AN8086S

ICs for CD/CD-ROM Player AN8086S Low Voltage Operation IC for DC-DC Converter s Overview The AN8086S is an IC for controlling a DC-DC converter suitable for the switching power supply of various portable equipment. It can operate with input voltage 1.1V or more. The AN8086S is based on AN8083S with the output voltage in the secondary side changed to 3.6V. 0.4 1 2 3 0.4±0.25 4 5 1.27 6 7 8 16 15 14 13 12 11 10 9 1.5±0.2 0.3 4.2±0.3 6.5±0.3 VREF 12 0.85V 0.25V + – 3.24V + – 2.7V→ 2.5V 4.8V Starter SW Early Value Set. 2.0V 0.7V 1.25V + – 30kΩ 0.725V 0.9V 6 63kΩ GND – + – + + Power Off Switching Circuit Starter Triangular Wave 9 8 CLK PVCC 11 POWER 0.15 0.65 10.1±0.3 Unit : mm s Features Operatable with low voltage input (PVCC>1.1V) Decreased voltage detection circuit built-in Short-circuit protection feature built-in Provided with reset output Synchronizable with outside clock Low consumption current in stand-by mode s Block Diagram RESET VCC 15 16 EMP 13 2.2V VSEN 14 VREF START 10 CT 7 + – 1 IN 2 FB 3 SPRO 4 DED 5 OUT 0.1±0.1 16-lead SOP package (SOP016-P-0225A) ICs for CD/CD-ROM Player s Absolute Maximum Ratings (Ta=25˚C) Parameter Supply Voltage Power Dissipation Operating Ambient Temperature Storage Temperature Symbol VCC PVCC PD Topr Tstg Rating 14.4 14.4 380 –20 ~ +75 –55 ~ +125 AN8086S Unit V mW ˚C ˚C s Recommended Operating Range (Ta=25˚C) Parameter Operating Supply Voltage Range Symbol VCC PVCC Range 3.6V ~ 12V 1.1V ~ 12V s Electrical Charact...