Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR General Description Features The AZ2940 is a low dropout three-terminal regulator with a typical dropout of 280mV at 1A output current. · · The AZ2940 provides current limit and thermal shutdown. On-chip thermal shutdown provides protection against any combination of high current and ambient temperature that would create excessive junction temperatures. · · · · Minimum Guaranteed Output Current: 1A Dropout Voltage at IOUT=1A: 280mV Typ. (Except 1.2V and 1.8V Versions) Output Accuracy: ± 1% Low Ground Current Internal Current Limit and Thermal Protection Reversed-battery and Reversed-lead Insertion Protection Fast Transient Response The AZ2940 has 1.2V, 1.8V, 2.5V, 3.3V and 5.0V versions. · The AZ2940 series is available in the industry standard TO-220-3, TO-263-3, TO-252-2 (1), TO-252-2 (3) and SOT-223 power packages. (Detailed information please refer to page 4) Applications TO-220-3 · · · · · · · AZ2940 LCD TV Set Top Box LCD Monitor SMPS Post Regulator Laptop, Palmtop and Notebook Portable Instrumentation USB Power Supply TO-263-3 SOT-223 TO-252-2 (3) TO-252-2 (1) Figure 1. Package Types of AZ2940 Sept. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited 1 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 Pin Configuration T Package (TO-220-3) S Package (TO-263-3) 3 VOUT 2 GND 1 VIN 3 VOUT 2 GND 1 VIN D Package (TO-252-2 (3)) (TO-252-2 (1)) 3 VOUT 3 VOUT 2 GND 2 GND 1 VIN 1 VIN H Package (SOT-223) 3 VOUT 2 GND 1 VIN Figure 2. Pin Configuration of AZ2940 (Top View) Sept. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited 2 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 Pin Description Pin Number Pin Name Function 1 VIN Unregulated Input 2 GND Ground pin. This pin and TAB are internally connected 3 VOUT Regulated Output Functional Block Diagram VIN 1 VOUT 2 GND 16V 1.24V Reference 3 + - Thermal Shutdown Figure 3. Functional Block Diagram of AZ2940 Sept. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited 3 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 Ordering Information - AZ2940 E1: Lead Free G1: Green Circuit Type TR: Tape and Reel Blank: Tube Package T: TO-220-3 S: TO-263-3 D: TO-252-2 (1)/TO-252-2 (3) H: SOT-223 Package TO-220-3 TO-263-3 TO-252-2 (1) /TO-252-2 (3) SOT-223 Temperature Range -40 to 125oC -40 to 125oC -40 to 125oC -40 to 125oC 1.2: Fixed Output 1.2V 1.8: Fixed Output 1.8V 2.5: Fixed Output 2.5V 3.3: Fixed Output 3.3V 5.0: Fixed Output 5.0V Part Number Lead Free Marking ID Green Lead Free Green Packing Type AZ2940T-3.3E1 AZ2940T-3.3G1 AZ2940T-3.3E1 AZ2940T-3.3G1 Tube AZ2940T-5.0E1 AZ2940T-5.0G1 AZ2940T-5.0E1 AZ2940T-5.0G1 Tube AZ2940S-3.3E1 AZ2940S-3.3G1 AZ2940S-3.3E1 AZ2940S-3.3G1 Tube AZ2940S-3.3TRE1 AZ2940S-3.3TRG1 AZ2940S-3.3E1 AZ2940S-3.3G1 Tape & Reel AZ2940S-5.0E1 AZ2940S-5.0G1 AZ2940S-5.0E1 AZ2940S-5.0G1 Tube AZ2940S-5.0TRE1 AZ2940S-5.0TRG1 AZ2940S-5.0E1 AZ2940S-5.0G1 Tape & Reel AZ2940D-1.2G1 AZ2940D-1.2G1 Tube AZ2940D-1.2TRG1 AZ2940D-1.2G1 Tape & Reel