FEATURES
: n Ultra low dropout voltage of 0.4 volt significantly reduces power consumption n Low noise, higher efficiency n Remote shutdown permits power sequencing to be easily implemented n Hermetic MO-078AA (TO-258AA) and 8- lead flat pack ensure higher reliability n Available H-level screened ABSOLUTE MAXIMUM RATINGS
Symbol Io Vin Vout Parameter Output Current Input Voltage Output Voltage Range PTOT Power Dissipation TC=25 o C RTHJC RTHJC Thermal Resistance, Junction to Case (MO-078AA) Thermal Resistance, Junction to Case (8-lead flatpack) TJ Operating Junction TSTG Storage Temperature Range T L Lead Temperature Value 3.5 +7.0 +4.1 to +5 19 6.5 6.5 -55 to +125 -65 to +150 300 Units A V V W °C/W °C/W oC oC oC 1 8/20/02 OM8505SC, OM8505SF ELECTRICAL CHARACTERISTICS
@ TA= 25°C (Unless Otherwise Specified) Parameter Input Voltage RangeOperating Reference Voltage Line Regulation Load Regulation Dropout Voltage Current Limit Ripple Rejection Shutdown source current Shutdown Pin Threshold Output Voltage at Shutdown Conditions Io= 3.0A Symbol 4.75 ≤ Vin ≤ 5.25, Io= 3.0A 4.5 ≤ Vin ≤ 5.5, Io= 50mA Vin= 5.0V 10ma ≤ Iout ≤ 3.0A Io= 3.0A.
International Rectifier
