Data Sheet 1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR General Description Features The AS78XX series are three terminal positive regulators designed for a wide variety of applications including local, on-card regulation. · · · The AS78XX are complete with internal current limiting, thermal shutdown protection, and safe-area compensation which make them virtually immune from output overload. If adequate heat sinking are provided, these regulators can deliver output currents up to 1A. · · · AS78XX Output Current up to 1A Fixed Output Voltages of 5V, 8V, 9V, 12V and 15V Output Voltage Accuracy of ±4% over the Full Temperature Range Internal Short Circuit Current Limiting Internal Thermal Overload Protection Output Transistor Safe-area Protection Applications The AS78XX are available in TO-220-3 and TO-252-2 (1) packages. · · · · High Efficiency Linear Regulator Post Regulation for Switching Supply Microprocessor Power Supply Mother Board TO-252-2 (1) TO-220-3 Figure 1. Package Types of AS78XX Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 1 Data Sheet 1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR AS78XX Pin Configuration T Package (TO-220-3) 3 D Package (TO-252-2 (1) ) 2 OUTPUT GND 1 INPUT 3 OUTPUT 2 GND 1 INPUT Figure 2. Pin Configuration of AS78XX (Top View) Pin Description Pin Number Pin Name Function 1 INPUT Voltage Input 2 GND Ground 3 OUTPUT Voltage Output Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 2 Data Sheet 1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR AS78XX Functional Block Diagram 1 R9 Q9 INPUT D1 Zener Q14 R16 Q21 Q24 R20 C1 R1 R21 Q18 R17 R12 3 Q6 Q3 Q22 R3 Q11 OUTPUT R2 2 Q10 R18 R7 Q7 Q1 R23 Q4 Q16 R4 R14 Q8 R11 R5 R15 R6 Q23 Q13 Q5 Q2 Q15 R19 C2 Q19 Q17 Q12 R2 R8 Q20 R13 R10 2 GND Figure 3. Functional Block Diagram of AS78XX Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 3 Data Sheet 1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR AS78XX Ordering Information - AS78XX E1: Lead Free Circuit Type TR: Tape and Reel Blank: Tube Output Voltage 05: 5V 08: 8V 09: 9V 12: 12V 15: 15V Package Temperature Range TO-220-3 TO-252-2 (1) -40 to 125oC -40 to 125oC Package T: TO-220-3 D: TO-252-2 (1) Part Number Marking ID Packing Type AS7805T-E1 AS7805T-E1 Tube AS7808T-E1 AS7808T-E1 Tube AS7809T-E1 AS7809T-E1 Tube AS7812T-E1 AS7812T-E1 Tube AS7815T-E1 AS7815T-E1 Tube AS7805D-E1 AS7805D-E1 Tube AS7805DTR-E1 AS7805D-E1 Tape & Reel AS7808D-E1 AS7808D-E1 Tube AS7808DTR-E1 AS7808D-E1 Tape & Reel AS7809D-E1 AS7809D-E1 Tube AS7809DTR-E1 AS7809D-E1 Tape & Reel AS7812D-E1 AS7812D-E1 Tube AS7812DTR-E1 AS7812D-E1 Tape & Reel AS7815D-E1 AS7815D-E1 Tube AS7815DTR-E1 AS7815D-E1 Tape & Reel BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 4 Data Sheet 1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR AS78XX Absolute Maximum Ratings (Note 1) Parameter Symbol Value Unit VIN 36 V TLEAD 260 Power Dissipation PD Internally Limited Operating Junction Temperature TJ 150 TSTG -65 to 150 Input Voltage Lead Temperature (Soldering, 10sec) Storage Temperature Range θJA Thermal Resistance o C W o C oC TO-220-3 60 TO-252-2 (1) 100 oC/W ESD (Human Body Model) ESD 3000 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. Recommended Operating Conditions Parameter Input Voltage Symbol Min Max AS7805 25 AS7808 25 AS7809 VIN 25 AS7812 30 AS7815 30 Operating Junction Temperature Range TJ -40 Mar. 2007 Rev. 1. 