7805A 3- Terminal Positive Voltage Regulators 7805AJ Pin Assignment Description 3-Lead Plastic TO-252 Package Code: J Pin 1: VIN Pin 2 & Tab: GND Pin 3: VOUT Tab The 7805A can provide local on-card regulation, eliminating the distribution problems associated with single point regulation. Each employs internal current limiting, thermal shut-down and safe operating area protection, making it essen-tially indestructible. If adequate heat sinking is provided, they can deliver over 1A output current. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents. 1 2 3 7805AE Pin Assignment Tab Features 3-Lead Plastic TO-220AB Package Code: E Pin 1: VIN Pin 2 & Tab: GND Pin 3: VOUT • Output Current In Excess of 1A • Output Voltage of 5V • Internal Short-Circuit Current Limiting & Thermal Overload Protection • Guaranteed In Extended Temperature Range Absolute Maximum Ratings (TA=25°C) Characteristic Symbol 1 Rating Unit V Input Voltage VIN 40 Power Dissipation PD Internally limited (Note) Operating Temperature Topr -30 to 85 o C -55 to 150 o C 150 o C Storage Temperature Tstg Junction Temperature Tj 2 3 o Note: (1)TA=25 C, , TO-252: 1W, TO-220AB: 2.7W o (2)TC=25 C, All package: 10W Thermal Data Characteristic Thermal Resistance Junction-Case Thermal Resistance Junction-Ambient Symbol TO-252 TO-220AB Rth(j-c) 12.5 12.5 o C/W 47 o C/W Rth(j-a) 125 Unit Schematic Diagram & Equivalent Circuit Schematic Diagram Equivalent Circuit Input Series Pass Element 1 Current Generator Starting Circuit Reference Voltage Output VIN 3 SOA Protection Error Amplifier Thermal Protection VOUT GND 2 1 7805A 3- Terminal Positive Voltage Regulators 7805A Series Electrical Characteristics VIN=10V, IOUT=500mA, CIN=0.33uF, COUT=0.1uF, 0°C≤TJ≤125°C (unless otherwise specified) Symbol Parameter 7805AJ/AE Conditions Typ Max 4.85 5 5.15 4.85 5 5.15 TJ=25°C, 7V≤VIN≤25V - 3 50 TJ=25°C, 8V≤VIN≤12V - 1 25 TJ=25°C, 5mA≤IOUT≤1A - 15 100 TJ=25°C, 250mA≤IOUT≤750mA - 5 50 - 3.9 8 - - 1.3 - - 0.5 - 50 - uV/VO 57 73 - dB TJ=25°C, IOUT=500mA VO Output Voltage 5mA≤IOUT≤1A 7V≤VIN≤25V, POUT≤15W ΔVO Line Regulation ΔVO Load Regulation IB ΔIB eN Quiescent Current Quiescent Current Units Min IOUT=5mA, TJ=25°C o IOUT=500mA, 7V≤VIN≤25V, TJ=25 C o Change 5mA≤IOUT≤1A, VIN=10V, TJ=25 C Output Noise Voltage B=10Hz~100KHz, IOUT=50mA, TJ=25°C o V mV mV mA mA RR Ripple Rejection 10V≤VIN≤18V, f=120Hz, IOUT=50mA, TJ=25 C VD Dropout Voltage TJ=25°C, IOUT=1A - 2 2.5 V RO Output Resistance f=1KHz - 17 - mΩ ISC Short Circuit Current TJ=25°C - 2.3 2.8 A - - 0.6 mV/°C ΔVO/ΔT Output Voltage Drift o o 0 C≤TJ≤125 C 2 7805A 3- Terminal Positive Voltage Regulators Test Circuits VIN 1 VOUT 3 7805A 1 7805A CIN 2 CIN VIN COUT 0.33uF 2 0.33uF VOUT 3 VIN 1 - + 270pF RL 7805A RL DC 9V VOUT 100 0V Load Regulation Ripple Rejection Application Circuits Constant Current Regulator VIN 1 Circuit for Increasing Output Voltage VOUT 3 7805A 2 VIN R1 0.33uF 0.33uF 1 7805A IB 2 VOUT 3 R1 IR1 0.1uF 10uF R2 I1=VOUT(IC)/R1 High Output Current with Short-circuit Protection VIN R1 Rsc Q1 Q2 1 7805A VOUT 3 2 0.33uF 0.1uF 10uF VOUT=VOUT(IC)(1+R2/R1)+R2*IB VOUT=VOUT(IC)+VZ 0.1uF 10uF R1≤VBE1/IB(max) RSC=VBE2/ISC, ISC: Short-Circuit Current 3 VOUT 2 + - 0.1uF DC Parameter 3 7805A 3- Terminal Positive Voltage Regulators Characteristics Curve Ripple Rejection Current Cut-off Grid Voltage 70 Vout 50 Output Voltage (V) Ripple Rejection (dB).. 