RS2051 Orister Corporation, RS2051 Datasheet
RS2051
Available stocks
Related parts for RS2051
RS2051 Summary of contents
Page 1
... VAR1 VARISTOR CX1 R9 U2A 4 3 DS‐RS2051‐09 November, 2009 RS2051 Applications Switching AC/DC Adaptor Battery Charger Open Frame Switching Power Supply Standby Power Supplies VCR, SVR, STB, DVD & DVCD Player SMPS ...
Page 2
... RS2051 Y Z P : DIP‐8 Z is Lead Free designator : P: Commercial Standard, Lead (Pb) Free and Phosphorous (P) Free Package DS‐RS2051‐09 November, 2009 SOP‐8 GND Pin Voltage feedback pin. Output current of this pin could controls the PWM duty cycle、OLP ...
Page 3
... OA P PWM DS‐RS2051‐09 November, 2009 Parameter Supply voltage Pin Voltage VDD OVP maximal enter current Input Voltage to FB Pin Input Voltage to SEN Pin Power Dissipation ...
Page 4
... DS‐RS2051‐09 November, 2009 =15V, T =25°C, unless otherwise specified Supply Voltage (V Pin) ...
Page 5
... The turn‐on and turn‐off threshold of the RS2051 is designed to 14V/8.8V. During startup, the hold‐up capacitor must be charge to 14V through the startup resistor. The hysteresis is implemented to prevent the shutdown from the voltage dip ...
Page 6
... Frequency Jiggling for EMI improvement The Frequency Jiggling Technique is introduced in the RS2051. As following figure, the internal oscillation frequency is modulated by itself. A whole surge cycle includes 128 pulses and the Jiggling ranges from ‐4% to +4%. Thus, the function ...
Page 7
... The novel soft clamp technology is introduced to protect the periphery power MOSFET from breaking down and current saturation of the Zener. DS‐RS2051‐09 November, 2009 follows the below equation. OLP&SCP RI × × ...
Page 8
... D. Leads 1, 2, 3 may be wider than leads 4, 5, 6 for package orientation. E. Falls within JEDEC MO‐178 variation AB, except minimum lead width. DS‐RS2051‐09 November, 2009 Page No. : 8/12 www.Orister.com ...
Page 9
... D. Body width does not include interlead flash. Interlead flash shall not exceed 0.017 (0.43) per side. E. Falls within JEDEC MS‐012 variation AA. DS‐RS2051‐09 November, 2009 Page No. : 9/12 www.Orister.com ...
Page 10
... B. This drawing is subject to change without notice. C. Falls within JEDEC MS‐001. DS‐RS2051‐09 November, 2009 Page No. : 10/12 www.Orister.com ...
Page 11
... Time 25 C to Peak Temperature 3. Flow (wave) soldering (solder dipping) Products Pb devices. Pb‐Free devices. DS‐RS2051‐09 November, 2009 C~35 C Humidity=65%±15% Ramp- Preheat ...
Page 12
... Orister and the Orister logo are trademarks of Orister Corporation. All other brand and product names appearing in this document are registered trademarks or trademarks of their respective holders. DS‐RS2051‐09 November, 2009 Page No. : 12/12 www.Orister.com ...