Data Sheet 5A LOW DROPOUT LINEAR REGULATOR AZ1084C General Description Features The AZ1084C is a series of low dropout positive voltage regulators with a maximum dropout of 1.5V 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 AZ1084C is available in 1.5V, 1.8V, 2.5V, 3.3V 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. Low Dropout Voltage: 1.35V Typical at 5A Current Limiting and Thermal Protection Output Current: 5A Current Limit: 6.5A Operating Junction Temperature Range: 0 to 125oC Compatible with Low ESR Ceramic Capacitor Line Regulation (Adj Version): 0.015% (Typ) Load Regulation (Adj Version): 0.1% (Typ) Applications * * * * * The AZ1084C series is available in standard packages of TO-263-3, TO-263-2, TO-252-2 (3) and TO-252-2 (4). TO-263-3 High Efficiency Linear Regulators Battery Chargers Post Regulation for Switching Supply Microprocessor Supply Desktop PCs, RISC and Embedded Processors' Supply TO-263-2 TO-252-2 (3) TO-252-2 (4) Figure 1. Package Types of AZ1084C Jan. 2013 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 1 Data Sheet 5A LOW DROPOUT LINEAR REGULATOR AZ1084C Pin Configuration S Package (TO-263-3) S2 Package (TO-263-2) 3 INPUT 3 INPUT 2 OUTPUT 2 OUTPUT (TAB) 1 ADJ/GND 1 ADJ/GND D Packages (TO-252-2 (4)) (TO-252-2 (3)) 3 INPUT 3 INPUT 2 OUTPUT 2 OUTPUT 1 ADJ/GND 1 ADJ/GND Figure 2. Pin Configuration of AZ1084C (Top View) Jan. 2013 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 2 Data Sheet 5A LOW DROPOUT LINEAR REGULATOR AZ1084C Functional Block Diagram 3 Thermal Protection + 2 A1 A2 INPUT OUTPUT For Adjustable Output, disconnect A1 and A2, connect B For Fixed Output, connect A1 and A2, disconnect B B 1 ADJ/ GND Figure 3. Functional Block Diagram of AZ1084C BCD Semiconductor Manufacturing Limited Jan. 2013 Rev. 1. 7 3 Data Sheet 5A LOW DROPOUT LINEAR REGULATOR AZ1084C Ordering Information AZ1084C E1: Lead Free G1: Green Circuit Type TR: Tape and Reel Blank: Tube ADJ: Adjustable Output 1.5: Fixed Output 1.5V 1.8: Fixed Output 1.8V 2.5: Fixed Output 2.5V 3.3: Fixed Output 3.3V 5.0: Fixed Output 5.0V Package S: TO-263-3 S2: TO-263-2 D: TO-252-2 (3)/TO-252-2 (4) Package TO-263-3 TO-263-2 Temperature Range 0 to 125oC 0 to 125oC Part Number Lead Free Marking ID Green Lead Free Green Packing Type AZ1084CS-ADJE1 AZ1084CS-ADJG1 AZ1084CS-ADJE1 AZ1084CS-ADJG1 Tube AZ1084CS-ADJTRE1 AZ1084CS-ADJTRG1 AZ1084CS-ADJE1 AZ1084CS-ADJG1 Tape & Reel AZ1084CS-1.5E1 AZ1084CS-1.5G1 AZ1084CS-1.5E1 AZ1084CS-1.5G1 Tube AZ1084CS-1.5TRE1 AZ1084CS-1.5TRG1 AZ1084CS-1.5E1 AZ1084CS-1.5G1 Tape & Reel AZ1084CS-1.8E1 AZ1084CS-1.8G1 AZ1084CS-1.8E1 AZ1084CS-1.8G1 Tube AZ1084CS-1.8TRE1 AZ1084CS-1.8TRG1 AZ1084CS-1.8E1 AZ1084CS-1.8G1 Tape & Reel AZ1084CS-2.5E1 AZ1084CS-2.5G1 AZ1084CS-2.5E1 AZ1084CS-2.5G1 Tube AZ1084CS-2.5TRE1 AZ1084CS-2.5TRG1 AZ1084CS-2.5E1 AZ1084CS-2.5G1 Tape & Reel AZ1084CS-3.3E1 AZ1084CS-3.3G1 AZ1084CS-3.3E1 AZ1084CS-3.3G1 Tube AZ1084CS-3.3TRE1 AZ1084CS-3.3TRG1 AZ1084CS-3.3E1 AZ1084CS-3.3G1 Tape & Reel AZ1084CS-5.0E1 AZ1084CS-5.0G1 AZ1084CS-5.0E1 AZ1084CS-5.0G1 Tube AZ1084CS-5.0TRE1 AZ1084CS-5.0TRG1 AZ1084CS-5.0E1 AZ1084CS-5.0G1 Tape & Reel AZ1084CS2-ADJE1 AZ1084CS2-ADJG1 AZ1084CS2-ADJE1 AZ1084CS2-ADJG1 Tube AZ1084CS2-ADJTRE1 AZ1084CS2-ADJTRG1 AZ1084CS2-ADJE1 AZ1084CS2-ADJG1 Tape & Reel AZ1084CS2-1.5E1 AZ1084CS2-1.5G1 AZ1084CS2-1.5E1 AZ1084CS2-1.5G1 Tube Tape & Reel AZ1084CS2-1.5TRE1 AZ1084CS2-1.5TRG1 AZ1084CS2-1.5E1 AZ1084CS2-1.5G1 AZ1084CS2-1.8E1 AZ1084CS2-1.8G1 AZ1084CS2-1.8E1 AZ1084CS2-1.8G1 Tube AZ1084CS2-1.8TRE1 AZ1084CS2-1.8TRG1 AZ1084CS2-1.8E1 AZ1084CS2-1.8G1 Tape & Reel AZ1084CS2-2.5E1 AZ1084CS2-2.5G1 AZ1084CS2-2.5E1 AZ1084CS2-2.5G1 Tube AZ1084CS2-2.5TRE1 AZ1084CS2-2.5TRG1 AZ1084CS2-2.5E1 AZ1084CS2-2.5G1 Tape & Reel AZ1084CS2-3.3E1 AZ1084CS2-3.3G1 AZ1084CS2-3.3E1 AZ1084CS2-3.3G1 Tube AZ1084CS2-3.3TRE1 AZ1084CS2-3.3TRG1 AZ1084CS2-3.3E1 AZ1084CS2-3.3G1 Tape & Reel AZ1084CS2-5.0E1 AZ1084CS2-5.0G1 AZ1084CS2-5.0E1 AZ1084CS2-5.0G1 Tube AZ1084CS2-5.0TRE1 AZ1084CS2-5.0TRG1 AZ1084CS2-5.0E1 AZ1084CS2-5.0G1 Tape & Reel Jan. 2013 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 4 Data Sheet 5A LOW DROPOUT LINEAR REGULATOR AZ1084C Ordering Information (Continued) Package TO-252-2 (3)/ TO-252-2 (4) Temperature Range 0 to 125oC Part Number Marking ID Packing Type AZ1084CD-ADJTRG1 AZ1084CD-ADJG1 Tape & Reel AZ1084CD-1.5TRG1 AZ1084CD-1.5G1 Tape & Reel AZ1084CD-1.8TRG1 AZ1084CD-1.8G1 Tape & Reel AZ1084CD-2.5TRG1 AZ1084CD-2.5G1 Tape & Reel AZ1084CD-3.3TRG1 AZ1084CD-3.3G1 Tape & Reel AZ1084CD-5.0TRG1 AZ1084CD-5.0G1 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. BCD Semiconductor Manufacturing Limited Jan. 2013 Rev. 1. 7 5 Data Sheet 5A LOW DROPOUT LINEAR REGULATOR AZ1084C Absolute Maximum Ratings (Note 1) Parameter Operating Junction Temperature Storage Temperature Range Lead Temperature (Soldering, 10sec.) Thermal Resistance (Note 2) Symbol Value Unit TJ 150 oC TSTG -65 to 150 o TLEAD 260 o C TO-263-2 60 TO-263-3 60 TO-252-2 (3)/TO-252-2 (4) 100 JA C o C/W ESD (Human Body Model) ESD 2000 V ESD (Machine Model) ESD 400 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. Note 2: Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating the device outside of its operating ratings. The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(max), the junction-to-ambient thermal resistance, JA, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperature is calculated using: PD(max)=(TJ(max) -TA)/JA. Exceeding the maximum allowable power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. Recommended Operating Conditions Parameter Symbol Input Voltage VIN Operating Junction Temperature Range TJ Jan. 2013 Rev. 1. 