4 125 Unit V oC BCD Semiconductor Manufacturing Limited 5 Data Sheet 1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR AS78XX Electrical Characteristics AS7805 (VIN=10V, IOUT=1A, TJ=-40 to 125oC, unless otherwise specified.) Parameter Symbol Conditions o Output Voltage VOUT TJ=25 C IOUT=5mA to 1A, VIN=7.5V to 20V, PD≤15W Line Regulation VRLINE VIN=7.5V to 20V, IOUT=1A, TJ=25oC Load Regulation VRLOAD Quiescent Current Quiescent Current Change IQ ∆IQ Max 5 5.1 o VIN=10V, IOUT=5mA to 1A, TJ=25 C VIN=10V, IOUT=0 o VIN=8V to 25V, IOUT=500mA, TJ=25 C =25oC Ripple Rejection PSRR Dropout Voltage VDROP ∆VOUT=1%, IOUT=1A, TJ=25oC 5.2 Unit V 7 50 mV 25 100 mV 3.2 6 mA 0.3 0.8 0.08 0.5 mA 73 dB 2 V 10 µV/VO 10 mΩ 0.2 A 2.2 A ∆VOUT/∆T 0.4 mV/oC (∆VOUT/VOUT)/∆T 80 ppm/oC NO f=10Hz to 100kHz, TA Output Resistance RO f=1kHz Short Circuit Current ISC Peak Output Current IPK Output Voltage Temperature Coefficient Typ 4.9 4.8 IOUT=5mA to 1A, TJ VIN=8V to 18V, f=120Hz, IOUT=500mA Output Noise Voltage Min VIN=35V, VIN=10V, =25oC TA=25oC TJ=25oC AS7808 (VIN=14V, IOUT=1A, TJ=-40 to 125oC, unless otherwise specified.) Parameter Symbol Conditions Min Typ Max 7.84 8 8.16 Unit Output Voltage VOUT TJ=25oC IOUT=5mA to 1A, VIN=10.6V to 23V, PD≤15W Line Regulation VRLINE VIN=10.6V to 23V, IOUT=1A, TJ=25oC 12 80 mV Load Regulation VRLOAD VIN=14V, IOUT=5mA to 1A, TJ=25oC VIN=14V, IOUT=0 25 100 mV 3.2 6 mA 0.08 0.4 0.1 0.5 Quiescent Current Quiescent Current Change IQ ∆IQ Ripple Rejection PSRR Dropout Voltage VDROP VIN=8V to 25V, IOUT=500mA, TJ =25oC IOUT=5mA to 1A, TJ VIN=11.5V to 21.5V, f=120Hz, IOUT=500mA ∆VOUT=1%, IOUT=1A, TJ=25oC 62 V mA dB 2 V 10 10 mΩ VIN=35V, TA=25oC 0.2 A =25oC 2.2 A ∆VOUT/∆T 0.64 mV/oC (∆VOUT/VOUT)/∆T 80 ppm/oC Output Noise Voltage f=10Hz to 100kHz, TA Output Resistance RO f=1kHz Short Circuit Current ISC IPK Output Voltage Temperature Coefficient 8.3 µV/VO NO Peak Output Current =25oC 7.7 VIN=14V, TJ Mar. 2007 Rev. 1. 4 =25oC BCD Semiconductor Manufacturing Limited 6 Data Sheet 1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR AS78XX Electrical Characteristics (Continued) AS7809 (VIN=15V, IOUT=1A, TJ=-40 to 125oC, unless otherwise specified.) Parameter Symbol Conditions Min Typ Max 8.82 9 9.18 Unit Output Voltage VOUT TJ=25oC IOUT=5mA to 1A, VIN=11.5V to 23V, PD≤15W Line Regulation VRLINE VIN=11.5V to 23V, IOUT=1A, TJ=25oC 12 90 mV Load Regulation VRLOAD VIN=15V, IOUT=5mA to 1A, TJ=25oC VIN=15V, IOUT=0 25 100 mV 3.2 6 mA 0.08 0.4 0.1 0.5 Quiescent Current IQ 8.65 VIN=11.5V to 23V, IOUT=500mA, Quiescent Current Change ∆IQ Ripple Rejection PSRR Dropout Voltage VDROP TJ=25oC IOUT=5mA to 1A, TJ=25oC VIN=11.5V to 21.5V, f=120Hz, IOUT=500mA ∆VOUT=1%, IOUT=1A, TJ=25oC NO f=10Hz to 100kHz, TA Output Resistance RO f=1kHz Short Circuit Current ISC VIN=35V, Peak Output Current IPK VIN=15V, Output Noise Voltage Output Voltage Temperature Coefficient =25oC 9.35 V mA 61 dB 2 V 10 µV/VO 10 mΩ 0.2 A 2.2 A ∆VOUT/∆T 0.72 mV/oC (∆VOUT/VOUT)/∆T 80 ppm/oC TA=25oC TJ=25oC AS7812 (VIN=19V, IOUT=1A, TJ=-40 to 125oC, unless otherwise specified.) Parameter Symbol Min Typ Max TJ=25oC Conditions 11.75 12 12.25 11.5 Output Voltage VOUT IOUT=5mA to 1A, VIN=14.8V to 27V, PD≤15W Line Regulation VRLINE VIN=14.8V to 27V, IOUT=1A, TJ=25oC Load Regulation VRLOAD Quiescent Current Quiescent Current Change IQ ∆IQ VIN=19V, IOUT=5mA to 1A, VIN=19V, IOUT=0 TJ=25oC VIN=15V to 30V, IOUT=500mA, TJ o V 16 120 mV 25 100 mV 3.4 6 mA =25oC 0.3 0.8 0.08 0.5 Ripple Rejection PSRR IOUT=5mA to 1A, TJ=25 C VIN=15V to 25V, f=120Hz, IOUT=500mA Dropout Voltage VDROP ∆VOUT=1%, IOUT=1A, TJ =25oC 12.5 Unit mA 60 dB 2 V Output Noise Voltage NO f=10Hz to 100kHz, TA=25oC 10 µV/VO Output Resistance RO f=1kHz 11 mΩ 0.2 A Short Circuit Current ISC VIN=35V, Peak Output Current IPK VIN=19V, Output Voltage Temperature Coefficient TA=25oC TJ=25oC 2.2 A ∆VOUT/∆T 0.96 mV/oC (∆VOUT/VOUT)/∆T 80 ppm/oC Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 7 Data Sheet 1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR AS78XX Electrical Characteristics (Continued) AS7815 (VIN=23V, IOUT=1A, TJ=-40 to 125oC, unless otherwise specified.) Parameter Symbol Conditions o Output Voltage VOUT Line Regulation VRLINE Load Regulation VRLOAD Quiescent Current Quiescent Current Change IQ ∆IQ Ripple Rejection PSRR Dropout Voltage VDROP TJ=25 C IOUT=5mA to 1A, VIN=17.9 to 30V, PD≤15W =25oC VIN=17.5V to 30V, IOUT=500mA, TJ TJ=25oC IOUT=5mA to 1A, VIN=18.5V to 28.5V, f=120Hz, IOUT=500mA ∆VOUT=1%, IOUT=1A, TJ=25oC Output Noise Voltage NO f=10Hz to 100kHz, f=1kHz TA=25oC Typ Max 14.7 15 15.3 14.4 VIN=17.9V to 30V, IOUT=1A, TJ=25oC VIN=23V, IOUT=5mA to 1A, TJ VIN=23V, IOUT=0 Min =25oC 15.6 Unit V 18 150 mV 25 100 mV 3.4 6 mA 0.3 0.8 0.08 0.5 mA 58 dB 2 V 10 µV/VO Output Resistance RO 12 mΩ Short Circuit Current ISC VIN=35V, TA =25oC 0.2 A Peak Output Current IPK VIN=23V, TJ=25oC 2.2 A ∆VOUT/∆T 1.2 mV/oC (∆VOUT/VOUT)/∆T 80 ppm/oC Output Voltage Temperature Coefficient Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 8 Data Sheet 1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR AS78XX Typical Performance Characteristics 5.050 2.5 AS7805 o TC= -40 C o TC= 25 C Output Voltage (V) Peak Output Current (A) 2.0 o TC= 125 C 1.5 1.0 5.025 AS7805 VIN=10V 5.000 IOUT=10mA 4.975 4.950 4.925 4.900 0.5 4.875 4.850 -40 0.0 3 6 9 12 15 18 21 24 -20 0 20 40 60 100 120 Figure 5. Output Voltage vs. Junction Temperature Figure 4. Peak Output Current vs. Input/Output Differential Voltage 100 6 IOUT=0 AS7805 AS7805 VIN=10V 5 80 AS7812 VIN=19V Ripple Rejection (dB) Quiescent Current (mA) 80 o Junction Temperature ( C) VIN-VOUT (V) AS7815 VIN=23V 4 3 2 60 40 20 1 0 -40 -20 0 20 40 60 80 100 0 10 120 100 1k 10k 100k 1M Frequency (Hz) o Junction Temperature ( C) Figure 7. Ripple Rejection vs. Frequency Figure 6. Quiescent Current vs. Junction Temperature Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 9 Data Sheet 1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR AS78XX Typical Performance Characteristics (Continued) 30 2.5 AS7805 Package: TO-220-3 2 Heatsink Size: 45*43 mm 25 Power Dissipation (W) Dropout Voltage (V) 2.0 1.5 1.0 IOUT=100mA 20 15 10 IOUT=500mA 0.5 5 IOUT=1A 0.0 -40 -20 0 20 40 60 80 100 0 -40 120 -20 0 60 80 100 120 Figure 9. Power