NCP4620 150 mA, 10 V, Low Dropout Regulator The NCP4620 is a CMOS Linear voltage regulator with 150 mA output current capability. The device is capable of operating with input voltages up to 10 V, with high output voltage accuracy and low temperature−drift coefficient. The NCP4620 is easy to use, with output current fold−back protection and a thermal shutdown circuit included. A Chip Enable function is included to save power by lowering supply current. http://onsemi.com MARKING DIAGRAMS Features • • • • • • • • • • • • • Operating Input Voltage Range: 2.6 V to 10 V Output Voltage Range: 1.2 V to 6.0 V (available in 0.1 V steps) Output Voltage Accuracy: ±1.0% Low Supply Current: 23 mA Low Dropout: 200 mV (IOUT = 100 mA, VIN = 3.0 V) 400 mV (IOUT = 150 mA, VIN = 2.8 V) High PSRR: 70 dB at 1 kHz Line Regulation 0.02%/V Typ Current Fold Back Protection Thermal Shutdown Protection Stable with Ceramic Capacitors Available in SC−70 and SOT23 Packages These are Pb−Free Devices* Battery products powered by 2 Lithium Ion cells Networking and Communication Equipment Cameras, DVRs, STB and Camcorders Toys, industrial applications XX M SOT−23−5 CASE 1212 XX, XXX= Specific Device Code M, MM = Date Code A = Assembly Location Y = Year W = Work Week G = Pb−Free Package ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 14 of this data sheet. NCP4620x VIN VIN C1 1m XXX MG G (Note: Microdot may be in either location) Typical Applications • • • • SC−70 CASE 419A CE VOUT VOUT GND C2 1m Figure 1. Typical Application Schematic *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. © Semiconductor Components Industries, LLC, 2010 December, 2010 − Rev. P0 1 Publication Order Number: NCP4620/D NCP4620 VIN VOUT VIN Vref Vref Current Limit Thermal Shutdown CE VOUT CE Current Limit Thermal Shutdown GND GND NCP4620Hxxxx NCP4620Dxxxx Figure 2. Simplified Schematic Block Diagram PIN FUNCTION DESCRIPTION Pin No. SC−70 Pin No. SOT23 Pin Name 5 1 VIN Input pin 3 2 GND Ground 1 3 CE 4 5 VOUT 2 4 NC Description Chip enable pin (Active “H”) Output pin No connection ABSOLUTE MAXIMUM RATINGS Rating Symbol Value Unit VIN 12.0 V Output Voltage VOUT −0.3 to VIN + 0.3 V Chip Enable Input VCE 12.0 V Output Current IOUT 165 mA PD 900 mW Input Voltage (Note 1) Power Dissipation SOT89 Power Dissipation SC−70 380 Power Dissipation SOT23 420 Junction Temperature TJ −40 to 150 °C Storage Temperature TSTG −55 to 125 °C ESD Capability, Human Body Model (Note 2) ESDHBM 2000 V ESD Capability, Machine Model (Note 2) ESDMM 200 V Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. Refer to ELECTRICAL CHARACTERISTIS and APPLICATION INFORMATION for