LT3420
LT3420 is Photoflash Capacitor Chargers manufactured by Linear Technology.
LT3420/LT3420-1
Photoflash Capacitor Chargers with Automatic Refresh
Features
DESCRIPTIO
- Charges 220µF to 320V in 3.7 Seconds from 5V (LT3420)
- Charges 100µF to 320V in 3.5 Seconds from 5V (LT3420-1)
- Charges Any Size Photoflash Capacitor
- Supports Operation from Two AA Cells or Any
Supply from 1.8V to 16V
- Controlled Peak Switch Current: 1.4A (LT3420)
1.0A (LT3420-1)
- Controlled Input Current: 840mA (LT3420)
450mA (LT3420-1)
- Uses Standard Transformers
- Efficient Flyback Operation (>75% Typical)
- Adjustable Output
- Automatic Refresh
- Charge plete Indicator
- No High Voltage Zener Diode Required
- No Output Voltage Divider Required
- Small 10-Lead MSOP Package
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