer Part Number: lt3484-1
• Description: Lt3484-1 - Photoflash Capacitor Chargers
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIO S
PACKAGE DESCRIPTIO
3.55 ±0.05
2.15 ±0.05
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
1.65 ±0.05
(2 SIDES)
1.35 ±0.05
(2 SIDES)
2.5V TO 8V
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
0.50 BSC
V
CC
U
0.25 ± 0.05
0.70 ±0.05
1.8V TO 8V
C1: 4.7µF, X5R OR X7R, 10V
T1: TDK LDT565630T-003 L
D1: VISHAY GSD2004S DUAL DIODE CONNECTED IN SERIES
R1: PULL UP RESISTOR NEEDED IF DONE PIN USED
CHARGE
U
PACKAGE
OUTLINE
DONE
Figure 8. LT3484-2 Photoflash Charger Uses
High Efficiency 3mm Tall Transformer
V BAT
C2
0.1µF
6-Lead Plastic DFN (2mm × 3mm)
(Reference LTC DWG # 05-08-1715)
(SEE NOTE 6)
TOP MARK
PIN 1 BAR
R1
100k
C1
4.7µF
3
1
2
0.200 REF
V
DONE
CHARGE
DCB Package
V
IN
PRI
NOTE:
1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (TBD)
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE
BAT
6
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
TOP AND BOTTOM OF PACKAGE
LT3484-2
= 10.5µH, N = 10.2
2.00 ±0.10
(2 SIDES)
LT3484-0/LT3484-1/LT3484-2
SW
GND
4, 5
5
8
7
1:10.2
T1
0.75 ±0.05
4
1
3.00 ±0.10
(2 SIDES)
D1
0.00 – 0.05
+
C OUT
PHOTOFLASH
CAPACITOR
320V
1.65 ± 0.10
R = 0.05
(2 SIDES)
TYP
3484 F08
R = 0.115
BOTTOM VIEW—EXPOSED PAD
TYP
1.35 ±0.10
(2 SIDES)
3
4
6
1
0.50 BSC
0.40 ± 0.10
0.25 ± 0.05
PIN 1 NOTCH
R0.20 OR 0.25
× 45° CHAMFER
11
(DCB6) DFN 0405
3484012f