60 40 30 20 Vin=Vout(ic)+5V o Tj=25 C Vin=(4.5+Vout(ic))VDC+3.5Vrms Iout=50mA Tj=25oC 10 0 10 100 1000 10000 100000 0 1000000 0.5 1 Frequency (Hz) Worst Case Power Dissipation 2 2.5 3 Output Voltage as a Function of Junction Temperature 2500 Vin=Vout(ic)+5V Iout=5mA Output Voltage (V) 2000 Output Current (mA) 1.5 Output Current (A) 1500 1000 With 72oC/W Heat Sink Heat Sink Size: 50*50*2 mm 500 Free Air 0 0 5 10 15 20 25 30 35 0 50 100 o 150 200 Junction Temperature ( C) Differential (V) Vinput-Voutput Voltage(V) Load Transient Response Voltage Range 2.5 1.0 2 0.5 0 Vout Voutput (V) 1.5 Load Current (A) Output Voltage Deviion (V).. 3 1 0.5 0 Vin=Vout(ic)+5V Tj=25oC -0.5 Iout=50mA -1 0 5 10 15 20 25 30 35 40 45 50 0 Time (us) 5 10 15 20 Vinput-Voutput (V) 4 25 30 35 7805A 3- Terminal Positive Voltage Regulators TO-252 Dimension C A Marking: D B G F L Note: Green label is used for pb-free packing 3 Pin Style: 1.Input 2.Ground 3.Output H E Material: • Lead solder plating: Sn60/Pb40 (Normal), Sn/3.0Ag/0.5Cu or Pure-Tin (Pb-free) • Mold Compound: Epoxy resin family, flammability solid burning class: UL94V-0 2 K I 1 DIM A B C D E F G H I J K L Min. 0.45 1.70 0.90 0.45 6.40 5.40 2.20 0.70 5.20 1.40 Max. 0.55 1.90 1.50 0.60 6.80 5.80 2.80 *2.30 0.90 0.90 5.50 1.60 *: Typical, Unit: mm J 3-Lead TO-252 Plastic Surface Mount Package Package Code: J Now all products are Pb-Free Packaged TO-220AB Dimension Marking: A F B E C D H M I K 3 G N 2 1 Tab O P J L Note: Green label is used for pb-free packing Pin Style: 1.Input 2.Ground 3.Output Material: • Lead solder plating: Sn60/Pb40 (Normal), Sn/3.0Ag/0.5Cu or Pure-Tin (Pb-free) • Mold Compound: Epoxy resin family, flammability solid burning class: UL94V-0 DIM A B C D E F G H I J K L M N O P Min. 5.58 8.38 4.40 1.15 0.35 2.03 9.66 3.00 0.75 2.54 1.14 12.70 14.48 Max. 7.49 8.90 4.70 1.39 0.60 2.92 10.28 *16.25 *3.83 4.00 0.95 3.42 1.40 *2.54 14.27 15.87 *: Typical, Unit: mm 3-Lead TO-220AB Plastic Package Package Code: E Now all products are Pb-Free Packaged Ordering Information Part Number 7805AJ 7805AE VOUT: 5V±0.15V 5V±0.15V Package TO-252 TO-220AB 5 7805A 3- Terminal Positive Voltage Regulators Soldering Methods for Orister’s Products 1. Storage environment: Temperature=10oC~35oC Humidity=65%±15% 2. Reflow soldering of surface-mount devices Figure 1: Temperature profile tP Critical Zone TL to TP TP Ramp-up TL tL Temperature Tsmax Tsmin tS Preheat 25 Ramp-down t 25oC to Peak Time Profile Feature Sn-Pb Eutectic Assembly Pb-Free Assembly <3 C/sec <3oC/sec - Temperature Min (Tsmin) 100oC 150oC - Temperature Max (Tsmax) 150oC 200oC 60~120 sec 60~180 sec <3oC/sec <3oC/sec 183oC 217oC Average ramp-up rate (TL to TP) o Preheat - Time (min to max) (ts) Tsmax to TL - Ramp-up Rate Time maintained above: - Temperature (TL) - Time (tL) 60~150 sec Peak Temperature (TP) Time within 5oC of actual Peak Temperature (tP) Ramp-down Rate Time 25oC to Peak Temperature o o 60~150 sec 240 C +0/-5 C 260oC +0/-5oC 10~30 sec 20~40 sec <6oC/sec <6oC/sec <6 minutes <8 minutes Peak temperature Dipping time 245oC ±5oC 5sec ±1sec 3. Flow (wave) soldering (solder dipping) Products Pb devices. Pb-Free devices. o o 260 C +0/-5 C 6 5sec ±1sec