TO-220F

厂商：
FAIRCHILD(仙童半导体)
封装：
描述：
TO-220F - Internal high voltage sense FET - Fairchild Semiconductor

数据手册：

下载TO-220F.pdf

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数据手册
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TO-220F 数据手册

KA1M0380 FEATURES - Precision fixed operating frequency (70KHz) - Pulse by pulse over current limiting - Over load protection - Internal thermal shutdown function - Under voltage lockout - Internal high voltage sense FET < - Low start up current ( 0.4mA) TO-220F SPS PRODUCT SUMMARY Part Number KA1M0380 BVdss 800V Rds(on) 5Ω ID 3A Ο 1.GND 2.DRAIN 3.Vcc 4.FB ABSOLUTE MAXIMUM RATINGS ( Ta = 25 C , unless otherwise specified ) Characteristics Drain - Source(GND) Voltage (1) Drain - Gate Voltage (R =1MΩ) (1) GS Gate - Source(GND) Voltage Rise Time (2) Fall Time (2) Drain-Sourse Off State Leakage Current ( Vds = 0V, Vgs = 0V ) C) Continuous Drain Current (Tc = 25 Supply Voltage Analog Input Voltage Range Total Power Dissipation Operating Temperature Storage Temperature Ο Ο Ο Symbol VDSS VDGR VGS Tr Tf IDSS ID VCC VFB PD ( wt H/S) Derating TOPR TSTG Value 800 800 _ + 30 95 60 250 3.0 30 -0.3 ~ VSD 20 0.28 - 25 ~ + 85 - 55 ~ + 150 Unit V V V ns ns uA ADC V V W W/ C Ο Ο C C Ο Notes: (1) TJ = 25 C to 150 C (2) VDD = 400V, ID = Max. Rating, V = 10V GS Rev. B ©1999 Fairchild Semiconductor Corporation KA1M0380 ELECTRICAL CHARACTERISTICS ( Control part ) ( Ta = 25 C unless otherwise specified ) Symbol Characteristics Min Typ Max Unit Ο SPS Test Conditions REFERENCE SECTION Vref Output Voltage 4.80 5.00 5.20 0.3 V Ta = 25 C __ -25 C < Ta < +85 C Ο Ο Vref/ ∆T Temperature Stability OSCILLATOR SECTION FOSC ∆F Ο 0.6 mV/ C Ο Note1 Initial Accuracy Frequency Change with Temperature 62 67 _ +5 72 _ + 10 KHz Ta = 25 C % Ο Ο __ -25 C < Ta < +85 C Ο / ∆T PWM SECTION DMAX Maximum Duty Cycle 62 67 72 % Ο FEEDBACK SECTION I FB Idelay Feedback Source Current Shutdown Delay Current 1 5 mA uA Ta = 25 C , Vfb = 0 _ _ SD 5 V < Vfb < V OVER CURRENT PROTECTION SECTION IL(MAX) Over Current Protection 1.5 1.8 2.2 A Max. Inductor Current UVLO SECTION Vth(H) Vth(L) Start Threshold Voltage Minimum Operating Voltage 14 9 15 10 16 11 V V After turn on KA1M0380 ELECTRICAL CHARACTERISTICS ( Continued) ( Ta = 25 C unless otherwise specified ) Symbol Characteristics Min Typ Max Unit Ο SPS Test Conditions TOTAL STANDBY CURRENT SECTION IST IOPR VZ Start up Current Operating Supply Current ( control part only ) Vcc Zener Voltage 30 0.25 15 32.5 0.4 18 35 mA VCC = 14V mA V Ta = 25 C , ICC = 20mA Ο SHUTDOWN SECTION VSD T SD Shutdown Feedback Voltage ThermalShutdownTemperature(Tj) 7 7.6 150 8.2 V Ο C Note 1 Notes: (1) These parameters, although guaranteed,are not 100% tested in production (2) In output section, the design target is the maximum current after current clamping (3) These parameters, although guaranteed, are tested in EDS(wafer test) process. TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACEx™ CoolFET™ CROSSVOLT™ E2CMOSTM FACT™ FACT Quiet Series™ FAST® FASTr™ GTO™ HiSeC™ DISCLAIMER ISOPLANAR™ MICROWIRE™ POP™ PowerTrench™ QS™ Quiet Series™ SuperSOT™-3 SuperSOT™-6 SuperSOT™-8 TinyLogic™ UHC™ VCX™ FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or 2. A critical component is any component of a life support device or system whose failure to perform can systems which, (a) are intended for surgical implant into be reasonably expected to cause the failure of the life the body, or (b) support or sustain life, or (c) whose support device or system, or to affect its safety or failure to perform when properly used in accordance with instructions for use provided in the labeling, can be effectiveness. reasonably expected to result in significant injury to the user. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Advance Information Product Status Formative or In Design Definition This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. Preliminary First Production No Identification Needed Full Production Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only.

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TO-220F

1. 物料型号： - 型号：KA1M0380

2. 器件简介： - KA1M0380是一款固定频率（70KHz）的同步整流降压（Buck）转换器，具有逐脉冲过流限制、过载保护、内部热关断功能、欠压锁定、内部高电压感应FET和低启动电流（<0.4mA）等特点。

3. 引脚分配： - 1.GND（地） - 2.DRAIN（漏极） - 3.Vcc（供电电压） - 4.FB（反馈）

4. 参数特性： - 最大漏源电压（GND）：800V - 漏极-栅极电压（Ris=1MΩ）：800V - 栅极-源极（GND）电压：±30V - 上升时间：95ns - 下降时间：60ns - 漏源关断状态漏电流（Vds=0V, Vgs=0V）：250μA - 连续漏极电流（Tc=25°C）：3.0A - 供电电压：30V - 类比输入电压范围：-0.3~VSD - 总功率耗散：20W（在1/S时） - 降额：0.28W/°C - 工作温度：-25~+85°C - 存储温度：-55~+150°C

5. 功能详解： - 输出电压：4.80~5.20V - 温度稳定性：0.3mV/°C（-25°C≤Ta≤+85°C） - 初始精度：62~72KHz - 频率随温度变化：±5%~±10%（-25°C

6. 应用信息： - KA1M0380适用于需要固定频率同步整流降压转换的应用场合，如电源适配器、LED照明驱动等。

7. 封装信息： - 封装类型：TO-220F

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