DESCRIPTION
FEATURES
*Wide operating supply voltage: Vcc=1.8V-7V *Few external components *Easy speed control mode DIP-8 BLOCK DIAGRAM Comp. Input VREFVREF+ VCC 4 1k Ω 1 2 Reference Voltage 3 Start Circuit 10k Ω 10k Ω Motor 7 8 Phase 5 GND 6 GND ABSOLUTE MAXIMUM RATINGS
(Ta=25°C) PARAMETER Supply Voltage Terminal Voltage Terminal 8 Voltage Supply Current Terminal 7 Current Power Dissapation Operating Temperature Storage Temperature *Test Time<5µs SYMBOL VCC Vn(n=1,2,3,4) V8 ICC* I7 PD TOPR TSTQ VALUE 7.5 -0.5 to 7.5 -0.5 to 1 1000 1000 750 -20 to 70 -40 to 150 UNIT V V V mA mA mW °C °C UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R109-002,A UTC AN6650 PARAMETER Quiescent Circuit Current Reference Voltage Start Voltage Saturation Voltage Reference Voltage Characteristics LINEAR INTEGRATED CIRCUIT TEST CONDITIONS VCC=3V VCC=3V £ ¬ R2-1>10kΩ 30mAcurrent flow to Ra VCC=1.8V,Ra=4.7Ω VCC=1.8V~7.0V 1.20 ELECTRICAL CHARACTERISTICS
(Ta=25°C, Vcc=6V, f=1KHZ, unless otherwise specified) SYMBOL ICC VREF...
Unisonic Technologies
