VIPER50ASP-E STMicroelectronics, VIPER50ASP-E Datasheet
VIPER50ASP-E
Specifications of VIPER50ASP-E
VIPER50ASP-E
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VIPER50ASP-E Summary of contents
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... OSC ON/OFF OSCILLATOR SECURITY PWM LATCH LATCH S FF UVLO R LOGIC OVERTEMP. DETECTOR + 1.7 s 250 ns _ DELAY BLANKING 4.5 V COMP VIPer50A-E VIPer50ASP-E SMPS PRIMARY I.C. 10 POWERSO-10 PENTAWATT HV (022Y) DRAIN 0. V/A _ CURRENT AMPLIFIER SOURCE www.st.com 1 TM Rev 1 1/31 31 ...
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Contents 1 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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VIPer50A-E/ASP-E 6 Electrical Over Stress . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Electrical Data 1 Electrical Data 1.1 Maximum Rating Table 1. Absolute Maximum Rating Symbol V Continuous Drain-Source Voltage ( Maximum Current D V Supply Voltage DD V Voltage Range Input OSC V Voltage Range Input COMP I ...
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VIPer50A-E/ASP-E 1.2 Electrical Characteristics T = 25° 13V, unless otherwise specified J DD Table 2. Power Section Symbol Parameter BV Drain-Source Voltage DS I Off-State Drain DSS Current R Static Drain-Source DS(on) On Resistance t Fall Time f ...
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Electrical Data Table 5. Error Amplifier Section Symbol Parameter V V Regulation Point DDREG DD V Total Variation DDreg G Unity Gain Bandwidth BW A Open Loop Voltage Gain VOL G DC Transconductance m V Output Low Level COMPLO ...
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VIPer50A-E/ASP-E 2 Thermal Data Table 8. Thermal data Symbol R Thermal Resistance Junction-case thJC R Thermal Resistance Ambient-case thJA Parameter Max Max 2 Thermal Data PENTAWATT HV Unit 1.9 C/W 60 C/W 7/31 ...
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Pin Description 3 Pin Description 3.1 Drain Pin (Integrated Power MOSFET Drain): Integrated Power MOSFET drain pin. It provides internal bias current during start-up via an integrated high voltage current source which is switched off during normal operation. The ...
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VIPer50A-E/ASP-E 3.5 OSC Pin (Oscillator Frequency network must be connected on that to define the switching frequency. Note that t t despite the connection of R from 8V to 15V. It provides also a synchronisation capability, when ...
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Typical Circuit 4 Typical Circuit Figure 3. Offline Power Supply With Auxiliary Supply Feedback F1 TR2 Figure 4. Offline Power Supply With Optocoupler Feedback F1 TR2 10/31 ...
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VIPer50A-E/ASP-E 5 Operation Description 5.1 Current Mode Topology: The current mode control method, like the one integrated in the VIPer50A-E/ASP-E, uses two control loops - an inner current control loop and an outer loop for voltage control. When the Power ...
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Operation Description As soon as the power goes below this limit, the auxiliary secondary voltage starts to increase above the 13V regulation level, forcing the output voltage of the transconductance amplifier to low state (V < V COMP switch ...
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VIPer50A-E/ASP the voltage hysteresis of the UVLO logic (refer to the minimum specified value). DDhyst The soft start feature can be implemented on the COMP pin through a simple capacitor which will be also used as the compensation ...
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Operation Description 5.5 External Clock Synchronization: The OSC pin provides a synchronisation capability when connected to an external frequency source. Figure 21 shows one possible schematic to be adapted, depending the specific needs. If the proposed schematic is used, ...
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VIPer50A-E/ASP-E 5.8 Operation Pictures Figure 5. V Regulation Point A/V COM COM PLO V DDreg Figure 7. Transition Time I D 10% Ipeak V DS 90% V ...
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Operation Description Figure 11. Behaviour of the high voltage current source at start-up VDD VDDon VDDoff Figure 12. Start-Up Waveforms 16/ VDD VDD Ref. t UNDERVOLTAGE Auxiliary primary LOCK OUT LOGIC winding ...
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VIPer50A-E/ASP-E Figure 13. Over-temperature Protection ...
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Operation Description Figure 14. Oscillator VDD 22nF 15nF 1,000 500 300 200 100 18/31 For R CLK FC 00050 Forbidden area Ct(nF) = Forbidden area 40kHz Oscillator frequency vs ...
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VIPer50A-E/ASP-E Figure 15. Error Amplifier frequency Response 60 RCOMP = + RCOMP = 270k 40 RCOMP = 82k RCOMP = 27k RCOMP = 12k 20 0 (20) 0.001 Figure 16. Error Amplifier Phase Response 200 150 100 50 0 (50) ...
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Operation Description Figure 17. Mixed Soft Start and Compensation Figure 18. Latched Shut Down VIPer50 VDD DRAIN - OSC + 13V COMP SOURCE Figure 19. Typical Compensation Network VIPer50 VDD - OSC + ...
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VIPer50A-E/ASP-E 6 Electrical Over Stress 6.1 Electrical Over Stress Ruggedness The VIPer may be submitted to electrical over-stress, caused by violent input voltage surges or lightning. Following the Layout Considerations is sufficient to prevent catastrophic damages most of the time. ...
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Layout 7 Layout 7.1 Layout Considerations Some simple rules insure a correct running of switching power supplies. They may be classified into two categories: – Minimizing power loops: The switched power current must be carefully analysed and the corresponding ...
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VIPer50A-E/ASP-E 8 Package Mechanical Data In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a Lead-free second level interconnect . The category of second Level Interconnect is marked on the package and on ...
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Package Mechanical Data Dim Min. A 4.30 C 1.17 D 2.40 E 0.35 F 0.60 G1 4.91 G2 7. 10.05 L 15.60 L1 14.60 L2 21.20 L3 22.20 L5 2.60 L6 15. ...
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VIPer50A-E/ASP-E Pentawatt HV 022Y ( Vertical High Pitch ) Mechanical Data Dim Min. A 4.30 C 1.17 D 2.40 E 0.35 F 0.60 G1 4.91 G2 7. 10.05 L 16.42 L1 14.60 L3 20.52 L5 2.60 ...
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Package Mechanical Data Figure 25. Pentawatt HV Tube Shipment ( no suffix ) 26/31 Base Q.ty 50 Bulk Q.ty 1000 Tube length ( ± 0.5 ) 532 33 ± 0 All dimensions ...
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VIPer50A-E/ASP-E DIM. MIN. A 3.35 A1 0.00 B 0.40 C 0.35 D 9. 9.30 E1 7.20 E2 7.20 E3 6.10 E4 5. 13. ...
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Package Mechanical Data SUGGESTED PAD LAYOUT PowerSO-10™ 14.6 - 14 TAPE DIMENSIONS According to Electronic Industries Association (EIA) Standard 481 rev. A, Feb. 1986 ...
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... VIPer50A-E/ASP-E 9 Order Codes PENTAWATT HV VIPer50A-E PENTAWATT HV (022Y) VIPer50A-22-E 9 Order Codes PowerSO-10 VIPer50ASP-E 29/31 ...
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Revision history 10 Revision history Date Revision 26-Sep-2005 1 30/31 Initial release. VIPer50A-E/ASP-E Changes ...
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... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics ...