KA2402 DC MOTOR SPEED CONTROLLER INTRODUCTION 8-DIP-300 USE • Speed control or general-purpose low-voltage compact DC motor for microcassette tape recorders, radio cassettes and their equivalents. FEATURES • Operating supply voltage range KA2402: Vcc=1.8V ~ 8V • Capable ot making the applicable set compact because of a minimum of adjust speed. • Easy to adjust speed. • Built-in stable low reference power meeting the requirements for 2 speeds. • VREF = 0.2V ORDERING INFORMATION BLOCK DIAGRAM Fig. 1 Device Package KA2402 8-DIP-300 Operating Temperature Î~ + 80Î -20 KA2402 DC MOTOR SPEED CONTROLLER Î) ABSOLUTE MAXIMUM RATINGS (Ta = 25 Characteristic Symbol Value Unit VCC IM (MAX) PD T OPR T STG 10 700 600 -20 ~ +80 -40 ~ +125 V mA mW Maximum Supply Voltage Maximum Motor Current Power Dissipation Operating Temperature Storage Temperature Î Î Î) RECOMMENDED OPERATING CONDITIONS (Ta = 25 Characteristic Symbol Supply Voltage VCC Recommended Operating Temperature T OPR Value Unit 1.8 ~ 8 V Î -20 ~ 60 Î) ELECTRICAL CHARACTERISTICS (Ta = 25 Characteristic Symbol Reference Voltage Test Conditions VREF VCC = 3V, lM = 100mA Circuit Current ICC VCC = 3V, lM = 100mA Current Coefficient K VCC = 3V, IM = 50mA IM = 100mA VSAT Saturation Voltage Voltage Characteristic of Reference Voltage çV /çV V Voltage Characteristic of Current Coefficient çK /çV Voltage Characteristic of Reference Voltage Current Characteristic of Current Coefficient Temperature Characteristic of Reference Voltage Temperature Characteristic of Current Coefficient REF REF REF CC K çV /çI V çK /çI REF m REF m K çV /çT V çK /çT REF REF K a a Min Max Unit 0.2 0.22 V 2.4 6.0 mA 50 55 VCC = 3V, IM = l00mA 0.13 0.3 IM = 100mA, VCC = 1.8 ~ 8V (KA2402) 1.8 ~ 4.5V (KA2402D) 0.1 %/V IM = 50, 150mA Vcc=1.8 ~ 8V (KA2402) 1.8 ~ 4.5V (KA2402D) 0.3 %/mA IM = 3V IM =20 ~ 200mA 0.005 %/mA VCC = 3V,lM = 20, 50mA -170, 200mA -0.07 %/mA VCC = 3V, IM = 100mA T a = - 20 ~ + 80 -0.008 Î V = 3V, I = 50m, 150mA T = - 20 ~ + 80Î CC a M 0.18 Typ 45 0.02 V Î %/Î %/ KA2402 DC MOTOR SPEED CONTROLLER TEST CIRCUIT Fig. 2 APPLICATION CIRCUIT Fig. 3