7 Min 0 Max Unit 12 V 125 o C BCD Semiconductor Manufacturing Limited 6 Data Sheet 5A LOW DROPOUT LINEAR REGULATOR AZ1084C Electrical Characteristics Typicals and limits appearing in normal type apply for TJ=25oC. Limits appearing in Boldface type apply over the entire operating junction temperature range. Parameter Symbol Reference Voltage VREF Output Voltage Line Regulation VOUT VOUT Conditions Min Typ Max Unit AZ1084C-ADJ, IOUT=10mA, VIN-VOUT=3V, 10mAIOUT5A, 1.5VVIN-VOUT5V 1.238 1.225 1.250 1.250 1.262 1.270 V AZ1084C-1.5, IOUT=0mA, VIN=4.5V, 10mAIOUT5A, 3.0VVIN6V 1.485 1.47 1.5 1.5 1.515 1.53 V AZ1084C-1.8, IOUT=0mA, VIN=4.8V, 10mAIOUT 5A, 3.3VVIN6V 1.782 1.764 1.8 1.8 1.818 1.836 V AZ1084C-2.5, IOUT=0mA, VIN=5.5V 10mAIOUT5A, 4.0VVIN 7V 2.475 2.45 2.5 2.5 2.525 2.55 V AZ1084C-3.3, IOUT=0mA, VIN=6.3V, 10mAIOUT5A, 4.8VVIN8V 3.267 3.234 3.3 3.3 3.333 3.366 V AZ1084C-5.0, IOUT=0mA, VIN=8V, 10mA IOUT5A, 6.5VVIN10V 4.95 4.9 5 5 5.05 5.1 V AZ1084C-ADJ, IOUT=10mA, 2.85VVIN10V 0.015 0.035 0.2 0.2 % AZ1084C-1.5, IOUT=10mA, 3.0VVIN10V 0.5 1 6 6 mV AZ1084C-1.8, IOUT=10mA, 3.3VVIN10V 0.5 1 6 6 mV AZ1084C-2.5, IOUT=10mA, 4.0VVIN10V 0.5 1 6 6 mV AZ1084C-3.3, IOUT=10mA, 4.8VVIN10V 0.5 1 6 6 mV AZ1084C-5.0, IOUT=10mA, 6.5VVIN10V 0.5 1 10 10 mV BCD Semiconductor Manufacturing Limited Jan. 2013 Rev. 1. 7 7 Data Sheet 5A LOW DROPOUT LINEAR REGULATOR AZ1084C Electrical Characteristics (Continued) Typicals and limits appearing in normal type apply for TJ=25oC. Limits appearing in Boldface type apply over the entire operating junction temperature range. Parameter Load Regulation Dropout Voltage Thermal Resistance (Junction to Case) Symbol VOUT VDROP JC Current Limit ILIMIT Minimum Load Current ILOAD (MIN) Quiescent Current IQ Ripple Rejection PSRR Conditions Min Typ Max Unit AZ1084C-ADJ, 0mAIOUT5A, VIN-VOUT=3V 0.1 0.2 0.3 0.4 % AZ1084C-1.5, 0mAIOUT5A, VIN-VOUT=3V 3 7 15 20 mV AZ1084C-1.8, 0mA IOUT5A, VIN-VOUT=3V 3 7 15 20 mV AZ1084C-2.5, 0mAIOUT5A, VIN-VOUT=3V 3 7 15 20 mV AZ1084C-3.3, 0mAIOUT5A, VIN-VOUT=3V 3 7 15 20 mV AZ1084C-5.0, 0mAIOUT5A, VIN-VOUT=3V 5 10 20 35 mV IOUT=4.5A, VREF, VOUT=1% 1.35 1.5 V TO-263-3 4.15 TO-263-2 4.15 TO-252-2 (3)/TO-252-2 (4) 7.36 VIN-VOUT=3V 5.5 oC/W A 6.5 VIN=10V (AZ1084C-ADJ) 3 10 mA VIN=10V (AZ1084C) 5 10 mA fRIPPLE=120Hz, COUT=25F Tantalum, IOUT=5A, VIN-VOUT=3V 60 dB 72 Adjust Pin Current IADJ VIN=4.25V, IOUT=10mA 55 120 A Adjust Pin Current Change IADJ 