12V輸入 多頻道 系統電源IC - BM81004MUV
BM81004MUV為液晶TV用TFT-LCD面板用系統電源產品。除了面板驅動用電源(SOURCE用電壓、LOGIC用電壓)功能、還內建正/負充電泵控制器、Gate Pulse Modulation機能。此外、本產品還具備維持各種設定値的EPROM、可設定輸出電壓及SOFT START時間等。
×
規格:
Grade
Standard
Vin1(Min.)[V]
8.6
Vin1(Max.)[V]
14.0
SW frequency(Max.)[MHz]
1.0
Output Source Voltage[V]
to 18
Output Logic Voltage[V]
Variable
Output Logic Voltage2[V]
Variable
Output Gate Voltage[V]
Variable
Start up Sequence Circuit
Yes
VCOM[ch]
1
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
105
功能:
- Step-up DC/DC converter (AVDD) (Synchronous rectification, Built-in load switch)
- Step-down DC/DC converter 1 (VIO) (Non-synchronous rectification)
- Step-down DC/DC converter 2 (VCORE)
- Step-down DC/DC converter 3 (HAVDD) (Synchronous rectification)
- Positive charge pump controller (VGH)
- Negative charge pump controller (VGL)
- Gate Pulse Modulation (GPM) function
- High Voltage LDO (50mA)
- 10bit DAC-controlled Gamma Amplifier 4ch
- 8bit DAC-controlled VCOM Amplifier
- Output voltage control by I²C
- Built-in EEPROM
- Switching Frequency 750kHz (AVDD, VIO)
- Switching Frequency 1MHz (VCORE, HAVDD)