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1、Leadership through Innovative Power and Optical Solutions - Success by Overcoming Constant Challenges.SANKEN CONFIDENTIAL暂定资料暂定资料2007/11/29POWER CONVERSION DEVICE DIVISIONENGINEERING HEADQUARTERSSANKEN ELECTRIC CO.,LTD.New Low EMI ICSTR-A6000P.1STR-A6000系列系列Leadership through Innovative Power and Op
2、tical Solutions - Success by Overcoming Constant Challenges.SANKEN CONFIDENTIAL暂定资料暂定资料FeaturesP.2(1)(1)Brown out保护功能保护功能 低输入时保护电源。低输入时保护电源。(2)(2)Random开关动作开关动作 降低噪声。简化降低噪声。简化EMIEMI滤波器。滤波器。(3)(3)内置输入校正的过电流保护内置输入校正的过电流保护(OCP)(OCP) 带有输入校正功能機能，无需外加器件，能减少带有输入校正功能機能，无需外加器件，能减少过电流保护对输入过电流保护对输入ACAC电压的依赖。电压
3、的依赖。(4)(4)过负载保护功能过负载保护功能(OLP)(OLP) 无需外加器件。降低过负载时的发热。无需外加器件。降低过负载时的发热。自动重起自动重起(Auto-restart)(Auto-restart)。(5)(5)起动电路待机功能内置起动电路待机功能内置 无需起动电阻。抑制变压器发出的声音。无需起动电阻。抑制变压器发出的声音。(6)(6)Bias assist功能功能 VCCVCC低下时可提供起动电流，故提高了起动性能。低下时可提供起动电流，故提高了起动性能。(7)(7)高速高速Latch解除功能解除功能OVP/TSDOVP/TSD锁定动作后，切断锁定动作后，切断ACAC电源后锁定立
4、即解除。电源后锁定立即解除。(8)(8)内置斜坡内置斜坡(slope)补偿电路补偿电路 防止次谐波防止次谐波(Sub-harmonic)(Sub-harmonic)振荡。振荡。Leadership through Innovative Power and Optical Solutions - Success by Overcoming Constant Challenges.SANKEN CONFIDENTIAL暂定资料暂定资料Pin.NoSymbolFunction1S/OCPMOSFET Source / OCP2BRBrown-in / Brown-out control3GNDGro
5、und4FBFeedback control5VCCPower supply input/ Over Voltage Protection67D/STMOSFET Drain / Startup current input8Package InformationPackage InformationPackage : DIP8MICP.3MOSLeadership through Innovative Power and Optical Solutions - Success by Overcoming Constant Challenges.SANKEN CONFIDENTIAL暂定资料暂定
6、资料Block diagramBlock diagramP.4Leadership through Innovative Power and Optical Solutions - Success by Overcoming Constant Challenges.SANKEN CONFIDENTIAL暂定资料暂定资料Typical applicationTypical applicationP.5Brown out功能不使用时，端子请与短接。Leadership through Innovative Power and Optical Solutions - Success by Overc
7、oming Constant Challenges.SANKEN CONFIDENTIAL暂定资料暂定资料Bias Assist / Frequency modulation / OLP OperationBias Assist / Frequency modulation / OLP OperationP.6起动时起动时VCCVCC掉至掉至9.59.5后提供起动电流。后提供起动电流。正常时正常时randomswitchingrandomswitching动作可降低噪声。动作可降低噪声。过负载过负载过负载状态持续过负载状态持续60ms60ms后后OLPOLP。休止时休止时ICCICC从从1.3
8、mA1.3mA减少到减少到260A260A，延长了振荡休止期间。，延长了振荡休止期间。Leadership through Innovative Power and Optical Solutions - Success by Overcoming Constant Challenges.SANKEN CONFIDENTIAL暂定资料暂定资料Brown-in / Brown-out ProtectionBrown-in / Brown-out ProtectionP.8外部电路：在直流母线电压两端插入分压电阻并检测电压。外部电路：在直流母线电压两端插入分压电阻并检测电压。动作：动作：，开始开关
