Datasheet Details
- Part number
- LD7261
- Manufacturer
- Leadtrend
- File Size
- 197.74 KB
- Datasheet
- LD7261-Leadtrend.pdf
- Description
- Photoflash Capacitor Charger
LD7261 Description
Photoflash Capacitor Charger LD7261 3/21/2005 REV: 01 General .
The LD7261 is an ideal charge control IC for flash units with internal soft start, adjustable charging current and output voltage.
LD7261 Features
* Adjustable Charging Current
* Adjustable Output Voltage
* Supports Auto Refresh
* 1.8V~5V Battery Voltage Range
* Internal Soft Start
* Tiny Transformer
LD7261 Applications
* DSC Flash Unit
* Film Camera Flash Unit
g Patented
Typical Application
VOUT
C2 160µF
ZD1 300V
D1 T1
VCC C3 1µF
VIN C1 33µF
VDD
C4 R2 R1 0.1µF 1M 100K
READY
IGBT RG GATE
VCC OUT1 FB
SEC
ISET
RS CS 3.9Ω
LD7261 CHARGE
READY
CHARGE
OUT2
TRIGGER TRIGGER
GND
Q1 RI
Q1:
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