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LT3587

Features: ` Ideal for CCD, LCD, LED Backlight and OLED Applications` Easy Generation of 15V (50mA), 8V (100mA) and 20V (20mA) from a Li-Ion Cell` VVIN Range: 2.5V to 6V` Wide Output Ranges: Up to 32V for the Boosts and Up to 32V for the Inverter` Output Disconnect for the Boost Channels` Boost3 Al...

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SeekIC No. : 004401130 Detail

LT3587: Features: ` Ideal for CCD, LCD, LED Backlight and OLED Applications` Easy Generation of 15V (50mA), 8V (100mA) and 20V (20mA) from a Li-Ion Cell` VVIN Range: 2.5V to 6V` Wide Output Ranges: Up to 32...

LT3587 Data Sheet

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Part Number:
LT3587
Supply Ability:
5000

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

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Product Details

Description



Features:

` Ideal for CCD, LCD, LED Backlight and OLED Applications
` Easy Generation of 15V (50mA), 8V (100mA) and 20V (20mA) from a Li-Ion Cell
` VVIN Range: 2.5V to 6V
` Wide Output Ranges: Up to 32V for the Boosts and Up to 32V for the Inverter
` Output Disconnect for the Boost Channels
` Boost3 Allows Voltage Programming and/or Current Programming for a 'One Wire Current Source'
` Overload Fault Protection with Fault I/O Pin Indicator
` Combined Soft-Start and Enable Pins
` Small 20-Pin 3mm * 3mm QFN Package


Application

· Digital Still and Video Cameras
· Scanner and Display Systems
· PDA, Cellular Phones and Handheld Computers
· LED Backlight and OLED Display Drivers
· CCD Imager Bias
· General High Voltage Supply Bias


Pinout

Connection Diagram


Specifications

VIN ............................................................................6V
Soft-Start Input Pins
EN/SS1, EN/SS3 .........................................................6V
Feedback Pins
FB1, FB2, IFB3, VFB3 ................................... 0.2V to 6V
High Voltage Switch Pins
SW1, SW2, SW3 ......................................................40V
High Voltage Output Pins
CAP1, CAP3, VOUT1, VOUT3 ......................................32V
Bidirectional I/O Pin
FLT ...............................................................................6V
FLT Current .............................................................10mA
Operating Junction Temperature Range .. 40 to 125
Storage Temperature Range ................... 65 to 125


Description

The LT®3587 provides a one chip solution for applications requiring two positive and one negative high voltage supplies. The LT3587 input voltage range of 2.5V to 6V makes it ideal for various battery-powered systems.

A single resistor programs each of the three output voltage levels and the output current of Boost3. The intelligent softstart allows for sequential soft-start of the Boost1 output followed by the negative output with a single capacitor. Internal sequencing circuitry also disables the inverter until the Boost1 output has reached 87% of its fi nal value.

The LT3587 integrates all the power switches, soft-start, and output-disconnect circuits into a small 3mm × 3mm QFN package. This high level of integration combined with small external components makes the LT3587 ideal for space constrained applications.




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