stk740-411 Sanyo Semiconductor Corporation, stk740-411 Datasheet
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stk740-411
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stk740-411 Summary of contents
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... Ordering number:EN6106 3.3V/5A Single Output Separate Excitation 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 ...
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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 ...
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... STK740-441 TR1 Snubber circuit Error amplifier PWM Phase compensation On/off circuit Soft start circuit Short protection circuit Description ’ F ’ OUT 9 ...
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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 SCR 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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... Output Voltage vs.Input Voltage 3.6 3.5 3.4 3.3 3.2 3.1 3 6.0 5.0 4.0 3.0 2.0 1.0 0.0 - Ambient Temperature Ta[ C] STK740-441 5 6 Input Voltage V [ Fin Output Current Derating = = 100 No.6106–6/10 ...
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... No Fin Power Dissipation vs Output Current 4.0 3.0 2.0 1.0 0 STK740-441 Tc vs.Output Current 3 4 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 IC1 C1a C1b VIN GND C1c CN1 C8 Circuit Pattern (soldered side) STK740-441 R5 R1R2 FB1 C2c L1 C9 C2a C2b STK740-400 TEST S-GND ON/OFF R3 +Vs +Vo GND CN 2 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 ...