EL7640A_IntersilCorporation.pdf
Datasheet Details
Part number:
EL7641A, EL7640A
Manufacturer:
Intersil Corporation
File Size:
483.74 KB
Description:
(el7640a - el7642a) tft-lcd dc/dc.
Note:
This datasheet PDF includes multiple part numbers: EL7641A, EL7640A.
Please refer to the document for exact specifications by model.
EL7641A, EL7640A, (EL7640A - EL7642A) TFT-LCD DC/DC
Input Supply Range Undervoltage Lockout Threshold Undervoltage Lockout Threshold Quiescent Current Quiescent Current - Switching Fault Delay Time Reference Voltage VIN rising VIN falling LX not switching LX switching CDEL = 100nF TA = 25°C 2.6 2.4 2.2 2.5 2.3 5.5 2.6 2.4 2.5 5 23 10 V V V mA mA
® EL7640A, EL7641A, EL7642A Data Sheet May 15, 2006 FN6270.0 PRELIMINARY TFT-LCD DC/DC with Integrated Amplifiers The EL7640A, EL7641A, and EL7642A integrate a high performance boost regulator with 2 LDO controllers for VON and VOFF, a VON-slice circuit with adjustable delay and either one (EL7640A), three (EL7641A), or five amplifiers (EL7642A) for VCOM and VGAMMA applications.
The boost converter in the EL7640A, EL7641A, and EL7642A is a current mode PWM type integrating an 18V NHchannel MO
EL7641A Features
* Current mode boost regulator - Fast transient response - 1% accurate output voltage - 18V/3A integrated FET - >90% efficiency
* 2.6V to 5.5V VIN supply
* 2 LDO controllers for VON and VOFF - 2% output regulation - VON-slice circuit
* High speed amplifiers - 150mA sh
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