5A LOW DROPOUT LINEAR REGULATOR General Description. Features. Applications

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1 General Description The is a series of low dropout positive voltage regulators with a maximum dropout of.5v at 5A of load current. The series features on-chip thermal limiting which provides protection against any combination of overload and ambient temperatures that would create excessive junction temperatures. It also includes a trimmed bandgap reference and a current limiting circuit. The is available in.5v,.8v, 2.5V, 2.85V,.V and 5.0V versions. The fixed versions integrate the adjust resistors. It is also available in an adjustable version which can set the output voltage with two external resistors. The series is available in standard packages of TO-2-2, TO-2-, TO-220 and TO-252. Features Low Dropout Voltage:.V Typically at 5A Current Limiting and Thermal Protection Output Current: 5A Current Limit:.5A Operating Junction Temperature Range:0 to 25 o C Line Regulation: 0.05% (Typical) Load Regulation: 0.2% (Typical) Applications High Efficiency Linear Regulators Battery Chargers Post Regulation for Switching Supply Microprocessor Supply Desktop PCs, RISC and Embedded Processors' Supply TO-2- TO-2-2 TO-252 TO-220 Figure. Package Types of

2 Pin Configuration T Package (TO-220) D Package (TO-252) INPUT INPUT 2 OUTPUT ADJ/GND 2 OUTPUT ADJ/GND S Package (TO-2-) S Package (TO-2-2) INPUT INPUT 2 OUTPUT 2 OUTPUT (TAB) ADJ/GND ADJ/GND Figure 2. Pin Configuration of (Top View) Functional Block Diagram INPUT Thermal - Protection + 2 OUTPUT A B A2 For Adjustable Output, disconnect A and A2, connect B For Fixed Output, connect A and A2, disconnect B ADJ/ GND Figure. Functional Block Diagram of 2

3 Ordering Information - Circuit Type E: Lead Free Blank: Tin Lead TR: Tape and Reel Blank: Tube Package ADJ: Adjustable Output D: TO-252.5: Fixed Output.5V T: TO-220.8: Fixed Output.8V S: TO-2-2.5: Fixed Output 2.5V S2: TO : Fixed Output 2.85V.: Fixed Output.V 5.0: Fixed Output 5.0V Package TO-252 TO-220 Temperature Range 0 to 25 o C 0 to 25 o C Part Number Marking ID Packing Tin Lead Lead Free Tin Lead Lead Free Type D-ADJ D-ADJE D-ADJ D-ADJE Tube D-ADJTR D-ADJTRE D-ADJ D-ADJE Tape & Reel D-.5 D-.5E D-.5 D-.5E Tube D-.5TR D-.5TRE D-.5 D-.5E Tape & Reel D-.8 D-.8E D-.8 D-.8E Tube D-.8TR D-.8TRE D-.8 D-.8E Tape & Reel D-2.5 D-2.5E D-2.5 D-2.5E Tube D-2.5TR D-2.5TRE D-2.5 D-2.5E Tape & Reel D-2.85 D-2.85E D-2.85 D-2.85E Tube D-2.85TR D-2.85TRE D-2.85 D-2.85E Tape & Reel D-. D-.E D-. D-.E Tube D-.TR D-.TRE D-. D-.E Tape & Reel D-5.0 D-5.0E D-5.0 D-5.0E Tube D-5.0TR D-5.0TRE D-5.0 D-5.0E Tape & Reel T-ADJ T-ADJE T-ADJ T-ADJE Tube T-.5 T-.5E T-.5 T-.5E Tube T-.8 T-.8E T-.8 T-.8E Tube T-2.5 T-2.5E T-2.5 T-2.5E Tube T-2.85 T-2.85E T-2.85 T-2.85E Tube T-. T-.E T-. T-.E Tube T-5.0 T-5.0E T-5.0 T-5.0E Tube

4 Ordering Information (Continued) Package TO-2- TO-2-2 Temperature Range 0 to 25 o C 0 to 25 o C Part Number Marking ID Packing Tin Lead LeadFree Tin Lead LeadFree Type S-ADJ S-ADJE S-ADJ S-ADJE Tube S-ADJTR S-ADJTRE S-ADJ S-ADJE Tape & Reel S-.5 S-.5E S-.5 S-.5E Tube S-.5TR S-.5TRE S-.5 S-.5E Tape & Reel S-.8 S-.8E S-.8 S-.8E Tube S-.8TR S-.8TRE S-.8 S-.8E Tape & Reel S-2.5 S-2.5E S-2.5 S-2.5E Tube S-2.5TR S-2.5TRE S-2.5 S-2.5E Tape & Reel S-2.85 S-2.85E S-2.85 S-2.85E Tube S-2.85TR S-2.85TRE S-2.85 S-2.85E Tape & Reel S-. S-.E S-. S-.E Tube S-.TR S-.TRE S-. S-.E Tape & Reel S-5.0 S-5.0E S-5.0 S-5.0E Tube S-5.0TR S-5.0TRE S-5.0 S-5.0E Tape & Reel S2-ADJ S2-ADJE S2-ADJ S2-ADJE Tube S2-ADJTR S2-ADJTRE S2-ADJ S2-ADJE Tape & Reel S2-.5 S2-.5E S2-.5 S2-.5E Tube S2-.5TR S2-.5TRE S2-.5 S2-.5E Tape & Reel S2-.8 S2-.8E S2-.8 S2-.8E Tube S2-.8TR S2-.8TRE S2-.8 S2-.8E Tape & Reel S2-2.5 S2-2.5E S2-2.5 S2-2.5E Tube S2-2.5TR S2-2.5TRE S2-2.5 S2-2.5E Tape & Reel S S2-2.85E S S2-2.85E Tube S2-2.85TR S2-2.85TRE S S2-2.85E Tape & Reel S2-. S2-.E S2-. S2-.E Tube S2-.TR S2-.TRE S2-. S2-.E Tape & Reel S2-5.0 S2-5.0E S2-5.0 S2-5.0E Tube S2-5.0TR S2-5.0TRE S2-5.0 S2-5.0E Tape & Reel BCD Semiconductor's Pb-free products, as designated with "E" suffix in the part number, are RoHS compliant. 4

