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EL7586AILZ

TFT-LCD Power Supply

EL7586AILZ General Description

The EL7586 and EL7586A represent multiple output regulators for use in all large panel, TFT-LCD applications. Both feature a single boost converter with an integrated 2A FET, two positive LDOs for VON and VLOGIC generation, and a single negative LDO for VOFF generation. The boost converter can be programmed to operate in either P-mode or PI-mode for improved load regulation. Both EL7586 and EL7586A also integrate fault protection for all four channels. Once a fault is detected, the device is latched off until the input supply or EN is cycled. EL7586 also features an integrated start-up sequence for VBOOST/VLOGIC, VOFF, then VON or for VLOGIC, VOFF, VBOOST, and VON. The latter requires a single external transistor. The timing of the start-up sequence is set using an external capacitor. EL7586A features an immediately-enabled VLOGIC output which is independent of EN input. The VLOGIC output will be switched off if a fault is detected and the power supply needs to be recycled to reset this condition. Both the EL7586 and EL7586A are pin-compatible, come in the 20 Ld 4x4 QFN package, and are specified for operation over the -40°C to +85°C temperature range.

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Key Features

  • 2A current limit FET options
  • 3V to 5V input
  • Up to 20V boost out
  • 1% regulation on all outputs
  • VLOGIC-VOFF-VBOOST-VON or VBOOST/VLOGIC-VOFF-VON sequence control
  • VLOGIC is on from start-up for EL7586A
  • Programmable sequence delay
  • Fully fault protected
  • Thermal shutdown
  • Internal soft-start
  • 20 Ld 4x4 QFN packages
  • Pb-free plus anneal available (RoHS compliant)

Specifications

Series - Applications Converter, TFT LCD
Voltage - Input 3V ~ 5V Number of Outputs 4
Voltage - Output 5.5V ~ 20V Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount

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Availability: 6893 PCS

+BOM
Qty. Unit Price Ext. Price
1+ $8.220 $8.22
200+ $3.280 $656.00
500+ $3.170 $1,585.00
1000+ $3.117 $3,117.00

The prices below are for reference only.