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| SP6013 Synchronous Rectifier Driver DESCRIPTION The fundamental of SP6013 synchronous rectifier (SR) driver IC is based on our U.S. patented methods that utilize the principle of "prediction" logic circuit. The IC deliberates previous cycle timing to control the SR in present cycle by "predictive" algorithm that makes adjustments to the turn-off time, in order to achieve maximum efficiency and avoid cross-conduction at the same time. It also maintains the MOSFET's body diode conduction at minimum level. The SP6013 is capable to adapt in almost all existing flyback converters with few adjustments considered necessary. FEATURES * Offers efficiency improvement over Schottky Diode (depends on drive configuration of the SR). * * * * * Drives all logic level Power MOSFET. Prediction gate timing control. Minimum MOSFET body diode conduction. Operating frequency up to 650 KHz. Synchronize to transformer voltage waveform. secondary PART MARKING APPLICATIONS * Servers & workstations * * * * Storage area network power supplies Telecommunication converters Embedded systems Industrial & commercial systems using high current processors PIN CONFIGURATION (SOP-8) 2006/03/28 Ver.2 Page 1 SP6013 Synchronous Rectifier Driver TYPICAL APPLCATION CIRCUIT PIN DESCRIPTION Pin 1 2 3 4 5 6 7 8 Symbol Timing Pred Rapid-Adj Cramp GND MOSG-C Vdd SYNC Description Discontinuous current filter timing adjustment resistor connection. Capacitor to store previous cycle timing for Catch MOSFET Capacitor connection to adjust fast pulse width reduction response. Ramp capacitor adjustment to extend MOSFET's gate timing. Ground connection. Catch MOSFET gate drive. DC supply voltage. Synchronized signal from transformer's output. 2006/03/28 Ver.2 Page 2 SP6013 Synchronous Rectifier Driver BLOCK DIAGRAM ORDERING INFORMATION Part Number SP6013S8RG SP6013S8TG SP6013S8RG : 7" Tape Reel ; Pb - Free SP6013S8TG : Tube ; Pb - Free Package SOP-8 SOP-8 Part Marking SP6013I SP6013I ABSOULTE MAXIMUM RATINGS (TA=25, unless otherwise specified.) The following ratings designate persistent limits beyond which damage to the device may occur. Symbol Vdd SYNC IOUT PD TJ TSTG TLEAD Parameter DC Supply Voltage SYNC Voltage Peak Source Current (Pulsed) Peak Sink Current (Pulsed) Power Dissipation @ TA=85 (*) Operating Junction Temperature Range Storage Temperature Range Lead Soldering Temperature for 5 sec. Value 17 7 3 3 0.25 -40 to 150 -40 to 150 260 Unit V V A A W 2006/03/28 Ver.2 Page 3 SP6013 Synchronous Rectifier Driver THERMAL RESISTANCE Symbol RJC Parameter Thermal Resistance Junction - Case (*) Value 45 Unit /W (*) The power dissipation and thermal resistance are evaluated under copper board mounted with free air conditions. ELECTRICAL CHARACTERISTICS (TA=25, Vdd=12V, Freq. =300 KHz, Duty Cycle=50%, unless otherwise specified.) Symbol SUPPLY INPUT IDD Parameter Supply current Conditions No load VSYNC=0V, No load Min. Typ. 10 7.5 9.5 8.5 5.0 0.9 11.8 0.1 35 120 10 10 Max. 16 10 10 Unit mA mA V V V V V V ns ns ns ns Vonth Vdd turn on threshold Voffth Vdd turn off threshold SYNC REFERENCE (SYNC) Vshth SYNC high threshold Vslth SYNC low threshold MOSFET GATE DRIVER (MOSG-C) Voh Output high voltage Vol Output low voltage Td Propagation delay Tpred Tr Rise time Tf Fall time 8 3.9 1.2 Io = -200mA Io = 200mA No load No load Load = 1nF (*) Load = 1nF (*) 11.5 15 0.2 25 25 (*) Tr & Tf are measured among 10% and 90% of starting and final voltage. 2006/03/28 Ver.2 Page 4 SP6013 Synchronous Rectifier Driver PERFORMANCE CHARACTERISTICS (TA=25, unless otherwise specified.) *Fig. 1 : No Load ; No SYNC *Fig. 4~5 : Frequency = 65 kHz. 2006/03/28 Ver.2 Page 5 SP6013 Synchronous Rectifier Driver SOP- 8 PACKAGE OUTLINE 2006/03/28 Ver.2 Page 6 SP6013 Synchronous Rectifier Driver Information provided is alleged to be exact and consistent. SYNC Power Corporation presumes no responsibility for the penalties of use of such information or for any violation of patents or other rights of third parties, which may result from its use. No license is granted by allegation or otherwise under any patent or patent rights of SYNC Power Corporation. Conditions mentioned in this publication are subject to change without notice. This publication surpasses and replaces all information previously supplied. SYNC Power Corporation products are not authorized for use as critical components in life support devices or systems without express written approval of SYNC Power Corporation. (c)The SYNC Power logo is a registered trademark of SYNC Power Corporation (c)2004 SYNC Power Corporation - Printed in Taiwan - All Rights Reserved SYNC Power Corporation 9F-5, No.3-2, Park Street NanKang District (NKSP), Taipei, Taiwan, 115, R.O.C Phone: 886-2-2655-8178 Fax: 886-2-2655-8468 http://www.syncpower.com 2006/03/28 Ver.2 Page 7 |
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