LT3468ES5-1 데이터 시트보기 (PDF) - Linear Technology

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LT3468ES5-1

Photoflash Capacitor Chargers in ThinSOT™

Linear Technology 

LT3468/LT3468-1/LT3468-2

TYPICAL APPLICATIO S

VIN

2.5V TO 8V

C1

4.7µF

T1

1:10.2

D1

5

4

8

1

+

R1

100k

VIN

SW

D2

LT3468-2

DONE

DONE

GND

320V

COUT

PHOTOFLASH

CAPACITOR

CHARGE

CHARGE

C1: 4.7µF, X5R OR X7R, 10V

T1: TDK LDT565630T-003 LPRI = 10.5µH, N = 10.2

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

PACKAGE DESCRIPTIO

0.62

0.95

MAX

REF

S5 Package

5-Lead Plastic TSOT-23

(Reference LTC DWG # 05-08-1635)

1.22 REF

2.90 BSC

(NOTE 4)

3.85 MAX 2.62 REF

1.4 MIN

2.80 BSC

1.50 – 1.75

(NOTE 4)

RECOMMENDED SOLDER PAD LAYOUT

PER IPC CALCULATOR

0.20 BSC

DATUM ‘A’

PIN ONE

0.95 BSC

0.80 – 0.90

1.00 MAX

0.30 – 0.50 REF

0.09 – 0.20

NOTE:

(NOTE 3)

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

1.90 BSC

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.

0.30 – 0.45 TYP

5 PLCS (NOTE 3)

0.01 – 0.10

S5 TSOT-23 0302

346812f

11

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