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LT3420-1

Linear
Part Number LT3420-1
Manufacturer Linear
Description Photoflash Capacitor Chargers
Published Apr 27, 2016
Detailed Description U U LT3420/LT3420-1 Photoflash Capacitor Chargers with Automatic Refresh FEATURES DESCRIPTIO ■ Charges 220µF to 320...
Datasheet PDF File LT3420-1 PDF File

LT3420-1
LT3420-1

Overview
U U 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 Complete Indicator ■ No High Voltage Zener Diode Required ■ No Output Voltage Divider Required ■ Small 10-Lead MSOP Package ■ Small 10-Lead (3mm × 3mm) DFN Package U APPLICATIO S ■ Digital Camera Flash Unit ■ Film Camera Flash Unit ■ High Voltage Power Supplies The LT®3420/LT3420-1 charge high voltage photoflash capacitors quickly and efficiently.
Designed for use in both digital and film cameras, these devices use a flyback t...


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