(China (Mainland))
Product Summary
The EL7520ILZ is a 4-channel DC/DC controller that provides a complete power supply system for TFT-LCD applications. The device consists of a 1MHz PWM boost controller, which generates the main voltage for the column driver, and three LDO controllers for VON, VOFF, and VLOGIC supplies. The EL7520ILZ also includes integrated start-up sequence and start-up delay control.
Parametrics
EL7520ILZ absolute maximum ratings: (1)VDELB: 25V; (2)VDRVP: 36V; (3)VDRVN: -20V; (4)VDDP, VDD: 6.5V.
Features
EL7520ILZ features: (1)Complete TFT-LCD supply controller: 1MHz PWM boost controller; VON LDO controller; VOFF LDO controller; Logic supply LDO controller; (2)Integrated start-up sequence for VLOGIC/VBOOST, VOFF, VON or VLOGIC, VOFF, VBOOST, VON-VLOGIC permanently enabled in A version (EL7520A); (3)Programmable sequence delay; (4)In-rush current control; (5)Fully fault protected; (6)Thermal shutdown; (7)Internal soft-start; (8)3V to 5.5V VDD; (9)20 Ld 4x4 QFN package; (10)Low cost; (11)Pb-Free plus anneal available (RoHS compliant).
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
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 EL7520ILZ |
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IC CTRLR DC/DC 4-CHAN 20-QFN |
Data Sheet |
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EL7520ILZ-T13 |
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IC CTRLR DC/DC 4-CHAN 20-QFN |
Data Sheet |
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EL7520ILZ-T7 |
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IC CTRLR DC/DC 4-CHAN 20-QFN |
Data Sheet |
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