STK740-420 SANYO [Sanyo Semicon Device], STK740-420 Datasheet
STK740-420
Related parts for STK740-420
STK740-420 Summary of contents
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... Ordering number:EN6106 Overview The STK740-441 is a separate-excitation step-down chopper regulator hybrid IC for the secondstage circuit and optimal as a 3.3V local power supply for use in logic circuit that includes both 5V and 3.3V systems. This IC incorporates in the package all the necessary circuits for a chopper regulator including power switch, error ...
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... This product is listed in a product series due to its property such as output voltage, output current, package, and other similar items. Since some prducts listed in the table below is under development, please refer to your Sanyo sales representative for details. Type number Input voltage STK740-411 STK740-420 STK740-441 STK740-450 STK740-471 STK740-470 ...
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... GND OUT 11 STK740-441 TR1 Snubber circuit Drive circuit PWM On/off circuit Soft start circuit Short protection circuit Description Remote on/off switching Output voltage sensing Output voltage fine adjustment Feedback (error amplifier output), phase compensation ...
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... In a constant-voltage power supply circuit output voltage may generally exceed the stipulated rating (equivalent to input voltage) when the circuit is broken down or the IC and the printed circuit board is wrongly soldered. Therefore overvoltage protection circuit is recommended to use to minimize the damages caused by the overvoltage. FUSE DC INPUT GND STK740-441 ...
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... Sample Characteristics 25˚C, in the test circuit 3.6 3.5 3.4 3.3 3.2 3.1 3 100 STK740-441 Output Voltage vs.Output Current Output Current Io[A] Efficiency vs.Output Current Output Current Io[ No.6106–5/10 ...
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... STK740-441 Output Voltage vs.Input Voltage Input Voltage V [ Fin Output Current Derating Ambient Temperature 100 No.6106–6/10 ...
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... Power Dissipation vs Output Current 4.0 3.0 2.0 1.0 0 STK740-441 No Fin Tc vs.Output Current Output Current Io[ Output Current Io[ No.6106–7/10 ...
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... Connect GND pin (pin 5) with the input capacitor (–) or the output capacitor (–). However, connect with the output capacitor (–) unless otherwise specified. 5 Shorten the length of the line between the input capacitor (–) and the output capacitor (–) as well as possible. 6 Connect V pin (pin 2) with the output capacitor (+). S STK740-441 ...
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... Perspective Wiring Layout (from soldered side) R6 C1a C1b VIN GND C1c CN1 C8 Circuit Pattern (soldered side) STK740-441 IC1 R5 R1R2 FB1 C2a C2b STK740-400 TEST S-GND ON/OFF R3 +Vs C2c +Vo GND No.6106–9/10 ...
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... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of June, 1999. Specifications and information herein are subject to change without notice. STK740-441 PS No.6106–10/10 ...