NJU7329A

www.DataSheet4U.com NJU7329A Single-phase DC Brushless Motor Driver IC s GENERAL DESCRIPTION s PACKAGE OUTLINE The NJU7329A is a single-phase DC brushless motor driver IC for small fan-motor and high power applications. It features MOS-FET driver circuit for better saturation characteristics. Slew late of amplifiers and feedback resistors are optimized to achieve low-noise motor operation. The NJU7329A also includes. Frequency generator (FG) output for various control needs. NJU7329ARB2 s FEATURES Operating Voltage VDD=2.4 ∼ 5.5V FG Output Internal Lock Detect / Auto Recovery Circuit Internal Thermal Shutdown Circuit Low Operating Current IDD=3mA (Typ.) Low Saturation Output Voltage Vsat=±0.35V @Io=±350mA C-MOS Technology Package Outline TVSP10 s BLOCK DIAGLAM s PIN FUNCTION 1: NC 2: OUT A 3: IN4: IN+ 5: GND 6: NC 7: Ct 8: FG 9: OUT B 10: VDD 1 TSD 10 2 9 RF 3 RF 8 4 Lock Detect 7 5 6 Ver.2003-07-28 -1- NJU7329A s ABSOLUTE MAXIMUM RATINGS PARAMETER RATINGS SYMBOL (unit) VDD (V) VID(V) IO PEAK (mA) Topr (°C) Tstg (°C) PD (mW) (Ta=25°C) NOTE Supply Voltage +7.0 Input Voltage -0.3 ∼ VDD+0.3 Output Current (Peak) 600 Operating Temperature Range -40 ∼ +85 Storage Temperature Range -50 ∼ +150 Power Dissipation 400 s RECOMMENDED OPERATING CONDITIONS VDD=2.4V∼5.5V s ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL CONDITION Operating Current Input Offset Voltage Input Common Mode Voltage Range Maximum Output Voltage Range Lock Protect Operating Voltage Lock...