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| 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=2.4V5.5V (Ta=25C) 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=10k 2pin=5V, 3pin=0V,RP=10k MIN. 2.4 -15 0.44.0 4.55 22.0 TYP. 5.0 3.0 4.65 0.35 27.5 (V+=5V, Ta=25C) MAX. 5.5 4.0 -15 0.45 33.0 1.0 0.3 UNIT V mA mV V VOM V k A V - 2- NJU7328 APPLICATION M VDD 1 2 3 4 VSS A -+ B +- 8 7 6 5 Hall Sensor The specifications on this data book are only given for information, without any guarantee as regards either mistakes or omissions. The application circuit in this data book are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. - 3- |
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