Datasheet Details
- Part number
- LD7266A
- Manufacturer
- Leadtrend
- File Size
- 343.63 KB
- Datasheet
- LD7266A-Leadtrend.pdf
- Description
- Photoflash Capacitor Charger
LD7266A Description
LD7266A 3/1/2007 Photoflash Capacitor Charger with Integrated MOS REV: 00 General .
The LD7266A is an ideal charge control IC for flash units with internal soft start, adjustable charging current and output voltage.
LD7266A Features
* Adjustable Charging Current and Output Voltage
* 1.8V~5V Battery Voltage Range
* Tiny Transformer
* Totem-Pole IGBT Driver
* Integrated 45V power switch
LD7266A Applications
* DSC Flash Unit
* Cell Phone with Camera
g Patented
Typical Application
D1
T1
C2 140µF
R1 196K
VCC 1µF
VDD
R2 196K
R1 100K
Ready
R3 1.5K
IGBT Gate
RG
FB
SEC 1nF
VCC LD7266A
LX ISET
READ Y
CHARGE
OUT
GND
TRIGGER
1nF
Charge Trigger
C1 22µF
VB AT
Ri/360K
Fig.1
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