Safe Operating Area. 2. This device series incorporates ESD protection and is tested by the following methods: ESD Human Body Model tested per AEC−Q100−002 (EIA/JESD22−A114) ESD Machine Model tested per AEC−Q100−003 (EIA/JESD22−A115) Latchup Current Maximum Rating tested per JEDEC standard: JESD78. http://onsemi.com 2 NCP4620 THERMAL CHARACTERISTICS Symbol Value Unit Thermal Characteristics, SOT23 Thermal Resistance, Junction−to−Air Rating RqJA 238 °C/W Thermal Characteristics, SC−70 Thermal Resistance, Junction−to−Air RqJA 263 °C/W ELECTRICAL CHARACTERISTICS −40°C ≤ TA ≤ 85°C; VIN = VOUT(NOM) + 1 V; IOUT = 1 mA, CIN = COUT = 0.47 mF, unless otherwise noted. Typical values are at TA = +25°C. Parameter Test Conditions Operating Input Voltage Output Voltage Output Voltage Temp. Coefficient TA = +25°C VOUT > 1.5 V VOUT ≤ 1.5 V −40°C ≤ TA ≤ 85°C VOUT > 1.5 V VOUT ≤ 1.5 V Symbol Min VIN VOUT Max Unit 2.6 10 V x0.99 −15 x1.01 15 V mV x0.974 −40 x1.023 35 V mV −40°C ≤ TA ≤ 85°C Typ ppm/°C ±80 Line Regulation VOUT(NOM) + 0.5 V or 2.6 V (whichever is higher) ≤ VIN ≤ 10 V LineReg 0.02 0.2 %/V Load Regulation IOUT = 0.1 mA to 150 mA LoadReg 5 40 mV V 0.40 0.30 0.25 1.40 1.30 1.10 0.80 0.58 0.48 0.40 Dropout Voltage IOUT = 150 mA 1.2 V ≤ VOUT < 1.3 V 1.3 V ≤ VOUT < 1.5 V 1.5 V ≤ VOUT < 1.8 V 1.8 V ≤ VOUT < 2.3 V 2.3 V ≤ VOUT < 3.0 V 3.0 V ≤ VOUT < 4.0 V 4.0 V ≤ VOUT < 6.0 V Output Current Short Current Limit VDO IOUT VOUT = 0 V 150 mA ISC 40 IQ 23 40 mA VIN = 10 V, VCE = 0 V, TA = 25°C ISTB 0.1 1.0 mA CE Input Voltage “H” VCEH CE Input Voltage “L” VCEL ICEPD 0.3 mA VIN = VOUT + 1 V or 3.0 V whichever is higher, DVIN = 0.2 Vpk−pk, IOUT = 30 mA, f = 1 kHz PSRR 70 dB f = 10 Hz to 100 kHz, IOUT = 30 mA, VOUT = 1.5 V, VIN = 2.6 V VN 90 mVrms VIN = 7 V, VCE = 0 V RLOW 250 W Thermal Shutdown Temperature TTSD 165 °C Thermal Shutdown Release TTSR 110 °C Quiescent Current Standby Current CE Pin Threshold Voltage CE Pull Down Current Power Supply Rejection Ratio Output Noise Voltage Low Output N−ch Tr. On Resistance http://onsemi.com 3 mA V 1.7 0.8 NCP4620 TYPICAL CHARACTERISTICS 1.6 3.5 1.4 3.0 3.0 V 2.5 4.0 V 1.0 VOUT (V) VOUT (V) 1.2 VIN = 2.6 V 2.8 V 0.8 0.6 3.7 V 4.0 V 5.0 V 2.0 1.5 1.0 0.4 0.5 0.2 0.0 VIN = 3.5 V 0 50 100 150 IOUT (mA) 200 250 0.0 0 50 Figure 3. Output Voltage vs. Output Current 1.5 V Version (TJ = 255C) 100 150 IOUT (mA) 200 250 300 Figure 4. Output Voltage vs. Output Current 3.3 V Version (TJ = 255C) 6.0 5.0 VIN = 5.2 V 5.4 V 6.0 V 7.0 V VOUT (V) 4.0 3.0 2.0 1.0 0.0 0 50 100 150 IOUT (mA) 200 250 300 0.40 0.40 0.35 0.35 0.30 0.30 0.25 VDO (V) VDO (V) Figure 5. Output Voltage vs. Output Current 