LT3468/LT3468-1/LT3468-2

11

sn346812 346812fs

S5 Package

5-Lead Plastic TSOT-23

(Reference LTC DWG # 05-08-1635)

PACKAGE DESCRIPTIO

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.

TYPICAL APPLICATIO S

LT3468-2

CHARGE

GND

SW

+

DONE

DONE

CHARGE

C1

4.7µF

R1

100k

T1

1:10.2

COUT

PHOTOFLASH

CAPACITOR

VIN

2.5V TO 8V

D2

320V

D1

5

8

4

1

C1: 4.7µF, X5R OR X7R, 10V

D1: VISHAY GSD2004S DUAL DIODE CONNECTED IN SERIES

D2: ZETEX ZHCS400 OR EQUIVALENT

R1: PULL UP RESISTOR NEEDED IF DONE PIN USED

3468 F08

Figure 8. LT3468-2 Photoflash Charger Uses

High Efficiency 3mm Tall Transformer

1.50 – 1.75

(NOTE 4)

2.80 BSC

0.30 – 0.45 TYP

5 PLCS (NOTE 3)

DATUM ‘A’

0.09 – 0.20

(NOTE 3)

S5 TSOT-23 0302

PIN ONE

2.90 BSC

(NOTE 4)

0.95 BSC

1.90 BSC

0.80 – 0.90

1.00 MAX

0.01 – 0.10

0.20 BSC

0.30 – 0.50 REF

NOTE:

1. DIMENSIONS ARE IN MILLIMETERS

2. DRAWING NOT TO SCALE

3. DIMENSIONS ARE INCLUSIVE OF PLATING

4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR

5. MOLD FLASH SHALL NOT EXCEED 0.254mm

6. JEDEC PACKAGE REFERENCE IS MO-193

3.85 MAX

0.62

MAX

0.95

REF

RECOMMENDED SOLDER PAD LAYOUT

PER IPC CALCULATOR

1.4 MIN

2.62 REF

1.22 REF