Hm3416h buck IC chip pwm/pfm controls DC-DC buck converter

Product overview HM3416H Is a reference voltage source 、 Oscillating circuit 、 The comparator 、 PWM/PFM Control circuit, etc CMOS The hypotensive type DC/DC adjustment device . utilize PWM/PFM Automatic switching control circuit to achieve adjustable duty cycle , have Low ripple across the full input voltage range 、 High efficiency and large output current .HM3416H Built in power MOSFET, Integrated overvoltage 、 Over current 、 Overheated 、 Short circuit and other protection circuits , It will automatically disconnect when the control value is exceeded , To protect chip . This product combines the characteristics of micro package and low current consumption , Best fit Used inside the power supply of the mobile device . ■ purpose  Digital camera 、 Electronic notepad 、PDA And so on  camera 、 Video device 、 Stabilized voltage power supply for communication equipment  Microcomputer power supply  The set-top box ■ Product features  high efficiency The maximum efficiency can be 95％  Maximum output current 1.5A  Ultra low quiescent current 40μA  Very small output ripple <±0.4%  Low voltage operation Can be up to 100％ Duty cycle  PWM/PFM Automatic switch The duty cycle is automatically adjustable to maintain full load High efficiency in the range 、 Low ripple  Short circuit protection ■ encapsulation  SOT-23-5L  DFN2x2-8L