NJM2640E NJR, NJM2640E Datasheet
NJM2640E
Specifications of NJM2640E
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NJM2640E Summary of contents
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... FEATURES Operating Supply Voltage V Absolute Maximum Voltage 60V Internal Lock Protection /Auto Protection Release Circuit Lock Alarm Output Terminal Package Outline EMP8 BLOCK DIAGRAM improves power supply =4 to 55V CC NJM2640 PACKAGE OUTLINE NJM2640E PIN CONFIGURATIONS Vcc GND OUT1 8 : OUT2 Ver 3 ...
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NJM2640 ABSOLUTE MAXIMUM RATINGS(Ta=25°C) PARAMETER Supply Voltage Hall Input Voltage Range Output Current Lock Alarm Output Voltage Hall Input Differential Voltage Lock Alarm Output Current Power Dissipation Operating Temperature Range Operating Junction Temperature Range Storage Temperature Range ELECTRICAL CHARACTERISTICS(Vcc=48V, Ta=25°C) ...
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TYPICAL CHARACTERISTICS 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0 ICC VS. VCC ...
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NJM2640 NJM2640 application note The NJM2640 is a two-phase motor unipolar pre-driver IC featuring 60V operating high voltage process technology suitable for fan motor drivers for communication equipment where 48V operation is required. [Application Circuit Example ...
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Lock detection time (Ton) is given by: Vch Vcl sec ON Ic Where C2 is 0.47uF Auto Resume Time (Toff) is given by: Vch Vcl T ...
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NJM2640 3. Design of hall element bias resistance (R1 and R2) Hall amplifier is a differential amplifier with hysteresis characteristics (24mV typical). The common-mode input voltage is between 1.5V and Vcc-2V and the input signal must be within the range. ...
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There are two methodologies to consume kick back voltage insertion of ZD1 (zenner diode connected between Base and Emitter of TR1) Energy of kick back voltage is consumed by TR1(or TR2). When ZD1 is in operation, Collector voltage ...