LMR10515 features: 3V to 5.5V input voltage range; 0.6V to 4.5V input voltage range; low shutdown current (30nA typical); current mode PWM operation
LMR10515 Typical Applications: 3.3V to 5V rail point-of-load conversion; space-constrained applications; industrial distributed power applications; electricity meters; portable handheld meters
LMR10515 reference design application circuit:
Figure 1 Internal structure of LMR10515
TheLMR10515 regulator is a monolithic, high frequency, PWM step-down DC/DC converter in a 5 pin SOT-23 and a 6 Pin WSON package. It provides all the active functions to provide local DC/DC conversion with fast transient response and accurate Regulation in the smallest possible PCB area.
Figure 2LMR10515 reference design
The ALP is at the falling edge of the reset pulse generated by the internal oscillator. When the pulse goes low, the output control logic turns On the internal PMOS control switch.
LMR10515 Chinese data sheet: Click to download
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