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| KA2402 INTRODUCTION USE * Speed control or general-purpose low-voltage compact DC motor for microcassette tape recorders, radio cassettes and their equivalents. DC MOTOR SPEED CONTROLLER 8-DIP-300 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 Device Package 8-DIP-300 Operating Temperature -20I~ + 80I BLOCK DIAGRAM KA2402 Fig. 1 KA2402 ABSOLUTE MAXIMUM RATINGS (Ta = 25I) Characteristic Maximum Supply Voltage Maximum Motor Current Power Dissipation Operating Temperature Storage Temperature Symbol VCC IM (MAX) PD T OPR T STG DC MOTOR SPEED CONTROLLER I Value 10 700 600 -20 ~ +80 -40 ~ +125 Unit V mA mW RECOMMENDED OPERATING CONDITIONS (Ta = 25I) Characteristic Supply Voltage Recommended Operating Temperature Symbol VCC T OPR -20 ~ 60 Value 1.8 ~ 8 Unit V I I I ELECTRICAL CHARACTERISTICS (Ta = 25I) Characteristic Reference Voltage Circuit Current Current Coefficient Saturation Voltage Voltage Characteristic of Reference Voltage Voltage Characteristic of Current Coefficient Voltage Characteristic of Reference Voltage Current Characteristic of Current Coefficient Temperature Characteristic of Reference Voltage Temperature Characteristic of Current Coefficient Symbol VREF ICC K Test Conditions VCC = 3V, lM = 100mA VCC = 3V, lM = 100mA VCC = 3V, IM = 50mA IM = 100mA VCC = 3V, IM = l00mA IM = 100mA, VCC = 1.8 ~ 8V (KA2402) 1.8 ~ 4.5V (KA2402D) IM = 50, 150mA Vcc=1.8 ~ 8V (KA2402) 1.8 ~ 4.5V (KA2402D) IM = 3V IM =20 ~ 200mA VCC = 3V,lM = 20, 50mA -170, 200mA a I I Min 0.18 Typ 0.2 2.4 Max 0.22 6.0 55 0.3 Unit V mA 45 50 0.13 0.1 cV VSAT V %/V REF VREF /cVREF cK /cV K REF REF CC 0.3 %/mA cV /cI V cK /cI K m REF REF m 0.005 -0.07 -0.008 0.02 %/mA %/mA %/I %/I cV /cT V cK /cT K a VCC = 3V, IM = 100mA T a = - 20 ~ + 80I VCC = 3V, IM = 50m, 150mA T a = - 20 ~ + 80I KA2402 DC MOTOR SPEED CONTROLLER TEST CIRCUIT Fig. 2 APPLICATION CIRCUIT Fig. 3 |
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