AZ2940D-1.8E1 AZ2940D-1.8G1 AZ2940D-1.8E1 AZ2940D-1.8G1 Tube AZ2940D-1.8TRE1 AZ2940D-1.8TRG1 AZ2940D-1.8E1 AZ2940D-1.8G1 Tape & Reel AZ2940D-2.5E1 AZ2940D-2.5G1 AZ2940D-2.5E1 AZ2940D-2.5G1 Tube AZ2940D-2.5TRE1 AZ2940D-2.5TRG1 AZ2940D-2.5E1 AZ2940D-2.5G1 Tape & Reel AZ2940D-3.3E1 AZ2940D-3.3G1 AZ2940D-3.3E1 AZ2940D-3.3G1 Tube AZ2940D-3.3TRE1 AZ2940D-3.3TRG1 AZ2940D-3.3E1 AZ2940D-3.3G1 Tape & Reel AZ2940D-5.0E1 AZ2940D-5.0G1 AZ2940D-5.0E1 AZ2940D-5.0G1 Tube AZ2940D-5.0TRE1 AZ2940D-5.0TRG1 AZ2940D-5.0E1 AZ2940D-5.0G1 Tape & Reel AZ2940H-1.2TRG1 GH12B Tape & Reel AZ2940H-1.8TRG1 GH12F Tape & Reel AZ2940H-2.5TRG1 GH12G Tape & Reel AZ2940H-3.3TRG1 GH12H Tape & Reel AZ2940H-5.0TRG1 GH12J Tape & Reel BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Products with "G1" suffix are available in green packages. Sept. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited 4 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 Absolute Maximum Ratings (Note 1) Parameter Input Voltage Operating Junction Temperature Storage Temperature Range Lead Temperature (Soldering, 10sec) Thermal Resistance Symbol Value Unit VIN 16 V TJ 150 oC TSTG -65 to 150 o C TLEAD 260 o C TO-220-3 60 TO-263-3 60 TO-252-2 (1)/TO-252-2 (3) 100 SOT-223 120 θJA o C/W ESD (Human Body Model) ESD 5000 V ESD (Machine Model) ESD 300 V Note 1: 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 Input Voltage Operating Junction Temperature Symbol Min Max Unit VIN 2.5 13.2 V TJ -40 125 Sept. 2011 Rev. 2. 4 o C BCD Semiconductor Manufacturing Limited 5 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 Electrical Characteristics AZ2940-1.2 Electrical Characteristics Operating Conditions: VIN=2.5V, IOUT=10mA, CIN=10µF, COUT=10µF, TJ=25oC, unless otherwise specified. The Boldface applies over -40oC≤TJ≤125oC. Parameter Symbol Output Voltage VOUT Line Regulation VRLINE Load Regulation VRLOAD Output Voltage Temperature Coefficient ∆VOUT/∆T Ground Current IGND Short Circuit Current Minimum Load Current ISC Condition Min Typ Max IOUT=10mA 1.188 1.2 1.212 V 10mA≤IOUT≤1A, 2.5V≤VIN≤13.2V 1.176 1.2 1.224 V IOUT=10mA, 2.5V≤VIN≤13.2V 3.6 18 mV VIN=2.5V, 10mA≤IOUT≤1A 5.4 27 mV 180 µV/oC 25 mA IOUT=10mA VIN=2.5V IOUT=750mA 12 IOUT=1A 18 mA 2.2 A VOUT=0V (Note 2) 1.5 ILOAD (MIN) Output Noise Voltage (rms) Thermal Resistance θJC Unit 1 10Hz to 100KHz, IOUT=100mA, COUT=10µF 400 TO-252-2 (1)/TO-252-2 (3) 7.8 SOT-223 29.7 5 mA µV oC/W Note 2: VIN=VOUT(NOMINAL)+1V. Sept. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited 6 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 Electrical Characteristics AZ2940-1.8 Electrical Characteristics Operating Conditions: VIN=2.8V, IOUT=10mA, CIN=10µF, COUT=10µF, TJ=25oC, unless otherwise specified. The Boldface applies over -40oC≤TJ≤125oC. Parameter Symbol Output Voltage VOUT Line Regulation VRLINE Load Regulation VRLOAD Condition Min Typ Max IOUT=10mA 1.782 1.8 1.818 V 10mA≤IOUT≤1A, 2.8V≤VIN≤13.2V 1.764 1.8 1.836 V IOUT=10mA, 2.8V≤VIN≤13.2V 3.6 18 mV VIN=2.8V, 10mA≤IOUT≤1A 5.4 27 mV 36 180 µV/oC