10mAIOUT5A, 1.5V(VIN-VOUT)4.5V 0.2 5 A Temperature Stability IOUT=10mA, VIN-VOUT=1.5 0.5 % Long Term Stability TA=125oC, 1000Hrs 0.5 % RMS Noise (% of VOUT) 10Hzf10kHz 0.003 % Jan. 2013 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 8 Data Sheet 5A LOW DROPOUT LINEAR REGULATOR AZ1084C Typical Performance Characteristics 1.50 2.53 1.45 2.52 1.35 1.30 Output Voltage (V) Dropout Voltage (V) 1.40 1.25 1.20 1.15 1.10 1.05 1.00 2.51 2.50 2.49 0.95 2.48 0.90 0.85 0.80 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 2.47 5.0 0 25 75 100 125 Junction Temperature ( C) Figure 5. Output Voltage vs. Junction Temperature Figure 4. Dropout Voltage vs. Output Current 0.60 1.260 1.258 0.59 IOUT=10mA Minimum Load Current (mA) Reference Voltage (V) 50 o Output Current (A) 1.256 1.254 1.252 1.250 1.248 0.58 0.57 0.56 0.55 0.54 0.53 0.52 0.51 1.246 0.50 0 20 40 60 80 100 120 0 25 50 75 100 125 0 o Junction Temperature ( C) Junction Temperature ( C) Figure 6. Reference Voltage vs. Junction Temperature Figure 7. Minimum Load Current vs. Junction Temperature BCD Semiconductor Manufacturing Limited Jan. 2013 Rev. 1. 7 9 Data Sheet 5A LOW DROPOUT LINEAR REGULATOR AZ1084C 70 0.0 69 -0.2 Line Regulation (mV) Adjust Pin Current (A) Typical Performance Characteristics (Continued) 68 67 66 -0.4 -0.6 -0.8 65 64 -1.0 0 20 40 60 80 100 120 0 25 o 50 75 100 125 o Junction Temperature ( C) Junction Temperature ( C) Figure 8. Adjust Pin Current vs. Junction Temperature Figure 9. Line Regulation vs. Junction Temperature 1.40 80 75 1.35 65 Dropout Voltage (V) Adjust Pin Current (A) 70 60 55 50 45 40 35 1.30 1.25 30 25 20 1.20 0 1 2 3 4 5 0 25 50 75 100 125 o Output Current (A) Junction Temperature ( C) Figure 10. Adjust Pin Current vs. Output Current Figure 11. Dropout Voltage vs. Junction Temperature Jan. 2013 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 10 Data Sheet 5A LOW DROPOUT LINEAR REGULATOR AZ1084C Typical Performance Characteristics (Continued) 8 80 70 6 60 5 PSRR (dB) Short Circuit Current (A) 7 4 3 2 0 2 4 6 8 10 0 10 12 100 1k 10k 100k Dropout Voltage (V) Frequency (Hz) Figure 12. Short Circuit Current vs. Dropout Voltage Figure 13. PSRR vs. Frequency 1M 40 VOUT (20mV/Div) 100 0 -100 20 0 -20 5 6.5 2.5 5.5 VIN (1V/Div) VOUT (100mV/Div) 30 10 200 IOUT (2.5A/Div) 40 20 1 0 50 0 0.1A -2.5 4.5 3.5 2.5 -5 Time (200s/Div) Time (100s/Div) Figure 14. Load Transient Response (Conditions: VIN=5.5V, VOUT=2.5V, IOUT=10mA to 5A CIN=10F, COUT=10F) Figure 15. Line Transient Response (Conditions: VIN=4.5V to 6.5V, VOUT=2.5V, IOUT=200mA, COUT=10F) BCD Semiconductor Manufacturing Limited Jan. 2013 Rev. 1. 