LM2623MMX/NOPB

0.8V 至 14V 输入电压、2A 负载电流、升压直流/直流 8-VSSOP -40 to 85

The LM2623 is a high-efficiency, general-purpose, step-up DC-DC switching regulator for battery-powered and low input voltage systems. It accepts an input voltage between 0.8 V and 14 V and converts it into a regulated output voltage between 1.24 V and 14 V. Efficiencies up to 90% are achievable with the LM2623.

In order to adapt to a number of applications, the LM2623 allows the designer to vary the output voltage, the operating frequency 300 kHz to 2 MHz and duty cycle 17% to 90% to optimize the part"s performance. The selected values can be fixed or can vary with battery voltage or input to output voltage ratio. The LM2623 uses a very simple, on/off regulation mode to produce good efficiency and stable operation over a wide operating range. It normally regulates by skipping switching cycles when it reaches the regulation limit Pulse Frequency Modulation.

Note: Please read the _Non-Linear Effect_ and _Choosing the Correct C3 Capacitor_ sections so that any challenges with designing with this part can be taken into account before a board design/layout is finalized.

For alternative solutions, See Also: LM2700, LM2622, LM2731, LM2733, and LM2621.