CYT2606L Datasheet | CYT

Description The CYT2606L Series are PFM step-up DC-DC converters with very low ripple noise due to the high operation frequency. The maximum operation frequency is 400KHz. Only three ponents are required to realize the conversion from the battery voltage to a selected output voltage. A driver pin (EXT) is provided for driving external power transistor to extend the output current capability where large current is required. Enable pin (EN) is also provided so that the circuit can be powered down. Features 400KHz Maximum Operation Frequency 2.0V to 5.0V Output Voltage With 0.1V Step Low Start-up Voltage: 0.8V at 1m A 2% Output Voltage Accuracy Up to 88% Efficiency Output current: 300m A at 2.5V input, 3.3V output Low Ripple and Low Noise Output Current Extendable by External Switch Applications Power source for applications where a higher voltage than the battery voltage is required One to three cell battery devices Power source for cameras, camcorders, VCRs, PDAs, pagers and hand held munication instrument Ordering Information Typical Applications .. 1 of 1 Block Diagram Pin Assignment Pin Name Part Marking and Package Type CYT2606L CYT2606L CYT2606L CYT2606L CYT2606L Description LXXT SOT-23-3 LXXF SOT-23-5 LXXE SOT-89 EXXT SOT-23-3 EXXF SOT-23-5 EXXE SOT-89 LX EXT VOUT EN GND NC 2 3 1 - 5 2 1 4 3 3 2 1 - 2 3 1 - 5 2 1 4 3 3 2 1 - Switching pin Buffer output for external transistor Output voltage Chip enable (active high) Ground No connection .. 2 of 2 Absolute Maximum Ratings Type Voltage Symbol Vmax Vmin-max Current ILXmax IEXTmax Power dissipation Psot-23-3 Psot-23-5 Psot-89 Thermal Tmin-max Tstorage ESD VESD Description Maximum voltage on VOUT and VLX pins Voltage range on EXT and EN pins Maximum current on LX pin Maximum current on EXT pin Maximum Power dissipation for SOT-23-3 package Maximum Power dissipation for SOT-23-5 package Maximum Power dissipation for SOT-89 package Operation temperature range...