ILC6363

www.fairchildsemi.com ILC6363 Step-Up DC-DC Converter for One-Cell Lithium-Ion Batteries Features ILC6363CIR-50: Fixed 5.0V output; custom voltages are available upon request ILC6363CIR-ADJ: Adjustable output to 6V maximum Capable of 500mA output current Peak efficiency: > 90% at VOUT = 3.6V, IOUT = 300mA, VIN = 3.6V No external diode is required (synchronous rectification) Battery input current of 300µA at no load True load disconnect from battery input in shutdown (1µA) Oscillator frequency: 300kHz ±15% Low battery detector with 100ms transient rejection delay Power good output flag when VOUT is in regulation MSOP-8 package voltage exceeds the output voltage by more than 800mV, the output will begin to track the input linearly. The ILC6363 is a direct replacement for ILC6360, in applications where SYNC pin is not used. The PFM or PWM operating mode is user selectable through SEL pin connected to ground or left open, respectively. The choice should be dependent upon the current to be delivered to the load: PFM is recommended for better efficiency at light load,while PWM is recommended for more than 50mA load current. In shutdown mode, the device allows true load disconnect from battery input. Configured as a 300kHz, fixed frequency PWM/PFM boost converter, the ILC6363 can perform a limited buck operation in PFM mode, when the input voltage is up to 0.8V higher than the output voltage. The ILC6363 is unconditionally stable with no external compensation; the s...