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DIP DIP DIP DIP-- --16 16 16 16 SOP SOP SOP SOP-- --11 1188 88 SSC9510 Series Controller IC for Current Resonant Type Switching Power Supply with Half-Bridge Resonance, High Efficiency and Low Noise ■ General Descriptions The SSC9510 series products are controller ICs, incorporating a floating drive circuit for half-bridge type resonance. The product achieves high efficiency and low noise power supply systems by the ZVS and ZCS. The product is recommended for high-efficiency small and standardized power supplies because of easy circuit designs with few external components. ■ Features /circle6 Soft-Switched Multi-Resonant Zero Current Switch (SMZ) The zero-current switching (ZSC) and zero-voltage switching (ZVS) of half-bridge type resonance achieve the high efficiency and low noise systems. /circle6 Automatic Dead Time Adjustment Function for Wide Resonant Conditions /circle6 Burst-Oscillation Function The function enables the stable output control at no load to light load conditions and improves the efficiency. /circle6 Soft-Start Function /circle6 Brown-In / Brown-Out Function The function enables the oscillation start /stop by externally rated input voltage and makes protections at low input voltage. /circle6 External Latch Protection (ELP) The function enables the latch shutdown by external signal. /circle6 Various Protections Three-step protections depending on overcurrent status ■ Applications Switching Power Supplies for Digital Consumer Equipment; LCD-TVs, PDP-TVs, etc., OA Equipment; Severs, Multi-Function Printers, etc., Industry Machines, Communication Devices, Others ■ Product Lineup Product No Package SSC9512 DIP-16 SSC9512S SOP-18
SANKEN ELECTRIC CO.,LTD. Warning /circle6 The contents in this document are subject to changes, for improvement and other purposes, without notice. Make sure that this is the latest version of the document before use. /circle6 The operation and circuit examples in this document are provided for reference purposes only. Sanken assumes no liability for violation of industrial property, intellectual property, or other rights of Sanken or third parties, that stem from these examples. /circle6 The user must take responsibility for considering and determining which objects the products in this document are used with. /circle6 Although Sanken will continue to improve the quality and reliability of its products, semiconductor products, by their nature, have certain fault and failure rates. The user must take responsibility for designing and checking to secure the device and system so that a part failure may not lead to human injury, fire, damages, or other losses. /circle6 The contents in this document must not be transcribed or copied without Sanken’s written consent. ■ Typical Application Circuit ■ Typical Electrical Characteristics and Operation Waveforms Power Supply Characteristics Input : 380VDC, Output : 24V/8.5A (204W), with Power MOSFET R DS(ON) : 0.56 Ω Ci VB (NC) (NC) VGL VS VGH COM FB RC OC GND 13 12 16 Vcc Reg 3 5 7 6 8 CSS RV Cv Vsen GG GGNN NNDD DD PP PPoo ooww wwee eerr rr SS SSuu uupp pppp ppll llyy yy VV VVOO OOUU UUTT TT SS SSSS SSCC CC99 9955 5511 1122 22 VV VVDD DDCC CC EE EExx xxtt ttee eerr rrnn nnaa aall ll 8 4 % 8 6 % 8 8 % 9 0 % 9 2 % 9 4 % 9 6 % 9 8 % 1 0 0 % 0 5 0 1 0 0 1 5 0 2 0 0 Efficiency η (%) Efficiency η －－ －－Output Power P OUT Output Power P OUT (W) SSC9512S(SOP-18) is different pin number. No Load Heavy Load 2µs/D V DS (Lo-side) 200V/D 2A/D ID (Hi-side)