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JRC - (NJU7343 - NJU7345) FAN Motor / VSP10

Numéro de référence NJU7345
Description (NJU7343 - NJU7345) FAN Motor / VSP10
Fabricant JRC 
Logo JRC 





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NJU7345 fiche technique
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NJU7343/44/45
Single-phase DC Brushless Motor Driver IC
s GENERAL DESCRIPTION
s PACKAGE OUTLINE
The NJU7343/ 44/ 45 are single-phase DC brushless
motor driver IC. That features MOS-FET driver circuit for
better output characteristics.
The drivers includes Lock Detect and Thermal Shutdown
Circuit. Each of the drivers includes FG output (NJU7343),
Half FG output (NJU7344), and RD output (NJU7345).
Maximum output current is 500mA and Input offset voltage
is ±7mV.
It is suitable for 5V high current small fan-motor
NJU7343R/44R/45R
applications.
s FEATURES
Operating Voltage
2.2 to 5.5V
Lock Detect / Auto Release
Control Output Terminal
NJU7343:FG(Frequency Generator)
NJU7344:Half FG
NJU7345:RD(Rotation Detect)
Thermal Shutdown Circuit
Low Operating Current
Low Saturation Output Voltage
Vsat= ±0.25V @Io=±500mA
Input offset voltage ±5mV
CMOS Technology
Package Outline
VSP10
s BLOCK DIAGLAM
s PIN FUNCTION
1
LD
2
3
4
5
TSD
NJU7343(FG), NJU7344(Half FG)
NJU7345(RD)
1: Ct
2: FG(NJU7343),Half FG(NJU7344),
10 RD(NJU7345)
3: VDD
4: OUT B
9 5: Vss
6: Vss
7: OUT A
8 8: VDD
9: IN-
7 10: IN+
(Note)
6 All VDD and VSS pins should be connected the
power supply and the ground respectively.
Otherwise, the electrical characteristic may not
satisfy specifications
-1-
Ver.5.2

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