NJU7327

www.DataSheet4U.com NJU7327 Single-phase DC Brushless Motor Driver IC I GENERAL DESCRIPTION I PACKAGE OUTLINE The NJU7327 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 NJU7327 also includes frequency generator (FG) output for various control needs. NJU7327R I FEATURES Operating Voltage VDD=3.5 ∼ 15V FG Output Internal Lock Detect Low Operating Current Low Saturation Output Voltage Vsat=±0.35V @Io=±200mA C-MOS Technology Package Outline VSP10 I BLOCK DIAGLAM I PIN FUNCTION 1: LD 2: FG 3: VSS 4: OUT B 5: VDD 6: VDD 7: OUT A 8: VSS 9: IN10: IN+ 1 LOCK DETECT 10 2 FG +- 9 3 8 4 AMP B INT AMP A 7 5 6 -1- NJU7327 I ABSOLUTE MAXIMUM RATINGS PARAMETER RATINGS SYMBOL (unit) VDD (V) VID(V) Topr (°C) Tstg (°C) PD (mW) (Ta=25°C) NOTE Supply Voltage +18 Input Voltage -0.3 ∼ VDD+0.3 Operating Temperature Range -40 ∼ +85 Storage Temperature Range -50 ∼ +150 Power Dissipation 400 I RECOMMENDED OPERATING CONDITIONS VDD=3.5V∼15.0V I ELECTRICAL CHARACTERISTICS PARAMETER SYSMBOL CONDITION Operating Current Input Offset Voltage Input Common Mode Voltage Range Maximum Output Voltage Range Slew Rate Lock Detect Charge Current Lock Detect Discharge Current Clamp Voltage Detect Voltage Thermal Shutdown Temperature FG H Leak Current FG L Voltag...