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概述
The LP3316 is a 1.2MHz PWM boost switching regulator designed for constant-voltage boost applications. The LP3316 can drive a string of LED up to 30V. The LP3316 implements a constant frequency 1.2MHz PWM control scheme. The high frequency PWM operation also saves board space by reducing external component size. To improve efficiency, the feedback voltage is set to 1230 mV, which reduces the power dissipation at the voltage setting resistor. Highly integration and internal compensation network minimizes as 6 external component counts. Optimized operation frequency can meet the requirement of small LC filters value and low operation current with high efficiency.
应用
◆ Panel Bais Voltage supply
◆ OLED Backlight driver
◆ Notebook Computers
◆ Portable Applications
◆ MID
数据参数
数据参数
输入电压 (V)
2.7~5.5
最大输出电压(V)
30
工作模式
Boost
LED通道数
-
驱动LED数量(pcs)
-
开关电流(A)
1.4
开关频率 (Hz)
1.2M
FB电压(mV)
1230
亮度调节
PWM
过压保护(V)
-
产品特征/功能
Low size,Small EMI
应用
Bias
封装
SOT23-5
特征
特征
◆ High Efficiency: 95
◆ 1.2MHzFixed-Frequency PWM Operation
◆ Maximum Output Voltage up to 30V
◆ Guaranteed 13V/200mA Output with 5V input
◆ Operating Range : 2.5V to 5.5V
◆ Shutdown Supply Current:<1uA
◆ Programmable Soft-start
◆ Available in SOT23-5 Package
◆ Minimize the External Component
◆ RoHS Compliant and 100% Lead (Pb)-Free
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