LT3468
FEATURES
- Highly Integrated IC Reduces Solution Size
- Uses Small Transformers:
5.8mm × 5.8mm × 3mm
- Fast Photoflash Charge Times:
4.6s for LT3468 (0V to 320V, 100µF, VIN = 3.6V) 5.7s for LT3468-2 (0V to 320V, 100µF, VIN = 3.6V) 5.5s for LT3468-1 (0V to 320V, 50µF, VIN = 3.6V)
- Controlled Input Current: 500m A (LT3468) 375m A (LT3468-2) 225m A (LT3468-1)
- Supports Operation from Single Li-Ion Cell, or Any Supply from 2.5V up to 16V
- Adjustable Output Voltage
- No Output Voltage Divider Needed
- Charges Any Size Photoflash Capacitor
- Low Profile (<1mm) SOT-23 Package
U APPLICATIO S
- Digital / Film Camera Flash
- PDA / Cell Phone Flash
- Emergency Strobe
DESCRIPTIO
The LT®3468/LT3468-1/LT3468-2 are highly integrated ICs designed to charge photoflash capacitors in digital and film cameras. A patented control technique- allows for the use of extremely small transformers. Each device contains an on-chip high voltage NPN power switch. Output voltage detection- is pletely contained...