5.0 V Version (TJ = 255C) TJ = 25°C 0.20 85°C 0.15 0.10 0.20 TJ = 25°C 0.15 85°C 0.10 −40°C 0.05 0.00 0.25 0.05 0 50 100 150 0.00 −40°C 0 50 100 IOUT (mA) IOUT (mA) Figure 6. Dropout Voltage vs. Output Current 3.3 V Version Figure 7. Dropout Voltage vs. Output Current 5.0 V Version http://onsemi.com 4 150 NCP4620 TYPICAL CHARACTERISTICS 1.55 1.53 3.33 1.52 3.32 1.51 3.31 1.50 1.49 3.30 3.29 1.48 3.28 1.47 3.27 1.46 3.26 1.45 −40 −20 0 20 40 60 TJ, JUNCTION TEMPERATURE (°C) VIN = 4.3 V 3.34 VOUT (V) VOUT (V) 3.35 VIN = 2.6 V 1.54 3.25 −40 80 Figure 8. Output Voltage vs. Temperature, 1.5 V Version 5.10 40 35 5.06 30 5.02 IGND (mA) VOUT (V) 5.04 5.00 4.98 4.96 VOUT = 5 V 25 3.3 V 20 1.5 V 15 10 4.94 5 4.92 4.90 −40 −20 0 20 40 60 TJ, JUNCTION TEMPERATURE (°C) 0 80 0 Figure 10. Output Voltage vs. Temperature, 5.0 V Version 4 6 VIN, INPUT VOLTAGE (V) 8 10 1.8 1.6 VOUT = 5 V 25 VOUT (V) 3.3 V 20 IGND (mA) 2 Figure 11. Supply Current vs. Input Voltage 30 1.5 V 15 10 1 mA 1.4 20 mA 1.2 50 mA 1.0 100 mA 0.8 IOUT = 150 mA 0.6 0.4 5 0 −40 80 Figure 9. Output Voltage vs. Temperature, 3.3 V Version VIN = 6.0 V 5.08 −20 0 20 40 60 TJ, JUNCTION TEMPERATURE (°C) 0.2 −20 0 20 40 60 0.0 80 0 TJ, JUNCTION TEMPERATURE (°C) 1 2 3 4 5 6 7 8 9 VIN, INPUT VOLTAGE (V) Figure 12. Supply Current vs. Temperature Figure 13. Output Voltage vs. Input Voltage, 1.5 V Version http://onsemi.com 5 10 NCP4620 TYPICAL CHARACTERISTICS 3.5 6.0 3.0 5.0 1 mA 4.0 2.0 VOUT (V) VOUT (V) 2.5 20 mA 1.5 50 mA 1.0 100 mA 0.5 IOUT = 150 mA 0.0 0 1 2 3.0 2.0 20 mA 3 4 5 6 7 VIN, INPUT VOLTAGE (V) 8 9 0.0 10 50 mA 100 mA IOUT = 150 mA 1 mA 1.0 0 Figure 14. Output Voltage vs. Input Voltage, 3.3 V Version 1 2 3 4 5 6 7 VIN, INPUT VOLTAGE (V) 8 9 10 Figure 15. Output Voltage vs. Input Voltage, 5.0 V Version 120 120 100 100 80 30 mA 60 PSRR (dB) PSRR (dB) IOUT = 100 mA 1 mA 40 0.1 1 10 100 1 mA IOUT = 100 mA 40 0 0.01 1000 0.1 1 10 100 FREQUENCY (kHz) FREQUENCY (kHz) Figure 16. PSRR, 1.5 V Version, VIN = 3.5 V Figure 17. PSRR, 3.3 V Version, VIN = 5.3 V 3.0 100 2.5 80 VN (mVrms/√Hz) PSRR (dB) 60 120 30 mA 60 1 mA 40 IOUT = 100 mA 0.1 1 10 FREQUENCY (kHz) 1000 2.0 1.5 1.0 0.5 20 0 0.01 30 mA 20 20 0 0.01 80 100 0 0.01 1000 Figure 18. PSRR, 5.0 V Version, VIN = 7.0 V 0.1 1 10 FREQUENCY (kHz) 100 1000 Figure 19. Output Voltage Noise, 1.5 V Version, VIN = 2.6 V, IOUT = 30 mA http://onsemi.com 6 NCP4620 TYPICAL CHARACTERISTICS 10 25 9.0 20 VN (mVrms/√Hz) 7.0 6.0 5.0 4.0 3.0 15 10 5 2.0 1.0 0 0.01 0.1 1 10 100 0 1000 0.01 0.1 1 10 100 1000 FREQUENCY (kHz) FREQUENCY (kHz) Figure 20. Output Voltage Noise, 3.3 V Version, VIN = 4.3 V, IOUT = 30 mA Figure 