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LT3585-3

Features: Adjustable Input Current Integrated IGBT Driver No Output Voltage Divider Needed Uses Small Transformers: 5.8mm * 5.8mm * 3mm Fast Photofl ash Charge Times Charges Any Size Photofl ash Capacitor Supports Operation from Single Li-Ion Cell, Two AA Cells or any Supply from 1.5V Up to 16V S...

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SeekIC No. : 004401129 Detail

LT3585-3: Features: Adjustable Input Current Integrated IGBT Driver No Output Voltage Divider Needed Uses Small Transformers: 5.8mm * 5.8mm * 3mm Fast Photofl ash Charge Times Charges Any Size Photofl ash Ca...

LT3585-3 Data Sheet

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Part Number:
LT3585-3
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Features:

Adjustable Input Current
Integrated IGBT Driver
No Output Voltage Divider Needed
Uses Small Transformers: 5.8mm * 5.8mm * 3mm
Fast Photofl ash Charge Times
Charges Any Size Photofl ash Capacitor
Supports Operation from Single Li-Ion Cell, Two AA Cells or any Supply from 1.5V Up to 16V
Small 10-Lead (3mm * 2mm) DFN Package


Application

Digital/Film Camera Flash
PDA/Cell Phone Flash
Emergency Strobe


Pinout

Connection Diagram


Specifications

VIN Voltage ................................................................16V
VBATT Voltage ............................................................16V
SW Voltage ...............................................................60V
SW Pin Negative Current ...........................................1A
CHRG/IADJ Voltage ...................................................10V
IGBTPWR Voltage .....................................................10V
IGBTIN Voltage .........................................................10V
IGBTPU Voltage ........................................................10V
IGBTPD Voltage ........................................................10V
DONE Voltage ...........................................................10V
Current Into DONE Pin ............................... 0.2mA/1mA
Maximum Junction Temperature .......................... 125
Operating Temperature Range (Note 2) ... 40 to 85
Storage Temperature Range ................... 65 to 125


Description

The LT®3585 series are highly integrated ICs designed to charge photofl ash capacitors in digital and fi lm cameras. A new control technique allows for the use of extremely small transformers. Each part contains an on-chip high voltage NPN power switch. Output voltage detection is completely contained within the part, eliminating the need for any discrete zener diodes or resistors. The output voltage can be adjusted by simply changing the turns ratio of the transformer.

The CHRG/IADJ pin gives full control of the part to the user. Driving CHRG/IADJ low puts the part in low power shutdown.

The CHRG/IADJ pin can also be used to reduce the input current of the charger, useful in extending battery life. The DONE pin indicates when the part has completed charging.

The LT3585 series of parts are housed in tiny 3mm × 2mm DFN packages.




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