5 Absolute Maximum Ratings (Note ) Parameter Symbol Min Max Unit Operating Junction Temperature Range T J 50 o C Storage Temperature Range T S o C Lead Temperature (Soldering, 0 sec.) T LEAD 00 o C ESD (Human Body Model) ESD 2000 V Note : Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under"recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability. Recommended Operating Conditions Parameter Symbol Min Max Unit Input Voltage V IN 2 V Operating Junction Temperature Range T J 0 25 o C 5

6 Electrical Characteristics Typicals and limits appearing in normal type apply for T J = 25 o C. Limits appearing in Boldface type apply over the entire operating junction temperature range. Parameter Symbol Conditions Min Typ Max Unit Reference Voltage V REF I OUT = 0mA, V IN -V OUT = V, -ADJ, 0mA I OUT 5A,.5V V IN - V OUT 5V V -.5, I OUT = 0mA, V IN = 4.5V, 0mA I OUT 5A,.V V IN V V -.8, I OUT = 0mA, V IN = 4.8V, 0mA I OUT 5A,.4V V IN V V Output Voltage V OUT -2.5, I OUT = 0mA, V IN = 5.5V, 0mA I OUT 5A, 4.V V IN 7V V -2.85, I OUT = 0mA, V IN = V, 0mA I OUT 5A, 4.5V V IN 8V V -., I OUT = 0mA, V IN =.V, 0mA I OUT 5A, 4.9V V IN 8V V -5.0, I OUT = 0mA, V IN = 8V, 0mA I OUT 5A,.V V IN 0V V -ADJ, I OUT = 0mA, 2.85V V IN 0V % -.5, I OUT = 0mA,.V V IN 0V 0.5 Line Regulation V OUT -.8, I OUT = 0mA,.4V V IN 0V -2.5, I OUT = 0mA, 4.V V IN 0V , I OUT = 0mA, 4.5V V IN 0V , I OUT = 0mA, 4.9V V IN 0V , I OUT = 0mA,.V V IN 0V

7 Electrical Characteristics (Continued) Typicals and limits appearing in normal type apply for T J = 25 o C. Limits appearing in Boldface type apply over the entire operating junction temperature range. Parameter Symbol Conditions Min Typ Max Unit -ADJ, 0mA I OUT 5A, V IN - V OUT = V % -.5, 0mA I OUT 5A, V IN - V OUT = V , 0mA I OUT 5A, V IN - V OUT = V Load Regulation V OUT -2.5, 0mA I OUT 5A, V IN - V OUT = V , 0mA I OUT 5A, V IN - V OUT = V , 0mA I OUT 5A, V IN - V OUT = V , 0mA I OUT 5A, V IN - V OUT = V Dropout Voltage I O = 5A, V REF, V OUT = %..5 V Current Limit I LIMIT V IN - V OUT = V, A Minimum Load Current V IN = 0V (-ADJ) 0 ma Quiescent Current V IN = 0V () 5 0 ma Ripple Rejection f RIPPLE = 20Hz, C OUT = 25µF Tantalum, I OUT = 5A, V IN - V OUT = V 0 72 db Adjust Pin Current V IN = 4.25V, I OUT = 0mA µa Adjust Pin Current Change 0mA I OUT 5A,.5V (V IN -V OUT ) 4.5V µa Temperature Stability I OUT = 0mA, V IN - V OUT = % Long Term Stability T A = 25 o C, 000Hrs 0.5 % RMS Noise (% of V OUT ) 0Hz f 0kHz 0.00 % Thermal Resistance Junction -to-case θ JC TO-2 TO-220 TO o C/W 7

8 Typical Performance Characteristics Dropout Voltage (V) Output Voltage (V) Output Current (A) T J ( o C) Figure 4. Dropout Voltage vs. Output Current Figure 5. Output Voltage vs. Temperature Line Regulation () Adjust Pin Current (ua) T J ( o C) Output Current (A) Figure. Line Regulation vs. Temperature Figure 7. Adjust Pin Current vs. Output Current 8

