SD4844 Silan Microelectronics, SD4844 Datasheet
SD4844
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SD4844 Summary of contents
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... SD4841P67K65 SD4842P67K65 SD4843P67K65 SD4844P67K65 Note: P denotes it is available in DIP8 package, 67k denotes 67KHz, and 65 denotes withstand voltage is 650V. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: //www.silan.com.cn SD4840/4841/4842/4843/4844 APPLICATIONS * Switch power Package DIP-8-300-2.54 Marking SD4840P67K65 SD4841P67K65 SD4842P67K65 SD4843P67K65 SD4844P67K65 REV:1.2 2008.12.17 Page ...
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... Http: //www.silan.com.cn SD4840/4841/4842/4843/4844 190~265VAC Adapter Open 7W 9W 10W 14W 12W 17W 14W 19W 16W 21W Symbol V DGR V GS SD4840P67K65 SD4841P67K65 I SD4842P67K65 DM SD4843P67K65 SD4844P67K65 85~265VAC Adapter Open 5W 7.2W 8W 12W 10W 14W 12W 15W 14W 18W Rating Unit 650 V ± REV:1 ...
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... SD4842P67K65 Capacitance SD4843P67K65 SD4844P67K65 HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: //www.silan.com.cn SD4840/4841/4842/4843/4844 Symbol SD4840P67K65 SD4841P67K65 I SD4842P67K65 D SD4843P67K65 SD4844P67K65 SD4840P67K65 SD4841P67K65 SD4842P67K65 E AS SD4843P67K65 SD4844P67K65 V CC,MAX Darting amb T STG =25°C j (sense MOSFET part, unless otherwise specified, T Symbol Test conditions BV V =0V, I =50μ ...
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... SD4840P67K65 SD4841P67K65 Turn Off Delay SD4842P67K65 Time SD4843P67K65 SD4844P67K65 SD4840P67K65 SD4841P67K65 Fall Time SD4842P67K65 SD4843P67K65 SD4844P67K65 www.DataSheet4U.com ELECTRICAL CHARACTERISTICS Characteristics Undervoltage Section Start Threshold Voltage Stop Threshold Voltage Oscillator Section Oscillate Frequency Frequency Jitter Frequency Change With Temperature Maximum Duty Cycle ...
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... Characteristics Built-in Soft Start Time Current Limit SD4840P67K65 SD4841P67K65 Peak Current SD4842P67K65 Limit SD4843P67K65 SD4844P67K65 Burst mode Burst Mode High Voltage Burst Mode Low Voltage Protection Section Overvoltage Protection Thermal Shutdown Leading-edge Blanking Time Total Standby Current Start Current Supply Current (Control Part) PIN CONFIGURATION www ...
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... In order to decrease transformer stress and to prevent its saturation during power on recommended to increase peak current value of primary winding slowly by increasing feedback voltage slowly. After about 15ms, the soft start is completed and it has no effect on normal operation. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: //www.silan.com.cn SD4840/4841/4842/4843/4844 ...
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... And leading edge blanking is adopted to eliminate this error operation. The output of PWM comparator is used for controlling shutdown after the leading edge blanking if there is any output drive. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: //www.silan.com.cn SD4840/4841/4842/4843/4844 REV:1 ...
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... Thermal Shutdown If the circuit is over temperature, the over temperature protection will shut down the output to prevent the circuit from damage. This state is kept until the under voltage occurs, and the circuit will start. www.DataSheet4U.com HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: //www.silan.com.cn SD4840/4841/4842/4843/4844 REV:1.2 2008 ...
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... TYPICAL APPLICATION CIRCUIT Note: 1. The circuit and parameters are for reference only, please set the parameters of the real application circuit based on the real test. 2. Better not to place VCC winding as inner coil. www.DataSheet4U.com HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: //www.silan.com.cn SD4840/4841/4842/4843/4844 REV:1.2 2008.12.17 Page ...
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... MOS devices should be packed in antistatic/conductive containers for transportation. Note：Silan reserves the right to make changes without notice in this specification for the improvement of the design and performance. Silan will supply the best possible product for customers. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: //www.silan.com.cn SD4840/4841/4842/4843/4844 REV:1 ...
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... Attachment Revision History Data REV 2008.07.07 1.0 2008.11.06 1.1 2008.12.17 1.2 www.DataSheet4U.com HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: //www.silan.com.cn SD4840/4841/4842/4843/4844 Description Original Modify the “BLOCK DIAGRAM” and “FUNCTION DESCRIPTION” Add the note for “TYPICAL APPLICATION CIRCUIT” Page REV:1.2 2008.12.17 Page ...