STK681-300 Sanyo Semicon Device, STK681-300 Datasheet
STK681-300
Available stocks
Related parts for STK681-300
STK681-300 Summary of contents
Page 1
... Ordering number : ENA0760A STK681-300 Overview The STK681-300 is a hybrid IC for use in current control forward/reverse DC motor driver with brush. Applications • Office photocopiers, printers, etc. Features • Allows forward, reverse, and brake operations in accordance with the external input signal. • 2.9A startup output current and 5A peak brake output current. ...
Page 2
... Input current 2 Current set ting voltage Note: A fixed-voltage power supply must be used. Package Dimensions unit:mm (typ) 29.2 25.6 (20.47) 1 1.0 (5.6) 18 1.0=18.0 (20.4) STK681-300 Symbol Conditions With signals applied With signals applied 2=5.0V, DC current, Tc≤70° 2=5.0V, DC current, Tc=90° 2=5.0V, DC current, Tc=105° ...
Page 3
... Derating Curve of Motor Current vs. STK681-300 Operating Board Temperature, Tc The range of DC operating current lies within the above derating curve in the allowable operating range. The above motor current valid within the chopping operating range 1=28V or lower. ...
Page 4
... INH Sample Application Circuit V CC 2=5V IN1 IN2 INH C2 10μF/50V STK681-300 OUT1 OUT2 TR1 F1 82kΩ Current control 5.1kΩ STK681-300 OUT1 OUT2 6 Vref2 17 16 Vref1a 4 NC Vref1b RSO RSI ...
Page 5
... This IC is not designed for use in an H-bridge driver for power supplies because the I/O response time of its GND side driving device, required when switching the motor rotational direction, is several scores of microseconds. It should be used only for DC motor drivers. STK681-300 IN1 IN2 INH ...
Page 6
... Vref1b 18 Vref2 17 S.P 2 RSO 3 RSI 19 STK681-300 Reverse Brake Brake rotation Reverse Stop 2 Brake rotation Input pin for turning TR1 and F1 ON and OFF At high level, TR1: ON and F1: OFF; at low level TR1: OFF and F1: ON Input pin for turning TR2 and F2 ON and OFF At high level, TR2: ON and F2: OFF ...
Page 7
... Substrate temperature rise , ΔTc (no heat sink) - Internal average power dissipation, PdAV (2) Internal average power dissipation, Pd, in the DC current-motor current characteristics (typ values for Pd) (3) Overheating current control characteristics Overheating current control functions to prevent driver failure if a motor lock malfunction occurs. STK681-300 ΔTc - PdAV 80 70 ...
Page 8
... The package power dissipation, PdPK, refers to the internal average power dissipation, Pd, permissible if used without a heat sink Vdf - If 1.4 1.2 1.0 0.8 0.6 0.4 0 Vsat1 - 2 =1A 2.0 2A 1.5 2.9A 1.0 0.5 0 2.5 3.0 3 STK681-300 PdPK - Ta 3.5 3.0 2.5 2.0 1.5 1.0 0 Ambient temperature °C Tc=25° ITF02512 4.0 4.5 5.0 ITF02514 80 100 120 ...
Page 9
... Tc=25° Tj=150°C, 3 Single pulse STK681-300 V CC 1=24V 2=5.0V, Tc=25°C, OUT1-OUT2, Pin load=1kΩ, 12pin=High ITF02516 2.5 3.0 3.5 4.0 4.5 5.0 ITF02518 100 ITF02520 250 V CC 1=24V 2=5.0V, Tc=25°C ...
Page 10
... SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellectual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of June, 2011. Specifications and information herein are subject to change without notice. STK681-300 INH ...