Dissipation vs. Case Temperature Figure 8. Dropout Voltage vs. Junction Temperature 6 30 AS7805 Package: TO-252-2 (1) 2 Heatsink Size: 45*43 mm 5 Output Voltage (V) 25 Power Dissipation (W) 40 o Junction Temperature ( C) 20 15 10 4 3 2 AS7805 VIN=10V, IOUT=5mA 1 5 0 -40 20 Case Temperature ( C) o CIN= 0.33µF, COUT=0.1µF 0 -20 0 20 40 60 80 100 0 120 o Case Temperature ( C) 20 40 60 80 100 120 140 160 180 o Junction Temperature ( C) Figure 10. Power Dissipation vs. Case Temperature Figure 11. Thermal Shutdown Protection Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 10 Data Sheet 1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR AS78XX Typical Performance Characteristics (Continued) 2 IOUT (1A/Div) AS7805 20 15 10 ∆VOUT (100mV/Div) ∆VOUT (50mV/Div) VIN (5V/Div) 25 0 -50 -100 AS7805 1 0 0.005A -1 100 0 -100 -200 -150 Time (100µs/Div) Time (40µs/Div) Figure 12. Line Transient (Conditions: IOUT=500mA, COUT=0.1µF) Figure 13. Load Transient (Conditions: VIN=10V, CIN=0.33µF, COUT=0.1µF) Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 11 Data Sheet 1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR AS78XX Typical Application AS78XX VIN INPUT VOUT OUTPUT GND 0.33µF 0.1µF Figure 14. Typical Application of AS78XX Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 12 Data Sheet 1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR AS78XX Mechanical Dimensions TO-220-3 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) 9.660(0.380) 10.660(0.420) φ3.560(0.140) 4.060(0.160) Unit: mm(inch) 3° 0.200(0.008) 7° 3.560(0.140) 4.820(0.190) 2.080(0.082) 2.880(0.113) 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) Mar. 2007 Rev. 1. 4 0.356(0.014) 0.406(0.016) BCD Semiconductor Manufacturing Limited 13 Data Sheet 1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR AS78XX Mechanical Dimensions (Continued) 1.350(0.053) 1.650(0.065) TO-252-2 (1) 6.350(0.250) 6.650(0.262) 5.200(0.205) 5.400(0.213) Unit: mm(inch) 2.200(0.087) 2.400(0.094) 0.430(0.017) 0.580(0.023) 4.300(0.169) 5.400(0.212) 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(0.165) 1.400(0.055) 1.780(0.070) 5° 3° 4° 0.430(0.017) 0.580(0.023) Mar. 2007 Rev. 1. 4 4.800(0.189) 6.500(0.256) 3.800REF(0.150REF) 5.400(0.213) 5.700(0.224) 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 14 http://www.bcdsemi.com IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifications herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any particular purpose, nor does BCD Semiconductor Manufacturing Limited assume any liability arising out of the application or use of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or other rights nor the rights of others. MAIN SITE BCD Semiconductor Manufacturing Limited BCD Semiconductor Manufacturing Limited - Wafer Fab Shanghai SIM-BCD Semiconductor Manufacturing Limited 800, Yi Shan Road, Shanghai 200233, China Tel: +86-21-6485 1491, Fax: +86-21-5450 0008 - IC Design Group Advanced Analog Circuits (Shanghai) Corporation 8F, Zone B, 900, Yi Shan Road, Shanghai 200233, China Tel: +86-21-6495 9539, Fax: +86-21-6485 9673 REGIONAL SALES OFFICE Shenzhen Office Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd. 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