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Partname:MAX8726EUE
Description:+2.7 V to +5.5 V, triple-output TFT-LCD DC-DC converter
Manufacturer:Maxim Integrated Products
Package:TSSOP
Pins:16
Oper. temp.:-40 to 85
Datasheet:PDF (640K).
Click here to download *)

The primary 1MHz DC-DC converter generates a boosted output voltage (VMAIN) up to 13V using ultra-small inductors and ceramic capacitors. The low-power BiCMOS control circuitry and the low on-resistance (0.35) of the integrated power MOSFET allows efficiency up to 93%. The dual charge pumps independently regulate one positive output (VPOS) and one negative output (VNEG). These low-power outputs use external diode and capacitor stages (as many stages as required) to regulate output voltages up to +40V and down to -40V. A proprietary regulation algorithm minimizes output ripple, as well as capacitor sizes for both charge pumps. For both the MAX1748 and MAX8726, the supply sequence is VMAIN first, VNEG next, and finally VPOS. The MAX1748 soft-starts each supply as soon as the previous supply finishes. The MAX8726 adds a delay between the startups of V MAIN and V NEG and also between VNEG and VPOS.

Click here to download MAX8726EUE Datasheet
Click here to download MAX8726EUE Datasheet
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