IOUT=100mA 290 500 mV IOUT=1A 330 750 mV IOUT=750mA 12 25 mA IOUT=1A 18 mA 2.2 A Output Voltage Temperature Coefficient ∆VOUT/∆T IOUT=10mA Dropout Voltage (Note 3) VDROP ∆VOUT=1% Ground Current IGND VIN=2.8V Short Circuit Current Minimum Load Current ISC VOUT=0V (Note 2) 1.5 ILOAD (MIN) Output Noise Voltage (rms) Thermal Resistance θJC 1 10Hz to 100KHz, IOUT=100mA, COUT=10µF 400 TO-252-2 (1)/TO-252-2 (3) 7.8 SOT-223 29.7 5 Unit mA µV oC/W Note 2: VIN=VOUT(NOMINAL)+1V. Note 3: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value which is measured at VOUT+1V applied to VIN. In application, VIN should be no less than 2.5V. Sept. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited 7 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 Electrical Characteristics (Continued) AZ2940-2.5 Electrical Characteristics Operating Conditions: VIN=3.5V, IOUT=10mA, CIN=10µF, COUT=10µF, TJ=25oC, unless otherwise specified. The Boldface applies over -40oC≤TJ≤125oC. Parameter Symbol Condition Min Typ Max Unit IOUT=10mA 2.475 2.5 2.525 V 10mA≤IOUT≤1A, 3.5V≤VIN≤13.2V 2.45 2.5 2.55 V Output Voltage VOUT Line Regulation VRLINE IOUT=10mA, 3.5V≤VIN≤13.2V 5.0 25 mV Load Regulation VRLOAD VIN=3.5V, 10mA≤IOUT≤1A 7.5 37.5 mV 50 250 µV/oC IOUT=100mA 70 200 mV IOUT=1A 280 550 mV IOUT=750mA 12 25 mA IOUT=1A 18 mA 2.2 A Output Voltage Temperature Coefficient ∆VOUT/∆T IOUT=10mA Dropout Voltage (Note 4) VDROP ∆VOUT=1% Ground Current IGND VIN=3.5V Short Circuit Current Minimum Load Current ISC VOUT=0V (Note 2) 1.5 ILOAD (MIN) Output Noise Voltage (rms) Thermal Resistance θJC 1 10Hz to 100KHz, IOUT=100mA, COUT=10µF 400 TO-252-2 (1)/TO-252-2 (3) 7.8 SOT-223 29.7 5 mA µV oC/W Note 2: VIN=VOUT(NOMINAL)+1V. Note 4: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value which is measured at VOUT+1V applied to VIN. Sept. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited 8 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 Electrical Characteristics (Continued) AZ2940-3.3 Electrical Characteristics Operating Conditions: VIN=4.3V, IOUT=10mA, CIN=10µF, COUT=10µF, TJ=25oC, unless otherwise specified. The Boldface applies over -40oC≤TJ≤125oC. Parameter Symbol Output Voltage VOUT Line Regulation VRLINE Load Regulation VRLOAD Output Voltage Temperature Coefficient Dropout Voltage (Note 4) ∆VOUT/∆T VDROP Condition Min Typ Max Unit IOUT=10mA 3.27 3.3 3.33 V 10mA≤IOUT≤1A, 4.3V≤VIN≤13.2V 3.23 3.3 3.37 V IOUT=10mA, 4.3V≤VIN≤13.2V 6.6 33 mV VIN=4.3V, 10mA≤IOUT≤1A 9.9 50 mV IOUT=10mA 66 330 µV/oC IOUT=100mA 70 200 mV IOUT=1A 280 550 mV IOUT=750mA 12 25 mA IOUT=1A 18 mA 2.2 A ∆VOUT=1% Ground Current IGND VIN=4.3V Short Circuit Current ISC VOUT=0V (Note 2) Minimum Load Current 1.5 ILOAD (MIN) Output Noise Voltage (rms) Thermal Resistance θJC 1 10Hz to 100KHz, IOUT=100mA, COUT=10µF 400 TO-220-3 4.4 TO-263-3 4.4 TO-252-2 (1)/TO-252-2 (3) 7.8 SOT-223 29.7 5 mA µV o C/W Note 2: VIN=VOUT(NOMINAL)+1V. Note 4: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value which is measured at VOUT+1V applied to VIN. Sept. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited 9 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 Electrical Characteristics (Continued) AZ2940-5.0 Electrical Characteristics Operating Conditions: VIN=6V, IOUT=10mA, CIN=10µF, COUT=10µF, TJ=25oC, unless otherwise specified. The Boldface applies over -40oC≤TJ≤125oC. Parameter Symbol Output Voltage VOUT Line Regulation VRLINE Load Regulation VRLOAD Condition Min Typ Max Unit IOUT=10mA 4.95 5.0 5.05 V 10mA≤IOUT≤1A, 6V≤VIN≤13.2V 4.90 5.0 5.10 V IOUT=10mA, 6V≤VIN≤13.2V 10 50 mV VIN=6V, 10mA≤IOUT≤1A 15 75 mV IOUT=10mA 100 500 µV/oC IOUT=100mA 70 200 mV IOUT=1A 280 550 mV IOUT=750mA 12 25 mA IOUT=1A 18 mA 2.2 A Output Voltage Temperature Coefficient ∆VOUT/∆T Dropout Voltage (Note 4) VDROP ∆VOUT=1% Ground Current IGND VIN=6V Short Circuit Current Minimum Load Current ISC VOUT=0V (Note 3) 1.5 ILOAD (MIN) Output Noise Voltage (rms) Thermal Resistance θJC 1 10Hz to 100KHz, IOUT=100mA, COUT=10µF 400 TO-220-3 4.4 TO-263-3 4.4 TO-252-2 (1)/TO-252-2 (3) 7.8 SOT-223 29.7 5 mA µV o C/W Note 2: VIN=VOUT(NOMINAL)+1V. Note 4: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value which is measured at VOUT+1V applied to VIN. Sept. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited 10 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 5.020 5.0250 5.018 5.0225 5.016 5.0200 5.014 5.0175 Output Voltage (V) Output Voltage (V) Typical Performance Characteristics 5.012 5.010 AZ2940-5.0 5.008 5.006 5.004 IOUT=10mA 5.002 TJ=25 C 5.000 5.0150 5.0125 5.0100 5.0075 5.0050 VIN=6V 5.0025 TJ=25 C o o 5.0000 6 7 8 9 10 11 12 AZ2940-5.0 13 14 0 250 Input Voltage (V) Figure 4. Line Regulation 1000 20 22.5 VIN=6V 20.0 o 18 TJ=25 C 17.5 15.0 12.5 10.0 AZ2940-5.0 7.5 14 12 6 2.5 2 0 500 750 1000 IOUT=1A 8 4 250 IOUT=100mA 10 5.0 0 o TJ=25 C 16 Ground Current (mA) Ground Current (mA) 750 Figure 5. Load Regulation 25.0 0.0 500 Output Current (mA) 0 2 4 6 8 10 12 14 16 Input Voltage (V) Output Current (mA) Figure 7. Ground Current vs. Input Voltage Figure 6. Ground Current vs. Output Current Sept. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited 11 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 500 0.37 450 0.36 400 0.35 Ground Current (mA) Dropout Voltage (mV) Typical Performance Characteristics (Continued) 350 300 AZ2940-5.0 250 200 150 0.33 AZ2940-5.0 0.32 0.31 0.30 0.29 TJ=25 C 50 0 IOUT=10mA 0.34 o 100 VIN=6V 0.28 0 250 500 750 0.27 1000 -25 0 75 100 125 Figure 9. Ground Current vs. Junction Temperature Figure 8. Dropout Voltage vs. Output Current 10.0 3.50 3.25 9.5 VIN=6V VIN=6V 9.0 IOUT=500mA Ground Current (mA) 3.00 Ground Current (mA) 50 o Output Current (mA) 2.75 AZ2940-5.0 2.50 2.25 2.00 IOUT=1A 8.5 8.0 AZ2940-5.0 7.5 7.0 6.5 6.0 1.75 1.50 25 Junction Temperature ( C) 5.5 5.0 -25 0 25 50 75 100 125 -25 0 25 50 75 100 125 o o Junction Temperature ( C) Junction Temperature ( C) Figure 11. Ground Current vs. Junction Temperature Figure 10. Ground Current vs. Junction Temperature Sept. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited 12 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 500 500 475 475 450 450 425 425 Dropout Voltage (mV) Dropout Voltage (mV) Typical Performance Characteristics (Continued) 400 375 350 325 AZ2940-5.0 300 275 250 375 350 -25 0 25 50 75 100 AZ2940-5.0 325 300 275 IOUT=1A 250 IOUT=750mA 225 200 400 225 200 125 -25 0 o 25 50 75 Junction Temperature ( C) Figure 13. Dropout Voltage vs. Junction Temperature 100 5.05 COUT=2.2µF 5.03 Output Capacitor ESR (Ω) 5.04 Output Voltage (V) 125 Junction Temperature ( C) Figure 12. Dropout Voltage vs. Junction Temperature AZ2940-5.0 5.02 5.01 5.00 4.99 4.98 VIN=6V 4.97 VOUT=5V 10 O TA=25 C Stable Range 1 0.1 IOUT=10mA 4.96 4.95 100 o Unstable Range -25 0 25 50 75 100 0.01 125 o Junction Temperature ( C) 0 20 40 60 80 100 Output Current (mA) Figure 14. Output Voltage vs. Junction Temperature Figure 15. Output Capacitor ESR vs. Output Current Sept. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited 13 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 Typical Performance Characteristics (Continued) 0.4 ∆VOUT (0.2V/Div) 100 COUT=10µF O TA=25 C 0.1 Unstable Range 0.01 0 -0.2 Stable Range 1 IOUT (0.5A/Div) Output Capacitor ESR (Ω) VOUT=5V 10 0 200 400 600 800 1 0.5 0 -0.5 1000 Output Current (mA) Time (200µs/Div) Figure 17. Load Transient Figure 16. Output Capacitor ESR vs. Output Current 0.06 ∆VOUT (0.02V/Div) AZ2940-5.0 COUT=47µF 0.2 0 -0.2 ∆VIN (0.5V/Div) ∆VOUT (0.2V/Div) 0.4 IOUT (0.5A/Div) AZ2940-5.0 COUT=10µF 0.2 1 0.5 0 AZ2940-5.0 IOUT=10mA 0.04 0.02 0 1 0.5 0 -0.5 -0.5 Time (200µs/Div) Time (200µs/Div) Figure 18. Load Transient Figure 19. Line Transient Sept. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited 14 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 Typical Performance Characteristics (Continued) 50 50 40 Power Dissipation (W) Power Dissipation (W) 40 35 30 25 20 15 35 30 25 20 15 10 10 5 5 0 0 -25 0 25 50 75 100 Package:TO-252-2 (1)/TO-252-2 (3) 2 45*43mm Heatsink No Heatsink 45 Package:TO-220-3 2 45*43mm Heatsink No Heatsink 45 125 -25 0 25 50 75 100 125 o Case Temperature ( C) o Case Temperature ( C) Figure 21. Power Dissipation vs. Case Temperature Figure 20. Power Dissipation vs. Case Temperature 50 45 Package:TO-263-3 2 45*43mm Heatsink No Heatsink Power Dissipation (W) 40 35 30 25 20 15 10 5 0 -25 0 25 50 75 100 125 o Case Temperature ( C) Figure 22. Power Dissipation vs. Case Temperature Sept. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited 15 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 Typical Application 1 VIN VIN V OUT 3 VOUT AZ2940 + CIN + GND COUT 2 Figure 23. Typical Application of AZ2940 Note: CIN is required if regulator is located far from power supply filter and is recommended to be 0.47µF or greater. To maintain stability, COUT is recommended to be 2.2µF or greater. The ESR of this capacitor is critical, please see curve. Sept. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited 16 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 Mechanical Dimensions TO-220-3 9. 