9、动作。，开始开关动作。状态下，持续后开关动作停止。状态下，持续后开关动作停止。效果：通过检测交流纹波的峰值，使检测精度不受负载的影效果：通过检测交流纹波的峰值，使检测精度不受负载的影响。响。Leadership through Innovative Power and Optical Solutions - Success by Overcoming Constant Challenges.SANKEN CONFIDENTIAL暂定资料暂定资料Over Voltage ProtectionOver Voltage ProtectionP.8外部电路：通过在交流输入电压两端插入分压电阻和滤波电外
10、部电路：通过在交流输入电压两端插入分压电阻和滤波电容检测。容检测。动作：动作： 检测到过电压后开关动作停止、检测到过电压后开关动作停止、VCC保持在保持在9.5V以上。以上。 为使锁定解除，需关断交流输入。为使锁定解除，需关断交流输入。 电压后，锁定解除。电压后，锁定解除。效果：用作输入电容值大的大功率变换器的辅助电源时，也效果：用作输入电容值大的大功率变换器的辅助电源时，也能瞬间解除锁定。能瞬间解除锁定。Leadership through Innovative Power and Optical Solutions - Success by Overcoming Constant Chal
11、lenges.SANKEN CONFIDENTIAL暂定资料暂定资料OCP & Drain Peak current CompensationOCP & Drain Peak current CompensationIout-Vout characteristic withoutOCP input compensationBlock diagram for OCP detection circuitIO(OCP) vs. VIN(AC)Iout-Vout characteristic withOCP input compensationA6000without DPCP.7动作：在漏极电流信号
12、上重叠过电流校动作：在漏极电流信号上重叠过电流校正信号，交流输入电压低、正信号，交流输入电压低、ONON幅度变宽，幅度变宽，控制过电流捡测点变高。控制过电流捡测点变高。效果：过电流保护对交流输入的依赖减效果：过电流保护对交流输入的依赖减少。少。Leadership through Innovative Power and Optical Solutions - Success by Overcoming Constant Challenges.SANKEN CONFIDENTIAL暂定资料暂定资料Standby OperationStandby OperationP.10 负载变轻，负载变轻，
13、VFB1.1V时开关动作停止，若时开关动作停止，若VFB 上升上升0.1V后开关动作再次动作。通过这样反复，后开关动作再次动作。通过这样反复， 减少开关次数来降低待机功耗。减少开关次数来降低待机功耗。 通过抑制漏极电流的峰值可减少变压器的声音通过抑制漏极电流的峰值可减少变压器的声音。 开关动作开关动作OFF期间内，期间内，Vcc若低到若低到9.5V，Bias assist功能启动，提供起动电流，以防止功能启动，提供起动电流，以防止IC动作停止。动作停止。Leadership through Innovative Power and Optical Solutions - Success by
14、Overcoming Constant Challenges.SANKEN CONFIDENTIAL暂定资料暂定资料Line-up planLine-up plan(20071226(20071226日日日日) )P.11产品名产品名频率（频率（Hz）VDSS（min）RDS（ON）（）（max）Vin（AC）Pout（W）ES（Plan）STR-A6051M ： 67H ： 100650V3.95Wide1208.03230V16STR-A60522.8Wide16230V20STR-A60531.9Wide20230V24STR-A60596.0Wide9230V14STR-A6061M
15、： 67H ： 100700V3.95Wide1208.03230V16STR-A60622.8Wide16230V20STR-A60631.9Wide20计划中计划中230V24STR-A60696.0Wide908.03230V14STR-A6079800V19.2Wide5230V8Leadership through Innovative Power and Optical Solutions - Success by Overcoming Constant Challenges.SANKEN CONFIDENTIAL暂定资料暂定资料STR-A6000 SeriesSTR-A6000 SeriesP.5Question and AnswerLeadership through Innovative Power and Optical Solutions - Success by Overcoming Constant Challenges.SANKEN CONFIDENTIAL暂定资料暂定资料部分资料从网络收集整理而来，供大家参考，感谢您的关注！
