VIPEr20BSP STMicroelectronics, VIPEr20BSP Datasheet
VIPEr20BSP
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VIPEr20BSP Summary of contents
Page 1
... OSC ON/OFF OSCILLATOR SECURITY PWM LATCH LATCH R OVERTEMP. DETECTOR + 2 s 300 ns _ delay Blanking 4.5 V COMP VIPer20B VIPer20BSP PRELIMINARY DATA 10 1 Power SO-10 mode without extra DRAIN 0. V/A _ CURRENT AMPLIFIER SOURCE 1/17 ...
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... VIPer20B / VIPer20BSP ABSOLUTE MAXIMUM RATING Symb ol V Continuous Drain-Source Voltage ( 125 DS I Maximum Current D V Supply Voltage DD V Voltage Range Input OSC V Voltage Range Input COMP I Maximum Continuous Current COMP V Electrostatic discharge (R = 1.5 K esd I Avalanche Drain-Source Current, Repetitive or Not-Repetitive ...
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... T to define the switching frequency. Note that despite the connection of R significant frequency change occurs for V at 13V. For varying from 8V to 15V. It provides also a synchronisation capability, when connected to an pin by external frequency source. DD VIPer20B / VIPer20BSP DD secondary regulation 3/17 ...
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... VIPer20B / VIPer20BSP ELECTRICAL CHARACTERISTICS (T POWER SECTION Symb ol Parameter BV Drain-Source Voltage DSS I Off-State Drain Current V DSS R Static Drain Source on DS( on) Resistance t Fall Time f t Rise Time r C Output Capacitance OSS (1) On Inductive Load, Clamped. SUPPLY SECTION Symb ol Parameter I Start-up Charging DDch Current ...
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... COMP DD Test Cond ition COMP eak = 12 V COMP pin open 0 Test Cond ition s (see fig. 4) (see fig. 4) (see fig. 6) (see fig. 6) VIPer20B / VIPer20BSP Min. Typ . Max 12 150 KHz TBD 50 dB TBD 1 mA/V ...
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... VIPer20B / VIPer20BSP Figure 1: V Regulation Point DD I COMP Slope = mA/V COMPHI 0 I COMPLO V DDreg Figure 3: Transition Time I D 10% Ipeak 6/17 Figure 2: Undervoltage Lockout DD0 DDch FC00150 Figure 4: Shut Down Action V OSC V COMP t V COMPth ...
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... Figure 5: Start-up Waveforms Figure 6: Overtemperature Protection Tj Ttsd ID VDD VDDon VCOMP VIPer20B / VIPer20BSP Thyst FC10192 7/17 ...
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... VIPer20B / VIPer20BSP Figure 7: Oscillator VDD Rt OSC Ct 1 0.9 0.8 0.7 0.6 0.5 1 1,000 Ct = 1.5 nF 500 Ct = 2.7 nF 300 Ct = 4.7 nF 200 100 8/17 For R > CLK D 1 MAX Recommended D 100KHz: > 80% 200KHz: > 70% FC00050 Maximum duty cycle vs Rt FC00040 Oscillator frequency vs Rt and Ct ...
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... RCOMP = 270k 40 RCOMP = 82k RCOMP = 27k RCOMP = 12k 20 0 (20) 0.001 0.01 Figure 9: Error Amplifier Phase Response 200 150 100 50 0 (50) 0.001 0.01 VIPer20B / VIPer20BSP 0 100 Frequency (kHz) RCOMP = + RCOMP = 270k RCOMP = 82k RCOMP = 27k RCOMP = 12k 0 100 Frequency (kHz) FC00200 1,000 FC00210 ...
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... VIPer20B / VIPer20BSP Figure 10: Off Line Power Supply With Auxliary Supply Feedback F1 TR2 C1 ACIN R9 R2 OSC C5 Figure 11: Off Line Power Supply With Optocoupler Feedback F1 TR2 VDD OSC 13V C5 10/17 BR1 TR1 VDD DRAIN - VIPer + 13V COMP SOURCE ...
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... SOURCE An integrated high voltage current source STBY provides a bias current from the DRAIN pin during the start-up phase. This current is partially absorbed by internal control circuits which are placed into a standby mode with reduced VIPer20B / VIPer20BSP STBY ). This situation leads to gets DD COMPth . ...
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... VIPer20B / VIPer20BSP consumption and also provided to the external capacitor connected to the V pin. As soon as DD the voltage on this pin reaches the high voltage threshold V of the UVLO logic, the device DDon turns into active mode and starts switching. The start up current generator is switched off, and the ...
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... OSC pin capability, when connected to an external COMP frequency source. Figure 17 shows one possible Figure 14: Latched Shut Down AUXILI ARY WINDING R 4 Shutdown VIPer20B / VIPer20BSP are subject to large VOL of about 330 K . More provides a synchronisation VIPer R 1 VDD DRAIN - OSC ...
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... VIPer20B / VIPer20BSP schematic to be adapted depending the specific needs. If the proposed schematic is used, the pulse duration must be kept at a low value (500ns is sufficient) for minimizing consumption. The optocoupler must be able to provide 20mA through the optotransistor. PRIMARY PEAK CURRENT LIMITATION The primary I ...
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... TYP. A 4.30 C 1.17 D 2.40 E 0.35 F 0.60 G1 4.90 G2 7. 10.05 L 16.60 L1 14.60 L2 21.20 L3 22.20 L5 2.60 L6 15.10 L7 6.00 M 2.50 M1 7. Diam. 3. VIPer20B / VIPer20BSP MAX. MIN. 4.80 0.169 1.37 0.046 2.80 0.094 0.55 0.014 0.80 0.024 5.28 0.193 7.82 0.292 9.70 0.366 10.40 10.40 0.396 17.30 0.653 15.22 0.575 21.85 0.835 22.82 0.874 3.00 0.102 15.80 0.594 6.60 0.236 3.10 0.098 8.16 0.298 3.90 0.146 ...
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... VIPer20B / VIPer20BSP PowerSO-10 MECHANICAL DATA DIM. MIN. TYP. A 3.35 A1 0.00 B 0.40 C 0.35 D 9.40 D1 7.40 e 1.27 E 9.30 E1 7.20 E2 7.20 E3 6.10 E4 5.90 F 1.25 h 0.50 H 13.80 L 1. 16/17 mm MAX. MIN. 3.65 0.132 0.10 0.000 0.60 0.016 0.55 0.013 9.60 0.370 7.60 0.291 9.50 0.366 7.40 0.283 7.60 0.283 6.35 0.240 6.10 0.232 1.35 0.049 14.40 0.543 1.80 0.047 ...
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... The ST logo is a trademark of STMicroelectronics 1999 STMicroelectronics – Printed in Italy – All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. VIPer20B / VIPer20BSP http://www.st.com . 17/17 ...