Datasheet Details
- Part number
- LD7268A
- Manufacturer
- Leadtrend
- File Size
- 282.67 KB
- Datasheet
- LD7268A-Leadtrend.pdf
- Description
- Photoflash Capacitor Charger
LD7268A Description
LD7268A 3/10/2005 Photoflash Capacitor Charger for DSC REV: 00 General .
The LD7268A is an ideal charge control IC for flash units with internal soft start, adjustable charging current and output voltage.
LD7268A Features
* Adjustable Charging Current
* Adjustable Output Voltage
* 1.8V~5V Battery Voltage Range
* Internal Soft Start
* Tiny Transformer
LD7268A Applications
* DSC Flash Unit
* Film Camera Flash Unit
g Patent pending
Typical Application
D1 T1
C2 140µF
ZD1 300V
Vcc C3 1µF
VDD
100nF 100K
R1 100K READY
IGBT GATE
RG
Q1: AOS/ AO3402 T1: 10T: 250T, LP=8µH/EFD6.5 CS: 4.7~10nF
VCC OUT1
FB
Cs Rs 3.9Ω
SEC
ISET
CHARGE LD7268A READY
O
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