NJU7333
Single-phaseDC Brushless Motor Driver IC
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GENERAL DESCRIPTION
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PACKAGE OUTLINE
The NJU7333 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. Maximum output current is 500mA. The
NJU7333 includes. frequency generator (FG) output, lock
detect (with auto recovery circuit) ,and a thermal shutdown
circuit .
NJU7333R
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FEATURES
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Operating Voltage V
DD
=2.4
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5.5V
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FG Output
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Internal Lock Detect / Auto Recovery Circuit
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Internal Thermal Shutdown Circuit
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Low Operating Current I
DD
=3mA (Typ.)
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Low Saturation Output Voltage
Vsat=鹵0.35V @Io=鹵500mA
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C-MOS Technology
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Package Outline
VSP10
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BLOCK DIAGLAM
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PIN FUNCTION
1:Ct
2: FG
3: Vdd
4: OUT B
5: Vss
6: Vss
7: OUT A
8: Vdd
9: IN-
10: IN+
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