• [ CXCO4331 ]"

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1.产品概述       2.产品特点     TPy嘉泰姆

3.应用范围       4.技术规格书下载（PDF文档）TPy嘉泰姆

5.产品封装       6.电路原理图  TPy嘉泰姆

7.相关产品TPy嘉泰姆

   产品概述 返回TOPTPy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TOPTPy嘉泰姆

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

„ Current Mode Boost Controller for VGON TPy嘉泰姆

Š Fixed 600kHz Switching Frequency TPy嘉泰姆

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

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

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

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

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

Š 2% Output Regulation TPy嘉泰姆

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

„ Protection Function TPy嘉泰姆

Š Input Under Voltage Lockout (UVLO) TPy嘉泰姆

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

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

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

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

„ Thermal Compensation Function TPy嘉泰姆

Š VGON temperature compensation TPy嘉泰姆

Š Vcom temperature compensation TPy嘉泰姆

„ 10-Channel Level Shifter TPy嘉泰姆

Š +45V Highest Voltage Level TPy嘉泰姆

Š -30V Lowest Voltage Level TPy嘉泰姆

Š Maximum 700ns Rising/Falling Time TPy嘉泰姆

Š 500mA Peak Current TPy嘉泰姆

Š 20mA Continuous Current TPy嘉泰姆

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

„ RoHS CompliantTPy嘉泰姆

   应用范围 返回TOPTPy嘉泰姆

„ GOA TFT-LCD PanelTPy嘉泰姆

   技术规格书（产品PDF) 返回TOP TPy嘉泰姆

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产品封装图 返回TOPTPy嘉泰姆

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电路原理图 返回TOPTPy嘉泰姆

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