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English6-CH Bias Power Supply for LCD TVs CXLC89102 DC-DC converter provides six regulated voltages required by thin-film transistor (TFT) liquid crystal displays (LCD) panels. All output voltages are progra
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产品概述 返回TOP
The CXLC89102 DC-DC converter provides six regulated voltages required by thin-film transistor (TFT) liquid crystal displays (LCD) panels. All output voltages are programmable. The VIO and VCORE buck converters are for the T-CON. The VAVDD boost converter and VHAVDD buck converters are for the source driver and Gamma buffer. Charge pump VGH and VGL are for the gate driver or level shifter. VGH voltage is with temperature compensation for the Gate in Panel (GIP) technology. Also, a high voltage stress (HVS) mode for the VAVDD and a VAVDD isolation switch is integrated. CXLC89102 offers high current capabilities, and is ideal for large screen LCD monitors panels and TV applications with 12V supply voltage.
产品特点 返回TOP
„ 8V to 14V input Voltage Range
„ 6-bit Boost Converter VAVDD: 13.5V…19.8V
♦750kHz Switching Frequency
♦3-bit prog. Switch Current Limit up to 4.25A
♦4-bit prog. HVS Offset Voltage: 0V…3V
♦bit prog. Soft-Start Time
„ Integrated VAVDD Isolation Switch
„ 4-bit Buck Converter VIO: 2.2V…3.7V
♦750kHz Switching Frequency
♦3A Switching Current Limit
„ 5-bit Sync. Buck Converter VCORE: 0.8V…3.3V
♦2MHz Switching Frequency
♦2.5A Switching Current Limit
„ 6-bit Sync. Buck Converter VHAVDD: 4.8V…11.1V
♦750kHz Switching Frequency
♦1.7A Switching Current Limit
„ 4-bit Charge Pump Controller VGH: 20V…35V
♦4-bit temp. Compensation Offset: 0V … 15V
„ 4-bit Charge Pump Contr. VGL: -5.5V…-14.5V
„ 2-bit Gate Pulse Modulation (GPM): 0V…15V
„ Thermal Shutdown
„ I 2 C Compatible Interface
„ Available in 6mmX6mm 40-pin QFN Package
应用范围 返回TOP
„ TFT LCD Displays
技术规格书（产品PDF) 返回TOP
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Part NO. |
Vin(V) min. |
Vin(V) max. |
FSW (kHz) |
ILX (A) |
VLX (V) |
OPAS/ R(V/μs |
OPAI SCmA |
Note |
Package |
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2.5 |
5.5 |
1200 |
3 |
18 |
40 |
200 |
Async-Boost,VGH/VGL Charge-Pump, VCOM,GPM, Voltage Detector |
TQFN4X4-24 |
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2.5 |
5.5 |
1200 |
1.8 |
20 |
12 |
150 |
Async-Boost, VCOM,VGH/VGL Charge-Pump, |
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