7 11 Data Sheet 5A LOW DROPOUT LINEAR REGULATOR AZ1084C Typical Application VIN V OUT AZ1084C- ADJ V OUT VIN 10F ADJ R1 150 VOUT =VREF * (1+R2 /R1) + I ADJ * R2 22 F R2 150 AZ1084 C-5.0 VIN V IN V OUT VOUT GND 10F 22F Figure 16. Typical Applications of AZ1084C Jan. 2013 Rev. 1. 7 BCD Semiconductor Manufacturing Limited 12 Data Sheet 5A LOW DROPOUT LINEAR REGULATOR AZ1084C Mechanical Dimensions Unit: mm(inch) TO-263-3 4.070(0.160) 4.820(0.190) 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 2.540(0.100) BCD Semiconductor Manufacturing Limited Jan. 2013 Rev. 1. 7 13 Data Sheet 5A LOW DROPOUT LINEAR REGULATOR AZ1084C Mechanical Dimensions (Continued) TO-263-2 4.070(0.160) 4.820(0.190) 9.650(0.380) 10.290(0.405) 8.840(0.348) 70 Unit: mm(inch) 3 1.150(0.045) 1.390(0.055) 1.270(0.050) 1.390(0.055) 7.420(0.292) 8.640(0.340) 9.650(0.380) 0.020(0.001) 0.250(0.010) 2.540(0.100) 1.150(0.045) 1.390(0.055) 2.390(0.094) 2.690(0.106) 1.500(0.059) 14.760(0.581) 15.740(0.620) 3 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) 7 7.980(0.314) 2 8 0.510(0.020) 0.990(0.039) 0.380(0.015) 2.540(0.100) 2.540(0.100) 0 6 Jan. 2013 Rev. 1. 7 2.540(0.100) BCD Semiconductor Manufacturing Limited 14 Data Sheet 5A LOW DROPOUT LINEAR REGULATOR AZ1084C Mechanical Dimensions (Continued) 6.500(0. 256) 6.700(0. 264) 1.290.1 4.700REF 0.470(0.019) 0.600(0.024) 5.250REF 0.600(0.024) 1.000(0.039) 0.150(0.006) 0.750(0.030) 5 9 2.200(0. 087) 2.380(0.094) 0.900(0.035) 1.100(0.043) 0 8 3 7 1.400(0.055) 1.700(0.067) 6.000(0.236) 6.200(0.244) 1.800REF 0.720(0.028) 0.850(0.033) 0.720(0.028) 0.900(0. 035) 5 9 2.900REF 5.130(0.202) 5.460(0.215) Option 1 2.286(0. 090) BSC Unit: mm(inch) 9.800(0.386) 10.400(0.409) 0.900(0.035) 1.250(0.049) TO-252-2 (3) 0 8 Option 2 BCD Semiconductor Manufacturing Limited Jan. 2013 Rev. 1. 7 15 Data Sheet 5A LOW DROPOUT LINEAR REGULATOR AZ1084C Mechanical Dimensions (Continued) TO-252-2 (4) Unit: mm(inch) 2.180(0.086) 2.380(0.094) 6.350(0.250) 6.730(0.265) 0.890(0.035) 1.270(0.050) 4.960(0.195) 5.460(0.215) 4.320(0.170) MIN 0.460(0.018) 0.600(0.024) 2.160(0.085) MIN 0 15 1.200.05 5.210(0.205) MIN 5.970(0.235) 6.220(0.245) 9.940(0.391) 10.340(0.407) 1.700(0.067) 1.900(0.075) 1.145(0.045) 1.492(0.059) 0.765(0.030) 1.124(0.044) 2.290(0.090) BSC 0.640(0.025) 0.884(0.035) 1.010(0.040) MAX DETAIL "A" 0.650(0.026) 0.780(0.031) PLATING 3 3 0.460(0.018) 0.610(0.024) 0.410(0.016) 0.560(0.022) BASE METAL 0.640(0.025) 0.884(0.035) SECTION B-B GAUGE PLANE 1.500(0.059) 1.780(0.070) 0 10 B B 0.020(0.001) 0.120(0.005) 2.740(0.108) REF Jan. 2013 Rev. 1. 7 SEATING PLANE BCD Semiconductor Manufacturing Limited 16 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. 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