MP1488
800mA Fixed Frequency
White LED Driver
MPS CONFIDENTIAL AND PROPRIETARY INFORMATION – INTERNAL USE ONLY
The Future of Analog IC Technology连锁反应英文版
DESCRIPTION
clotThe MP1488 is a step-up converter designed for driving up to 27 WLEDs (9 strings of 3 WLEDs
FEATURES
• 2.5V to 6V Input Voltage Range成都培训网
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PACKAGE REFERENCE体会英文
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ABSOLUTE MAXIMUM RATINGS (1)
ELECTRICAL CHARACTERISTICS (continued) V = V = 5V, T = +25°C, unless otherwi noted.
OPERATION
梦工厂电影大全The MP1488 us a constant frequency, peak current mode boost regulator architecture to regulate the strings of white LEDs. Refer to the block diagram in Figure 1 for details.
The voltage at the output of the error amplifier is an amplified version of the difference between the 104mV reference voltage and the feedback voltage. In this way the peak current
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APPLICATION INFORMATION
老师英文Figure 3—Steady State Operation
Figure 4 shows the startup behavior of the
MP1488. The ramped voltage added to the
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