NJU7328

www.DataSheet4U.com NJU7328 Single-phase DC Brushless Motor Driver IC ♦GENERAL DESCRIPTION The NJU7328 is a single-phase DC brushless motor driver IC for small fan-motor application. 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 NJU7328 also includes. Frequency generator (FG) output for various control needs. ♦ PACKAGE OUTLINE NJU7328RB1 ♦ FEATURES Single Supply Operating Voltage VDD =2.4 ∼ 5.5V Low Operating Current Low Saturation Output Voltage Vsat=±0.35V @Io= ±250mA C-MOS Technology FG Output Package Outline TVSP8 ♦ PIN CONFIGURATIONS PIN FUNCTION 1 2 3 4 A – + B – + 8 7 6 5 1: A OUTPUT 2: Reverse INPUT 3: Non-Reverse INPUT 4: Vss 5: FG 6: NC 7: B OUTPUT 8: VDD - 1- NJU7328 ♦ ABUSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Input Voltage Operating Temperature Range Storage Temperature Range Power Dissipation VDD=2.4V∼5.5V (Ta=25°C) RATINGS +7.0 -0.3 ∼ VDD +0.3 -40 ∼ +85 -50 ∼ +150 400 SYNBOL(unit) VDD (V) VID (V) Topr (°C) Tstg (°C) PD (mW) NOTE TVSP8 (Single) ♦ RECOMMENDED OPERATING CONDITIONS ♦ ELECTRICAL CHARACTERISTICS PARAMETER Operating Voltage Range Operating Current Input Offset Voltage Input Common Mode Voltage Range Maximum Output Voltage Range Feedback Resistance FG H Leak Current FG L Voltage SYSMBOL VDD IDD VIO VICM CONDITION Io=+250mA Io= -250mA RF FGH FGL 2pin=0V,pin=5V,RP=10kΩ 2pin=5V, 3pin=0V,RP...