2-output LDO series regulator BA33C18FP/HFP Description Dimension (Unit : mm) BA33C18FP BA33C18FP/HFP is a 2-output LDO series regulator IC. Output current is 1A at maximum and output voltage 2.30.2 6.50.2 +0.2 5.1-0.1 0.50.1 accuracy is +/-2%. This IC incorporates over-current 2-C0.5 protection and thermal protection circuits. 1 2 3 4 5 Features 0.5 1.27 0.50.1 1.00.2 1) 3.3V/1A, 1.8V/1A TO252-5 2) Output voltage accuracy: +/-2% 3) PNP output and LDO voltage type BA33C18HFP 4) Built-in output current limit circuit protects the IC 9.390.125 from destruction by short 1.9050.1 8.820.1 (5.59) 5) Built-in temperature protection circuit protects the IC from thermal destruction by overload state 6) TO252-5 package, HRP-5 package 1 2 3 4 5 1.2575 + 5.5 4.5 - 4.5 + 0.1 0.27 - 0.05 Applications S DVD-ROM, DVD-RW, HDD 1.72 0.730.1 D 0.08 S HRP-5 Absolute Maximum Ratings (Ta=25C) Parameter Symbol Limits Unit Applied voltage VCC V 18 *1 Power dissipation Pd mW 2300 Topr -40 +105 Operating temperature range ~ C Storage temperature range Tstg -55 ~ +150 C *1 Derating : 18.4mW/C for operation above Ta 25C PCB (70mmx70mm, t=1.6mm) glass epoxy mounting. (Thermal via on the board.) (Board surface copper foil area: 10.5mmX10.5mm) (2 layer board (Back copper foil area: 15mmX15mm) Recommended Operating Conditions (Ta=25C) Parameter Symbol Min. Typ. Max. Unit Input supply voltage VCC 4.1 - 16.0 V 3.3V output current Io1 1 - - A 1.8V output voltage Io2 1 - - A 8.00.13 1.0170.2 0.080.05 5.50.2 1.50.2 0.8 (7.49) 1.5 2.5 9.50.5 0.8350.2 1.5230.15 10.540.13 Electrical characteristics (Unless otherwise noted Ta=25C, Vcc=5V) Parameter Symbol Min. Typ. Max. Unit Conditions Bias current Ib mA Io=0mA, Io2=0mA - 0.8 1.5 <3.3V output> Output voltage 1 V Io1=500mA Vo1 3.234 3.3 3.366 Min. I/O voltage difference 1 DVd1 V Io1=500mA, Vcc=3.135V - 0.25 0.50 Output current capacity 1 Io1 A 1.0 - - Ripple rejection 1 R.R. 1 dB f=120Hz, ein=1Vrms, Io1=200mA 50 58 - Input stability 1 mV Reg.I1 - 5 30 Vcc=4.1 16V, Io1=500mA mV Io1=0mA 1A Load stability 1 - 30 75 Reg.L1 Output voltage temperature *2 % / Io1=5mA, Tj=0~125C Tcvo1 - 0.01 - C coefficient 1 Output short current 1 mA Vcc=16V IOS1 - - 300 <1.8V output> Output voltage 2 Vo2 V Io2=500mA 1.764 1.8 1.836 Output current capacity 2 Io2 - - A 1.0 Ripple rejection 2 R.R. 2 f=120Hz, ein=1Vrms, Io2=200mA - dB 50 58 Input stability 2 Reg.I2 Vcc=4.1 16V, Io2=500mA - mV 5 30 Io2=0mA 1A Load stability 2 Reg.L2 - mV 30 75 Output voltage temperature *2 - - % / Io1=5mA, Tj=0~125C Tcvo2 0.01 C coefficient 2 Vcc=16V Output short current 2 - - mA IOS2 270 *This product is not designed for protection against radioactive rays. *2 Design guaranteed (All total inspection is not performed.) Block Diagram BA33C18FP/HFP Vcc Vcc Reference Voltage Current Limit Sat. Prevention Vcc Vcc Thermal Current Shut Down Limit Sat. Prevention Vcc N.C. GND(FIN) Vo1 Vo2