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65131 54202
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概述
The LP62702 is designed to supply positive/negative driven applications. The device uses a single inductor scheme to provide up to 200mA currents for both positive and negative output. The integrated synchronous Boost converter provides a regulated voltage for a LDO and a charge pump. The LDO provides a regulated and programmable positive bias OUTP and the charge pump provides a regulated and programmable negative bias OUTN. The device offers low noise, small solution size, high efficiency and robust protections. The other features include under-voltage lockout (UVLO), internal soft-start, boost cycle-by-cycle current limit, output over current and short circuit protection as well as thermal shutdown. The LP62702 is available in a space saving DFN3x3 package.







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应用
◆ TFT LCD Display
- Smartphone, Tablet
- Camera, GPS
- Home Automation, Point-of-Sales
数据参数
数据参数
输入电压 (V)
2.7-5.5
输出电压(V)
±4-6.5
工作频率(Hz)
1.2M
限流值(mA)
±200
效率 (%)
86
应用
Tablets
特点
Dual Power Boost/Charge Pump
封装
DFN3*3-12
特征
特征
◆ Input voltage range: 2.7V to 5.5V
◆ Programmable output voltages
- OUTP output voltage: 4V to 6.5V with 0.1V per step
- OUTN output voltage: -6.5V to -4V with 0.1V per step
◆ OUTP output current up to 200mA
◆ OUTN output current up to 200mA
◆ 85% efficiency at VIN=4.4V, OUTP/OUTNIOUTP=ION=150mA
◆ I2C Interface
- Flexible Output Voltage Programming
- Programmable Active Output Discharge
◆ Protections
- Input under-voltage lockout (UVLO)
- Boost cycle-by-cycle current-limit protection
- Output over current protection
- Output short circuit protection
- Thermal shutdown protection
◆ Packaging
- DFN3x3-12
- RoHS compliant and halogen free
- 100% lead (Pb) free
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