Datasheet Details
- Part number
- A8425
- Manufacturer
- Allegro
- File Size
- 439.72 KB
- Datasheet
- A8425-Allegro.pdf
- Description
- High Current Photoflash Capacitor Charger
A8425 Description
A8425 High Current Photoflash Capacitor Charger with IGBT Driver for Two Li+ Batteries .
The A8425 charges photoflash capacitors for digital cameras, camcorders, and DSC combos.
A8425 Features
* ▪ Wide battery voltage range: 1.5 to 11 V ▪ Integrated 55 V DMOS switch in very thin profile
3 mm × 3 mm, 0.75 mm nominal height package ▪ Peak current limit continuously adjustable from 1.0 to 3.2 A ▪ Output voltage sensing on primary side: no resistor divider
required ▪ >75% efficiency ▪ Fast char
A8425 Applications
* It is lead (Pb) free, with 100% matte-tin leadframe plating. Applications include: ▪ SLR camera flash ▪ Digital camcorder/DSC combo flash ▪ 2 Li+ input strobe
Approximate Scale 1:1
A8425-DS, Rev. 1
Typical Application
Bias Input 3.0 to 5.5V
Battery Input 1.5 to 11 V
C2 TLIM
+
VIN VBAT VOUT D
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