NJU7333 データシートの表示（PDF） - Japan Radio Corporation

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NJU7333

Single-phaseDC Brushless Motor Driver IC

Japan Radio Corporation  

NJU7333

Single-phaseDC Brushless Motor Driver IC

s GENERAL DESCRIPTION

s 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

s FEATURES

• Operating Voltage VDD=2.4 ∼ 5.5V

• FG Output

• Internal Lock Detect / Auto Recovery Circuit

• Internal Thermal Shutdown Circuit

• Low Operating Current IDD=3mA (Typ.)

• Low Saturation Output Voltage

Vsat=±0.35V @Io=±500mA

• C-MOS Technology

• Package Outline VSP10

s BLOCK DIAGLAM

s 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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