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NJU7326

New Japan Radio
Part Number NJU7326
Manufacturer New Japan Radio
Description Single-phase DC Brushless Motor Driver IC
Published Jan 21, 2007
Detailed Description www.DataSheet4U.com NJU7326 Single-phase DC Brushless Motor Driver IC ■ GENERAL DESCRIPTION The NJU7326 is a single-pha...
Datasheet PDF File NJU7326 PDF File

NJU7326
NJU7326

Overview
www.
DataSheet4U.
com NJU7326 Single-phase DC Brushless Motor Driver IC ■ GENERAL DESCRIPTION The NJU7326 is a single-phase DC brushless motor driver IC.
■ PACKAGE OUTLINE It features MOS-FET output for better saturation characteristics.
Slew rate of amplifiers and feedback resistors are optimized to achieve low-noise motor operation.
It is suitable for small fan-motor applications.
NJU7326R/RB1 ■ FEATURES z Single Supply z Operating Voltage VDD=2.
4 to 5.
5V z Low Operating Current z Low Saturation Output Voltage Vsat=±0.
35V @Io=±250mA z C-MOS Technology z Package VSP8, TVSP8 ■ BLOCK DIAGRAM 1 : A OUTPUT 2 : Reverse INPUT 3 : Non-Reverse INPUT 4 : VSS 5 : RH 6 : NC 7 : B OUTPUT 8 : VDD 1 RF RF 8 A – + B + – 2 3 4 7 6 5 RH -1- NJU7326 ■ ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Input Voltage Storage Temperature Range RATINGS +7.
0 -0.
3 to VDD+0.
3 -55 to +150 -40 to +85 400 SYMBOL (unit) VDD (V) Vid (V) Tstg (°C) Topr (°C) PD (mW) (Ta=25°C) NOTE Operating Temperature Range Power Dissipation VSP8/TVSP (Single) ■ RECOMMENDED OPERATING CONDITION VDD = 2.
4V to 5.
5V ■ ELECTRICAL CHARACTERISTICS PARAMETER SYMB OL IDD VIO VICM VOM+ VOMRF RH Io=+250mA Io=-250mA CONDITION No Load Condition Follower Vo=2.
5V : 1 circuit : (Ta=25°C, VDD=5V) MIN.
Voltage -15 0.
4~4.
0 4.
55 22.
0 240 3.
0 4.
65 0.
35 27.
5 300 4.
0 +15 0.
45 33.
0 360 mA mV V V Ω Ω TYP.
MAX UNIT Operating Current Input Offset Voltage Input Common Mode Voltage Range Maximum Output Voltage Range Feedback Resistance Hall Bias Resistance -2- NJU7326 ■ TYPICAL APPLICATION VDD 1 RF HALL BIAS RESISTOR 8 RF 2 3 4 A – + B + – 7 6 5 Di Di HALL SENSOR RH S N S N MOTOR AMATEUR Di Di MOTOR STATER Diodes shown in the picture indicate external re-circulating diodes.
Place re-circulating diodes at output terminals depending on the inductive load.
[CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions.
T...


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