21. Output Voltage Noise, 5.0 V Version, VIN = 6.0 V, IOUT = 30 mA 4.0 3.5 3.0 VIN (V) VOUT (V) 2.5 1.51 1.50 1.49 1.48 1.47 0 10 20 30 40 50 t (ms) 60 70 80 90 100 Figure 22. Line Transients, 1.5 V Version, tR = tF = 5 ms, IOUT = 30 mA 5.8 5.3 4.8 VIN (V) 4.3 VOUT (V) VN (mVrms/√Hz) 8.0 3.31 3.30 3.29 3.28 3.27 0 10 20 30 40 50 t (ms) 60 70 80 90 Figure 23. Line Transients, 3.3 V Version, tR = tF = 5 ms, IOUT = 30 mA http://onsemi.com 7 100 NCP4620 TYPICAL CHARACTERISTICS 7.5 7.0 6.5 VIN (V) VOUT (V) 6.0 5.01 5.00 4.99 4.98 4.97 0 10 20 30 40 50 t (ms) 60 70 80 90 100 Figure 24. Line Transients, 5.0 V version, tR = tF = 5 ms, IOUT = 30 mA 125 100 75 25 1.52 0 1.50 IOUT (mA) VOUT (V) 50 1.54 1.48 1.46 1.44 1.42 0 20 40 60 80 100 120 140 160 180 200 t (ms) Figure 25. Load Transients, 1.5 V Version, IOUT = 50 – 100 mA, tR = tF = 0.5 ms, VIN = 2.6 V 125 100 3.36 50 3.34 25 3.32 0 3.30 3.28 3.26 3.24 3.22 0 20 40 60 80 100 120 140 160 180 200 t (ms) Figure 26. Load Transients, 3.3 V Version, IOUT = 50 – 100 mA, tR = tF = 0.5 ms, VIN = 4.3 V http://onsemi.com 8 IOUT (mA) VOUT (V) 75 NCP4620 TYPICAL CHARACTERISTICS 125 100 75 5.10 25 5.05 0 5.00 IOUT (mA) VOUT (V) 50 4.95 4.90 4.85 4.80 0 20 40 60 80 100 120 140 160 180 200 t (ms) Figure 27. Load Transients, 5.0 V Version, IOUT = 50 – 100 mA, tR = tF = 0.5 ms, VIN = 6.0 V 45 30 15 IOUT (mA) VOUT (V) 0 1.54 1.52 1.50 1.48 1.46 1.44 1.42 0 20 40 60 80 100 120 140 160 180 200 t (ms) Figure 28. Load Transients, 1.5 V Version, IOUT = 1 – 30 mA, tR = tF = 0.5 ms, VIN = 2.6 V 45 30 15 IOUT (mA) VOUT (V) 0 3.34 3.32 3.30 3.28 3.26 3.24 3.22 0 20 40 60 80 100 120 140 160 180 200 t (ms) Figure 29. Load Transients, 3.3 V Version, IOUT = 1 – 30 mA, tR = tF = 0.5 ms, VIN = 4.3 V http://onsemi.com 9 NCP4620 TYPICAL CHARACTERISTICS 45 30 15 5.04 IOUT (mA) VOUT (V) 0 5.02 5.00 4.98 4.96 4.94 4.92 0 20 40 60 80 100 120 140 160 180 200 t (ms) Figure 30. Load Transients, 5.0 V Version, IOUT = 1 – 30 mA, tR = tF = 0.5 ms, VIN = 6.0 V 200 150 100 0 1.7 1.6 IOUT (mA) VOUT (V) 50 1.8 1.5 1.4 1.3 1.2 0 50 100 150 200 250 300 350 400 450 500 t (ms) Figure 31. Load Transients, 1.5 V Version, IOUT = 1 – 150 mA, tR = tF = 0.5 ms, VIN = 2.6 V 200 150 100 0 3.5 3.4 3.3 3.2 3.1 3.0 0 50 100 150 200 250 300 350 400 450 500 t (ms) Figure 32. Load Transients, 3.3 V Version, IOUT = 1 – 150 mA, tR = tF = 0.5 ms, VIN = 3.8 V http://onsemi.com 10 IOUT (mA) VOUT (V) 50 NCP4620 TYPICAL CHARACTERISTICS 200 150 100 0 5.4 5.2 IOUT (mA) VOUT (V) 50 5.6 5.0 4.8 4.6 4.4 0 50 100 150 200 250 300 350 400 450 500 t (ms) Figure 33. Load Transients, 5.0 V Version, IOUT = 1 – 150 mA, tR = tF = 0.5 ms, VIN = 