Triple Output Power Supply for TFT-LCD
The XC9516 series can offer three different power supplies to TFT-LCD panels. These power supplies consist of a step-up DC/DC converter for a source driver, positive and negative charge pumps for a gate driver.
This IC has power-on sequences to keep inrush current as small when output voltage rises. The step-up DC/DC output can be used as power-on sequences with adding a P-channel FET as external component. Also, the FET can shut down a path to the power input line when CE pin is low.
Feature
| Input Voltage Range | 2.5V～5.5V |
| Maximum Output Voltage | 19V(Step-up DC/DC) |
| Output Voltage Accuracy | ±1.5% |
| Oscillation Frequency | 300kHz～1.2MHz(Adjustable) |
| External MOSFET Gate Signal Output | N-channel open drain |
| Switch Over Current Protection | 1.3A |
| Soft-Start | Internally fixed |
| Over Voltage Protection | Step-up DC/DC 21V |
| Short Circuit Protection | Positive and Negative Charge Pump |
| Thermal Shut Down | 150℃ |
| UVLO | 1.87V |
| Operating Ambient Temperature | -40℃～+85℃ |
| Environmentally Friendly | EU RoHS compliant, Pb free |
Typical Application Circuit
Packages
| Package | Number of Pins | Pcs/Reel | Package Size(mm) |
|---|---|---|---|
| QFN-20 | 20 | 1,000 | 4.0 x 4.0 x 0.8 |
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