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BA33C18FP Dataheets PDF



Part Number BA33C18FP
Manufacturers Rohm
Logo Rohm
Description 2-output LDO series regulator
Datasheet BA33C18FP DatasheetBA33C18FP Datasheet (PDF)

2-output LDO series regulator BA33C18FP/HFP (7.49) 0.835±0.2 1.523±0.15 10.54±0.13 Description BA33C18FP/HFP is a 2-output LDO series regulator IC. Output current is 1A at maximum and output voltage accuracy is +/-2%. This IC incorporates over-current protection and thermal protection circuits. Dimension (Unit : mm) BA33C18FP 1.5±0.2 6.5±0.2 5.1+−00..21 2-C0.5 2.3±0.2 0.5±0.1 9.5±0.5 5.5±0.2 Features 1) 3.3V/1A, 1.8V/1A 2) Output voltage accuracy: +/-2% 3) PNP output and LDO voltage typ.

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2-output LDO series regulator BA33C18FP/HFP (7.49) 0.835±0.2 1.523±0.15 10.54±0.13 Description BA33C18FP/HFP is a 2-output LDO series regulator IC. Output current is 1A at maximum and output voltage accuracy is +/-2%. This IC incorporates over-current protection and thermal protection circuits. Dimension (Unit : mm) BA33C18FP 1.5±0.2 6.5±0.2 5.1+−00..21 2-C0.5 2.3±0.2 0.5±0.1 9.5±0.5 5.5±0.2 Features 1) 3.3V/1A, 1.8V/1A 2) Output voltage accuracy: +/-2% 3) PNP output and LDO voltage type 4) Built-in output current limit circuit protects the IC from destruction by short 5) Built-in temperature protection circuit protects the IC from thermal destruction by overload state 6) TO252-5 package, HRP-5 package 1.017±0.2 123 45 0.8 0.5 1.27 TO252-5 1.5 2.5 0.5±0.1 1.0±0.2 BA33C18HFP 9.39±0.125 8.82±0.1 (5.59) 1.905±0.1 8.0±0.13 Applications DVD-ROM, DVD-RW, HDD Absolute Maximum Ratings (Ta=25˚C) Parameter Symbol Limits Applied voltage Power dissipation VCC Pd 18 2300 ∗1 Operating temperature range Topr -40 ~ +105 Storage temperature range Tstg -55 ~ +150 ∗1 Derating : 18.4mW/˚C for operation above Ta ≥ 25˚C 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=25˚C) Parameter Symbol Min. Input supply voltage VCC 4.1 3.3V output current Io1 - 1.8V output voltage Io2 - Typ. - Max. 16.0 1 1 1.2575 1 234 5 0.08±0.05 1.72 0.73±0.1 D 0.08 S HRP-5 Unit V mW ˚C ˚C Unit V A A 4.5° + − 54..55°° 0.27 + − 00..015 S Electrical characteristics (Unless otherwise noted; Ta=25˚C, Vcc=5V) Parameter Symbol Min. Typ. Max. Unit Conditions Bias current Ib - 0.8 1.5 mA Io=0mA, Io2=0mA <3.3V output> Output voltage 1 Min. I/O voltage difference 1 Output current capacity 1 Ripple rejection 1 Input stability 1 Load stability 1 Output voltage temperature coefficient 1 Output short current 1 ∗2 <1.8V output> Vo1 ∆Vd1 Io1 R.R. 1 Reg.I1 Reg.L1 Tcvo1 IOS1 3.234 1.0 50 - 3.3 0.25 58 5 30 ±0.01 300 3.366 0.50 30 75 - V V A dB mV mV % /˚C mA Io1=500mA Io1=500mA, Vcc=3.135V f=120Hz, ein=1Vrms, Io1=200mA Vcc=4.1 → 16V, Io1=500mA Io1=0mA → 1A Io1=5mA, Tj=0~125˚C Vcc=16V Output voltage 2 Output current capacity 2 Ripple rejection 2 Input stability 2 Vo2 Io2 R.R. 2 Reg.I2 1.764 1.0 50 - Load stability 2 Reg.L2 - Output voltage temperature ∗2 coefficient 2 Tcvo2 - Output short current 2 IOS2 - ∗This product is not designed for protection against radioactive rays. ∗2 Design guaranteed (All total inspection is not performed.) 1.8 - 58 5 30 ±0.01 270 1.836 - 30 75 - V Io2=500mA A dB f=120Hz, ein=1Vrms, Io2=200mA mV Vcc=4.1 → 16V, Io2=500mA mV Io2=0mA → 1A % / ˚C Io1=5mA, Tj=0~125˚C mA Vcc=16V Block Diagram BA33C18FP/HFP Reference Voltage Vcc Vcc Current Limit Sat. Prevention Thermal Shut Down Vcc Vcc Current Limit Sat. Prevention Vcc N.C. GND(FIN) Vo1 Vo2 Appendix Notes No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. Please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. Any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. ROHM CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by ROHM CO., LTD. is granted to any such buyer. Products listed in this document use silicon as a basic material. Products listed in this document are no antiradiation design. The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require .


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