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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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FPF2701MX 데이터시트(PDF) 1 Page - Fairchild Semiconductor |
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FPF2701MX 데이터시트(HTML) 1 Page - Fairchild Semiconductor |
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1 / 19 page  January 2011 © 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com FPF2700 / FPF2701 / FPF2702 • Rev. 1.0.2 FPF2700 / FPF2701 / FPF2702 — AccuPower™ 0.4~2A Adjustable Over-Current Protection Load Switches Features 2.8V to 36V Input Voltage Range Typical R DS(ON)=88m 0.4A to 2A Adjustable Current Limit (Min.) Slew Rate Controlled ESD Protected, above 2000V HBM Thermal Shutdown Active LOW Enable UVLO Protection Power-Good Output Applications Motor Drives Digital Cameras Consumer Electronics Industrial Computing Hard Disk Drives Telecom Equipment Figure 1. MLP (Top View) Figure 2. MLP (Bottom View) Figure 3. SO8 (Top View) Description The AccuPower™ FPF270X series is a family of current-limit load switches that provide full protection to systems and loads from excess current conditions. Minimum current limit is adjustable from 0.4A to 2.0A. The FPF270X contains a slew-rate-controlled N-channel MOSFET and slew-rated turn-on to prevent power bus disturbances from being caused by “hot plugging” loads or momentary excess load demands. The input voltage range is 2.8V to 36V. Loads can be activated or deactivated with a low-voltage logic-compatible ON pin. Fault conditions can be monitored using the error flag pin and/or the power-good pin. Each member of the FPF270X family serves a category of load-fault response. All devices clamp the load current so that it cannot exceed an externally programmed current level. An over temperature feature provides further device protection in case of excessive levels of power dissipation. FPF2700 responds to an overload condition that lasts longer than a fixed blanking period by turning off the load, followed by a retry after the auto-restart time. FPF2701 responds to an overload condition that lasts longer than a fixed blanking period by latching off the load. The load remains off unless either the ON pin is toggled or the input voltage cycles through UVLO. FPF2702 is intended to be used with external fault management. Like the FPF2700 and FPF2701, it sets the fault signal pin LOW when it activates current clamping. This device is intended for applications where external fault management coordinates the overload response with the FPF2702. The FPF270X is available in a space-saving Pb and Halogen free, 8-lead MLP 3x3mm and SO8 packages. Ordering Information Part Number Current Limit [A] Current Limit Blanking Time [ms] Auto-Restart Time [ms] ON Pin Activity Package FPF2700MPX 0.4 – 2.0 0.5 127.5 Active LOW MLP3X3 FPF2701MPX 0.4 – 2.0 0.5 NA Active LOW MLP3X3 FPF2702MPX 0.4 – 2.0 NA NA Active LOW MLP3X3 FPF2700MX 0.4 – 2.0 0.5 127.5 Active LOW SO8 FPF2701MX 0.4 – 2.0 0.5 NA Active LOW SO8 FPF2702MX 0.4 – 2.0 NA NA Active LOW SO8 |
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