10-CH Level Shifter Integrated with Gate Power CXCO4331 integrated one VGON boost converter with a high voltage level shifter. This device is suitable for GOA TFT-LCD panel applications. The VGON boos

   产品概述 返回TOPzrX嘉泰姆

The CXCO4331 integrated one VGON boost converter with a high voltage level shifter. This device is suitable for GOA TFT-LCD panel applications. The VGON boost converter is a current mode regulator with a temperature compensation feature. The output voltage is adjusted according to the voltage on the VT pin (temperature reading) and the voltage level is set by voltage reference on the END pin. This boost converter has an integrated 45V/1.3Ω NMOS switch and a fixed 600kHz switching frequency. It provides fast transient response to pulsed loading while achieving efficiency over 85%. The level shifters transform the logic-level controlled signals, which are generated by the display timing controller (TCON), into the high-level signals needed by LCD panel. Different CKH1~6 output patterns will be generated by different external settings. Each channel of level shifter output uses low impedance transistors to achieve fast rising and falling time, even when driving the capacitive loads present in LCD applications. CXCO4331 can also be used as a stand-alone level shifter. Connecting SHD to GND can disable whole boost function, shut down function, temperature compensation function, UVP, OCP except for XON function. CXCO4331eatures extensive protection functions that include UVLO, OVP, UVP, OCP and OTP. The device operates over the temperature range of -40°C to +85°C. CXCO4331s available in a 5mmx5mm 40-lead TQFN Package.

   产品特点 返回TOPzrX嘉泰姆

„ Input Supply Range: 2.6V~5.5V zrX嘉泰姆

„ Current Mode Boost Controller for VGON zrX嘉泰姆

Š Fixed 600kHz Switching Frequency zrX嘉泰姆

Š Integrated 45V/1.5A,1.3Ω Switching NMOS zrX嘉泰姆

Š Input voltage, VINP=4.5V to 15V zrX嘉泰姆

Š Output Voltage, VGON = 17V to 39V zrX嘉泰姆

Š Up 80% Efficiency (5mA < Load Current) zrX嘉泰姆

Š Up 75% Efficiency (100mA < Load Current) zrX嘉泰姆

Š 2% Output Regulation zrX嘉泰姆

„ Built-In Power on Sequence and Soft Start Function zrX嘉泰姆

„ Protection Function zrX嘉泰姆

Š Input Under Voltage Lockout (UVLO) zrX嘉泰姆

Š Thermal Overload Protection (TOP)(150°C) zrX嘉泰姆

Š Output Over Voltage Protection for VGON (OVP) (39V) zrX嘉泰姆

Š Over Current Protection for VGON (OCP) (1.5A typ.) zrX嘉泰姆

Š Output Under Voltage Protection (UVP) (FBG≦0.8V) zrX嘉泰姆

„ Thermal Compensation Function zrX嘉泰姆

Š VGON temperature compensation zrX嘉泰姆

Š Vcom temperature compensation zrX嘉泰姆

„ 10-Channel Level Shifter zrX嘉泰姆

Š +45V Highest Voltage Level zrX嘉泰姆

Š -30V Lowest Voltage Level zrX嘉泰姆

Š Maximum 700ns Rising/Falling Time zrX嘉泰姆

Š 500mA Peak Current zrX嘉泰姆

Š 20mA Continuous Current zrX嘉泰姆

„ 40-pin, TQFN(5mmx5mm) Package zrX嘉泰姆

„ RoHS CompliantzrX嘉泰姆

   应用范围 返回TOPzrX嘉泰姆

„ GOA TFT-LCD PanelzrX嘉泰姆

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