Dual Low Drop Out Regulator Ceramic Capacitor Available BA3259HFP Description BA3259HFP is a power supply IC in which 2-output series regulators are incorporated into a power package (HRP-5). 2-outputs are 3.3V and a variable output. (It can be set between 0.8V and 3.3V.) Each current is 1A. Ceramic capacitor is available for output. Dimension (Unit : mm) 1.905±0.1 1.2575 0.835±0.2 1 2 3 4 5 S 0.08±0.05 Features 1) 3.3V/1A and Variable(0.8V standard)/1A 2) Output ceramic capacitor available 3) Output voltage accuracy :+/-2% 4) Built-in over-current and thermal protection circuit 5) HRP-5 package HDD/DVD Absolute Maximum Ratings (Ta=25˚C) Limits Symbol Power supply voltage VCC 15 Power dissipation Pd 2300 Unit V ∗1 Operating temperature range Topr 0 ~ +85 Storage temperature range Tstg -55 ~ +150 mW ˚C ˚C ∗1 Derating : 18.4mW/˚C for operation above Ta=25˚C PCB (70mmx70mm, t=1.6mm) glass epoxy mounting. Recommended Operating Conditions (Ta=25˚C) Parameter Power supply voltage 0.73±0.1 D 0 .0 8 S HRP-5 Applications Parameter 1.72 Symbol Min. Typ. Max. Unit VCC 4.75 - 14.0 V 1.523±0.15 8.0±0.13 (7.49) 8.82±0.1 (5.59) 10.54±0.13 1.017±0.2 9.39±0.125 4.5° + 5.5° − 4.5° 0.27 + 0.1 − 0.05 Electrical characteristics (Unless otherwise noted; Ta=25˚C, Vcc=5V) Parameter Symbol Min. Typ. Max. Unit Ib - 3 5 mA Io1=0mA, Io2=0mA Line regulation 1,2 ∆VLINE1,2 - 5 15 mV Vcc=4.75 → 14V, Io1=5mA Load regulation 1,2 ∆VLOAD1,2 - 5 20 mV Io=5mA → 1A Vo1 ∆VO1 3.234 3.300 Io1=50mA 1.1 3.366 1.3 V - V Io1=1A Io1 1.0 - - A Vref ∆VO2 0.784 - 0.800 1.1 0.816 1.3 V Io2=50mA V Io2=1A 1.0 - - A Circuit current [3.3V output] Output voltage Dropout voltage Output current [Variable output] Reference voltage Dropout voltage Output current Io2 Conditions Application Circuit VO1 5 Current Limit CO1 3.3V OUT 1µF VOUT2=VREF X (1+R1/R2)+IADJ X R1 Current Limit GND FIN VO2 4 CO2 ADJ OUT 1µF Thermal Shutdown ADJ 2 R1 R2 VREF 1 BA3259HFP VCC CIN 3.3µF VIN