NJU7349

NJU7349 www.DataSheet4U.com Single-phase DC Brushless Motor Driver IC ♦ PACKAGE OUTLINE ♦ GENERAL DESCRIPTION The NJU7349 is single-phase DC brushless motor driver IC. It features MOS-FET driver circuit for better output characteristics. The driver includes PWM_IN INPUT for Rotation Speed Control. Maximum output current is 1000mA and Continuance output current is 500mA. It is suitable for variable speed FAN required Low Noise & Good Efficiency characteristics. NJU7349R ♦ FEATURES Speed Control with PWM Signal Input Operating Voltage 2.2 to 5.5V Internal Lock Detect / Auto Release Circuit Half-FG Output Thermal Shutdown Circuit Low Operating Current IDD=2mA Low Saturation Output Voltage Vsat= ±0.25V @Io=±500mA CMOS Technology Package Outline VSP10 ♦ BLOCK DIAGLAM ♦ PIN FUNCTION 1: Ct 2: Half-FG 3: VDD 4: OUT B 5: PWM_IN 6: Vss 7: OUT A 8: VDD 9: IN10: IN+ (Note) All VDD pins should be connected the power supply and the ground respectively. Otherwise, the electrical characteristic may not satisfy specifications 1 LD 10 9 8 7 TS 2 3 4 5 6 -1Ver.1.0 NJU7349 www.DataSheet4U.com ♦ ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Input Voltage Output Current (Continuance) Output Current (Peak) Operating Temperature Range Storage Temperature Range Power Dissipation RATINGS +7.0 -0.3 ∼ VDD+0.3 500 1000 -40 ∼ +85 -50 ∼ +150 400 SYMBOL (unit) VDD (V) VID(V) IO (mA) IO PEAK (mA) Topr (°C) Tstg (°C) PD (mW) (Ta=25°C) NOTE Device itself ♦ RECOMMENDED OPERATI...