660(0. 380) 10. 660(0. 420) 2.580(0.102) 3.380(0.133) 0. 550(0. 022) 1. 350(0. 053) 1.160(0. 046) 1.760(0. 069) 14.230(0.560) 16.510(0.650) φ1. 500(0. 059) 27.880(1.098) 30.280(1.192) 8.520(0.335) 9.520(0.375) 1.850(0.073) φ3. 560(0. 140) 4. 060(0. 160) Unit: mm(inch) 0. 200(0. 008) 7° 3. 560(0.140) 4. 820(0.190) 2.080(0. 082) 2.880(0. 113) 3° 7° 0. 381(0. 015) 60 ° 0. 813(0. 032) 8.763(0.345) 60 ° 0. 381(0. 015) 2. 540(0. 100) 2. 540(0. 100) Sept. 2011 Rev. 2. 4 0.356 (0.014) 0.610 (0.024) BCD Semiconductor Manufacturing Limited 17 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 Mechanical Dimensions (Continued) TO-263-3 4.070(0.160) 4.820(0.190) Unit: mm(inch) 3° 9.650(0.380) 10.290(0.405) 8.840(0.348) 70° 7.420(0.292) 1.150(0.045) 1.390(0.055) 1.270(0.050) 1.390(0.055) 14.760(0.581) 15.740(0.620) 1.150(0.045) 1.390(0.055) 3° 0.510(0.020) 0.990(0.039) 2.540(0.100) 2.640(0.104) 2.700(0.106) 0.360(0.014) 0.400(0.016) 7° 2.200(0.087) 5.600(0.220) 0.020(0.001) 0.250(0.010) 2.390(0.094) 2.690(0.106) 8.640(0.340) 9.650(0.380) 7° 7.980(0.314) 2° 8° 0.380(0.015) 2.540(0.100) 2.540(0.100) 0° 6° Sept. 2011 Rev. 2. 4 2.540(0.100) BCD Semiconductor Manufacturing Limited 18 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 Mechanical Dimensions (Continued) SOT-223 Unit: mm(inch) 6.300(0.248) 6.700(0.264) ) 0.250(0.010 ) 14 .0 0.350(0 2.900(0.114) 3.100(0.122) 0.900(0.035) 3.700(0.146) 3.300(0.130) 7.300(0.287) 6.700(0.264) MIN 0.250(0.010) 1.750(0.069) TYP 2.300(0.091) 0.610(0.024) TYP 0.810(0.032) 4.500(0.177) 0° 10° 4.700(0.185) 0.020(0.001) 0.100(0.004) 1.500(0.059) 1.520(0.060) 1.700(0.067) 1.800(0.071) Sept. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited 19 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 Mechanical Dimensions (Continued) 1.350(0.053) 1.650(0.065) TO-252-2 (1) 6.450(0.254) 6.650(0.262) 5.200(0.205) 5.400(0.213) Unit: mm(inch) 2.200(0.087) 2.400(0.094) 0.450(0.018) 0.580(0.023) 4.300(0.169) 5.400(0.213) 5° 0.700(0.028) 0.900(0.035) 0.500(0.020) 0.700(0.028) 2.300TYP 4.500(0.177) 4.700(0.185) 1.400(0.055) 1.780(0.070) 5° 3° 4° 0.450(0.018) 0.580(0.023) Sept. 2011 Rev. 2. 4 4.800(0.189) 6.500(0.256) 3.800REF(0.150REF) 5.450(0.215) 6.250(0.246) 0.000(0.000) 0.127(0.005) 2.550(0.100) 2.900(0.114) 0.600(0.024) 0.900(0.035) 9.500(0.374) 9.900(0.390) 8° BCD Semiconductor Manufacturing Limited 20 Data Sheet 1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940 Mechanical Dimensions (Continued) 4.700REF 0.470(0.019) 0.600(0.024) 9 0.900(0.035) 1.100(0.043) 0 2.900REF 8 3 7 1.400(0.055) 1.700(0.067) 0.720(0.028) 0.850(0.033) 5 9.800(0.386) 10.40(0.409) 0.600(0.024) 1.000(0.039) 0.150(0.006) 0.750(0.030) 1.29±0.1 5.250REF 5.130(0.202) 5.460(0.215) 0.720(0.028) 0.900(0.035) 2.286(0.090) BSC Unit: mm(inch) 6.500(0.256) 6.700(0.264) 1.800REF 6.000(0.236) 6.200(0.244) 0.900(0.035) 1.250(0.049) TO-252-2 (3) 5 9 0 8 2.200(0.087) 2.380(0.094) Sept. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited 21 BCD Semiconductor Manufacturing Limited http://www.bcdsemi.com IMPORTANT NOTICE IMPORTANT NOTICE BCD Semiconductor BCD Semiconductor Manufacturing Manufacturing Limited Limited reserves reserves the the right right to to make make changes changes without without further further notice notice to to any any products products or or specifispecifications herein. cations herein. BCD BCD Semiconductor Semiconductor Manufacturing Manufacturing Limited Limited does does not not assume assume any any responsibility responsibility for for use use of of any any its its products products for for any any particular purpose, particular purpose, nor nor does does BCD BCD Semiconductor Semiconductor Manufacturing Manufacturing Limited Limited assume assume any any liability liability arising arising out out of of the the application application or or use use of any of any its its products products or or circuits. circuits. BCD BCD Semiconductor Semiconductor Manufacturing Manufacturing Limited Limited does does not not convey convey any any license license under under its its patent patent rights rights or or other rights other rights nor nor the the rights rights of of others. others. MAIN SITE SITE MAIN - Headquarters BCD Semiconductor Manufacturing Limited BCD Semiconductor Manufacturing Limited - Wafer Fab No. 1600, Zi Xing Road, Shanghai ZiZhu Science-basedLimited Industrial Park, 200241, China Shanghai SIM-BCD Semiconductor Manufacturing Tel: Fax: +86-21-24162277 800,+86-21-24162266, Yi Shan Road, Shanghai 200233, China Tel: +86-21-6485 1491, Fax: +86-21-5450 0008 REGIONAL SALES OFFICE Shenzhen OfficeSALES OFFICE REGIONAL - Wafer FabSemiconductor Manufacturing Limited BCD Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd. - IC Design Group 800 Yi Shan Road, Shanghai 200233, China Corporation Advanced Analog Circuits (Shanghai) Tel: +86-21-6485 1491,YiFax: 0008200233, China 8F, Zone B, 900, Shan+86-21-5450 Road, Shanghai Tel: +86-21-6495 9539, Fax: +86-21-6485 9673 Taiwan Office Shanghai Semiconductor Manufacturing Co., Ltd., Shenzhen Office BCD Taiwan Semiconductor Shenzhen SIM-BCD Office Office (Taiwan) Company Limited Unit A Room 1203, Skyworth Bldg., Gaoxin Ave.1.S., Nanshan Shenzhen, 4F, 298-1, Guang Road,(Taiwan) Nei-Hu District, Taipei, Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd.District, Shenzhen Office BCDRui Semiconductor Company Limited China Taiwan Advanced Analog Circuits (Shanghai) Corporation Shenzhen Office 4F, 298-1, Rui Guang Road, Nei-Hu District, Taipei, Tel: +86-755-8826 Tel: +886-2-2656 2808 Room E, 5F, Noble 7951 Center, No.1006, 3rd Fuzhong Road, Futian District, Shenzhen 518026, China Taiwan Fax: +86-755-88267951 7865 Fax: +886-2-2656 28062808 Tel: +86-755-8826 Tel: +886-2-2656 Fax: +86-755-8826 7865 Fax: +886-2-2656 2806 USA Office BCD Office Semiconductor Corp. USA 30920Semiconductor Huntwood Ave.Corporation Hayward, BCD CA 94544, USA Ave. Hayward, 30920 Huntwood Tel :94544, +1-510-324-2988 CA U.S.A Fax:: +1-510-324-2988 +1-510-324-2788 Tel Fax: +1-510-324-2788