Single-phase DC Brushless Motor Driver IC
NJU7348
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Single-phase DC Brushless Motor Driver IC
♦ PACKAGE OUTLINE ♦ GENERAL DESCRIPTION The NJU73...
Description
NJU7348
www.DataSheet4U.com
Single-phase DC Brushless Motor Driver IC
♦ PACKAGE OUTLINE ♦ GENERAL DESCRIPTION The NJU7348 is single-phase DC brushless motor driver IC. It features MOS-FET driver circuit for better output characteristics. The driver includes PWM_IN INPUT for Rotation Speed Control. Maximum output current is 1000mA and Continuance output current is 500mA. It is suitable for variable speed FAN required Low Noise & Good Efficiency characteristics. NJU7348R ♦ FEATURES Speed Control with PWM Signal Input Operating Voltage 2.2 to 5.5V Internal Lock Detect / Auto Release Circuit FG Output Thermal Shutdown Circuit Low Operating Current IDD=2mA Low Saturation Output Voltage Vsat= ±0.25V @Io=±500mA CMOS Technology Package Outline VSP10 ♦BLOCK DIAGLAM ♦PIN FUNCTION 1: Ct 2: FG 3: VDD 4: OUT B 5: PWM_IN 6: Vss 7: OUT A 8: VDD 9: IN10: IN+
(Note) All VDD pins should be connected the power
supply and the ground respectively. Otherwise, the electrical characteristic may not satisfy specifications
1
LD
10 9 8 7
TS
2 3 4 5
6
TSD
-1Ver.1.0
NJU7348
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♦ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Input Voltage Output Current (Continuance) Output Current (Peak) Operating Temperature Range Storage Temperature Range Power Dissipation
RATINGS +7.0 -0.3 ∼ VDD+0.3 500 1000 -40 ∼ +85 -50 ∼ +150 400
SYMBOL (unit) VDD (V) VID(V) IO (mA) IO PEAK (mA) Topr (°C) Tstg (°C) PD (mW)
(Ta=25°C) NOTE
Device itself
♦ RECOMMENDED OPERATING CONDI...
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