6.0 V 3 Chip Enable 2 1 VCE (V) VOUT (V) 0 2.0 1.5 IOUT = 30 mA 1.0 IOUT = 150 mA IOUT = 1 mA 0.5 0 −0.5 0 20 40 60 80 100 120 140 160 180 200 t (ms) Figure 34. Start−up, 1.5 V Version, VIN = 2.6 V 6 Chip Enable 4 2 4.0 IOUT = 30 mA 3.0 2.0 IOUT = 150 mA 1.0 IOUT = 1 mA 0 −1.0 0 20 40 60 80 100 120 140 160 180 200 t (ms) Figure 35. Start−up, 3.3 V Version, VIN = 4.3 V http://onsemi.com 11 VCE (V) VOUT (V) 0 NCP4620 TYPICAL CHARACTERISTICS Chip Enable 9 6 3 4.0 IOUT = 30 mA 3.0 IOUT = 150 mA 2.0 1.0 IOUT = 1 mA 0 −1.0 VCE (V) VOUT (V) 0 0 20 40 60 80 100 120 140 160 180 200 t (ms) Figure 36. Start−up, 5.0 V Version, VIN = 6.0 V 6 4 2 4.0 3.0 IOUT = 30 mA 2.0 IOUT = 1 mA 1.0 0 −1.0 0 VCE (V) VOUT (V) Chip Enable IOUT = 150 mA 0 200 400 600 800 1000 1200 1400 1600 1800 2000 t (ms) Figure 37. Shutdown, 3.3 V Version D, VIN = 4.3 V http://onsemi.com 12 NCP4620 APPLICATION INFORMATION Enable Operation A typical application circuit for NCP4620 series is shown in Figure 38. VIN NCP4620x VIN C1 1m The enable pin CE may be used for turning the regulator on and off. The IC is switched on when a high level voltage is applied to the CE pin. The enable pin has an internal pull down current source. If the enable function is not needed connect CE pin to VIN. VOUT VOUT CE GND Output Discharger C2 1m The D version includes a transistor between VOUT and GND that is used for faster discharging of the output capacitor. This function is activated when the IC goes into disable mode. Thermal As a power across the IC increase, it might become necessary to provide some thermal relief. The maximum power dissipation supported by the device is dependent upon board design and layout. Mounting pad configuration on the PCB, the board material, and also the ambient temperature affect the rate of temperature increase for the part. When the device has good thermal conductivity through the PCB the junction temperature will be relatively low in high power dissipation applications. Figure 38. Typical Application Schematic Input Decoupling Capacitor (C1) A 1 mF ceramic input decoupling capacitor should be connected as close as possible to the input and ground pin of the NCP4620. Higher values and lower ESR improves line transient response. Output Decoupling Capacitor (C2) PCB layout A 1 mF ceramic output decoupling capacitor is enough to achieve stable operation of the IC. If a tantalum capacitor is used, and its ESR is high, loop oscillation may result. The capacitors should be connected as close as possible to the output and ground pins. Larger values and lower ESR improves dynamic parameters. Make the VIN and GND line as large as