PMIC for LCD Bias Power CXLC8953 integrates with a high-performance stepup converter, two charge pump controllers and one high current operational amplifiers for TFT-LCD applications.

   产品概述 返回TOPlrp嘉泰姆

The CXLC8953 integrates with a high-performance stepup converter, two charge pump controllers and one high current operational amplifiers for TFT-LCD applications. The main step-up regulator is a current-mode, fixed-frequency PWM switching regulator. The 1.5MHz switching frequency allows the usage of low-profile inductors and ceramic capacitors to minimize the thickness of LCD panel designs.The charge pump controllers provide regulated the gate-driver of TFT-LCD VGH and VGL supplies.The amplifiers are ideal for VCOM applications, with 100mA output short circuit current drive, 10MHz bandwidth, and 13V/ms slew rate. All inputs and outputs are rail-to-rail. The CXLC8953 is available in a tiny 3mm x 3mm 20-pin QFN package (TQFN3x3-20).

   产品特点 返回TOPlrp嘉泰姆

· Input Voltage Range from 2.7V to 5.5V lrp嘉泰姆

· Positive & Negative Charge Pump for VGH & VGL lrp嘉泰姆

· High Performance Operation Amplifier lrp嘉泰姆

- +100mA Output Short Circuit Current lrp嘉泰姆

- 13V/ms Slew Rate lrp嘉泰姆

- 10MHz, -3dB Bandwidth lrp嘉泰姆

· Control Output for External P-MOSFET to Support Completely Disconnecting the Battery lrp嘉泰姆

· Adjustable Power Sequence byExternal Capacitor lrp嘉泰姆

· Internal Soft-start lrp嘉泰姆

· Cycle By Cycle Current Limit lrp嘉泰姆

· Multiple Overload Protection lrp嘉泰姆

· Over Temperature Protection lrp嘉泰姆

· Available in TQFN3x3-20 Package lrp嘉泰姆

· HalogenandLeadFreeAvailable (RoHSCompliant)lrp嘉泰姆

   应用范围 返回TOPlrp嘉泰姆

· Panellrp嘉泰姆

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