LTC3554EUD-1#PBF
Single-Cell Li-Ion/Polymer Battery 2.7V to 5.5V 20Pin QFN EP
Easy power control is made possible with this false pin count power management IC by . This power management IC has an input voltage of 2.7 to 5.5 V. You can operate this at a switching frequency of 2590 kHz. This power management IC has a minimum operating temperature of -40 °C and a maximum of 85 °C.