practical. If their impedance is high, noise pickup or unstable operation may result. Connect capacitors C1 and C2 as close as possible to the IC, and make wiring as short as possible. http://onsemi.com 13 NCP4620 ORDERING INFORMATION Nominal Output Voltage Description Marking Package Shipping† NCP4620DSN30T1G 3.0 V Auto discharge JBX SOT−23 (Pb−Free) 3000 / Tape & Reel NCP4620DSN33T1G 3.3 V Auto discharge KBA SOT−23 (Pb−Free) 3000 / Tape & Reel NCP4620DSN45T1G 4.5 V Auto discharge KBN SOT−23 (Pb−Free) 3000 / Tape & Reel NCP4620DSN50T1G 5.0 V Auto discharge KBT SOT−23 (Pb−Free) 3000 / Tape & Reel NCP4620HSN15T1G 1.5 V Standard JAE SOT−23 (Pb−Free) 3000 / Tape & Reel NCP4620HSN33T1G 3.3 V Standard KAA SOT−23 (Pb−Free) 3000 / Tape & Reel NCP4620HSN50T1G 5.0 V Standard KAT SOT−23 (Pb−Free) 3000 / Tape & Reel NCP4620DSQ18T1G 1.8 V Auto discharge AD08 SC−70 (Pb−Free) 3000 / Tape & Reel NCP4620HSQ12T1G 1.2 V Standard AC01 SC−70 (Pb−Free) 3000 / Tape & Reel NCP4620HSQ15T1G 1.5 V Standard AC05 SC−70 (Pb−Free) 3000 / Tape & Reel NCP4620HSQ18T1G 1.8 V Standard AC08 SC−70 (Pb−Free) 3000 / Tape & Reel NCP4620HSQ25T1G 2.5 V Standard AC16 SC−70 (Pb−Free) 3000 / Tape & Reel Device †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. *To order other package and voltage variants, please contact your ON Semiconductor sales representative. http://onsemi.com 14 NCP4620 PACKAGE DIMENSIONS SC−88A (SC−70−5/SOT−353) CASE 419A−02 ISSUE K A NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. 419A−01 OBSOLETE. NEW STANDARD 419A−02. 4. DIMENSIONS A AND B DO NOT INCLUDE MOLD FLASH, PROTRUSIONS, OR GATE BURRS. G 5 4 −B− S 1 2 DIM A B C D G H J K N S 3 D 5 PL 0.2 (0.008) M B M N J C H K http://onsemi.com 15 INCHES MIN MAX 0.071 0.087 0.045 0.053 0.031 0.043 0.004 0.012 0.026 BSC --0.004 0.004 0.010 0.004 0.012 0.008 REF 0.079 0.087 MILLIMETERS MIN MAX 1.80 2.20 1.15 1.35 0.80 1.10 0.10 0.30 0.65 BSC --0.10 0.10 0.25 0.10 0.30 0.20 REF 2.00 2.20 NCP4620 PACKAGE DIMENSIONS SOT−23 CASE 1212−01 ISSUE O A 5 E 1 A2 0.05 S B D A1 4 2 NOTES: 1. DIMENSIONS ARE IN MILLIMETERS. 2. INTERPRET DIMENSIONS AND TOLERANCES PER ASME Y14.5M, 1994. 3. DATUM C IS A SEATING PLANE. L 3 E1 L1 B e e1 C 5X 0.10 M C B S A S C DIM A1 A2 B C D E E1 e e1 L L1 MILLIMETERS MIN MAX 0.00 0.10 1.00 1.30 0.30 0.50 0.10 0.25 2.80 3.00 2.50 3.10 1.50 1.80 0.95 BSC 1.90 BSC 0.20 --0.45 0.75 ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. 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American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81−3−5773−3850 http://onsemi.com 16 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative NCP4620/D