9 Typical Performance Characteristics (Continued) Dropout Voltage (V).5.0 Short Circuit Current (A) T J ( o C) Dropout Voltage (V) Figure 8. Dropout Voltage vs. Temperature Figure 9. Short Circuit Current vs. Dropout Voltage Figure 0. Load Transient Response Figure. Line Transient Response 9

10 Typical Application V IN 0µF Tantalum V IN -ADJ V OUT + + ADJ R V OUT 22µF Tantalum V OUT =V REF * (+R2/R) + I ADJ * R2 R2 V IN 0µF Tantalum V IN -5.0 V OUT + + GND 22µF Tantalum V OUT Figure 2. Typical Applications of 0

11 Mechanical Dimensions TO-2- Unit: mm(inch) 4.070(0.0) 4.820(0.90) (0.40) 9.50(0.80) 2.540(0.00) 9.50(0.80) 0.290(0.405) 8.840(0.48) 4.70(0.58) 5.740(0.20).50(0.045).90(0.055) 0.50(0.020) 0.990(0.09) 2.540(0.00).270(0.050).90(0.055) 2.90(0.094) 2.90(0.0) 0.50(0.045).90(0.055) (0.05) 0.020(0.00) 0.250(0.00) 2.40(0.04) 2.700(0.0) 0.0(0.04) 0.400(0.0) (0.087) (0.220) 7.420(0.292) 7.980(0.4) 2.540(0.00) 2.540(0.00)

12 Mechanical Dimensions (Continued) TO-2-2 Unit: mm(inch) 4.070(0.0) 4.820(0.90) (0.40) 9.50(0.80).500(0.059) 2.540(0.00) 9.50(0.80) 0.290(0.405) 8.840(0.48) 4.70(0.58) 5.740(0.20).50(0.045).90(0.055) 0.50(0.020) 0.990(0.09) 2.540(0.00).270(0.050).90(0.055) 2.90(0.094) 2.90(0.0) 0.50(0.045).90(0.055) (0.05) 0.020(0.00) 0.250(0.00) 2.40(0.04) 2.700(0.0) 0.0(0.04) 0.400(0.0) (0.087) (0.220) 7.420(0.292) 7.980(0.4) 2.540(0.00) 2.540(0.00) 2

13 Mechanical Dimensions (Continued) TO-220 Unit: mm(inch) 9.0(0.80) 0.0(0.420).50(0.40) 4.00(0.0) 2.580(0.02).80(0.) 0.550(0.022).50(0.05).850(0.07) 0.200(0.008).500(0.059) 8.520(0.5) 9.520(0.75) (.098) 0.280(.92) 4.20(0.50).50(0.50) 7.50(0.40) 4.820(0.90) 2.080(0.082) 2.880(0.) 7.0(0.04).70(0.09) 0.8(0.05) 0 0.8(0.02) 8.7(0.45) (0.00) 0.8(0.05) 2.540(0.00) 0.5(0.04) 0.40(0.0)

14 Mechanical Dimensions (Continued) TO-252 Unit: mm(inch) 5.20(0.20) 5.40(0.24).80(0.25).80(0.2) 0.40(0.08) 0.580(0.02) 2.80(0.08) 2.80(0.094) 0.400(0.0) (0.74) 0.00(0.98) 0.50(0.02) 0.950(0.07) 2.240(0.088) 2.40(0.092) 0.750(0.00) 0.850(0.0) 0.40(0.025) 0.780(0.0) 2.240(0.088) 2.40(0.092).080(0.04).20(0.052) 0.480(0.09) 0.540(0.02) 0.020(0.00) 0.20(0.005) 5.400(0.055).70(0.09) (0.024) (0.020) 2.00(0.02) 5.0(0.2).000(0.8) 5.50(0.29)

15 IMPORTANT NOTICE reserves the right to make changes without further notice to any products or specifications herein. does not assume any responsibility for use of any its products for any particular purpose, nor does assume any liability arising out of the application or use of any its products or circuits. does not convey any license under its patent rights or other rights nor the rights of others. MAIN SITE - Wafer Fab Shanghai SIM- 800, Yi Shan Road, Shanghai 2002, China Tel: , Fax: IC Design Group Advanced Analog Circuits (Shanghai) Corporation 8F, Zone B, 900, Yi Shan Road, Shanghai 2002, China Tel: , Fax: REGIONAL SALES OFFICE Shenzhen Office Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd. Shenzhen Office Advanced Analog Circuits (Shanghai) Corporation Shenzhen Office 27B, Tower C, 2070, Middle Shen Nan Road, Shenzhen 580, China Tel: , Fax: Taiwan Office BCD Semiconductor (Taiwan) Company Limited 4F, 298-, Rui Guang Road, Nei-Hu District, Taipei, Taiwan Tel: , Fax: USA Office BCD Semiconductor Corporation 70 De La Cruz Blvd., Suite 05, Santa Clara, CA , U.S.A Tel: , Fax:

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