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PDF NJU7367B Data sheet ( Hoja de datos )
| Número de pieza | NJU7367B | |
| Descripción | Single-phase DC Brushless Motor Driver IC | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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NJU7367B
Single-phase DC Brushless Motor Driver IC
■FEATURES
■GENERAL DESCRIPTION
●Supply Voltage
●Low Quiescent Current
●Output Voltage
●Input Offset Voltage
●Closed-loop Gain
●Direct PWM Input
VDD=2.0 to 5.5V
IDD=1.0mA typ.
VOH=4.8V typ. (Io=+350mA)
VOL=0.2V typ. (Io=-350mA)
VIO=±10mV max.
AV=49.8dB typ.
The NJU7367B is a single-phase motor driver IC for
small DC brushless motor.
It features Lock Protection, FG Output, Start up Assist,
Quick Start and Thermal Shutdown function.
The motor rotational speed is controlled by PWM input
signal.
High closed-loop gain and wide operating temperature
●Lock Protection Function (Auto Recovery)
range make NJU7367B suitable for a small fan motor in
●FG Output
high temperature application such as car accessory.
●Start up Assist Function
●Quick Start Function
●Thermal Shutdown Function
●Operating Temperature
Topr=-40 to 105°C
●Package Outline
MSOP8-Thin (TVSP8)*
*MEET JEDEC MO-187-DA/THIN TYPE
■APPLICATION
Small 5V-FAN Motor
■TYPICAL APPLICATION
D1
VDD
C1
M
Motor
■BLOCK DIAGRAM
R2
Hall
element
R1
OUTB
GND
VDD
OUTA
NJU7367B
IN+ PWM
IN- FG
OUTB 1
VDD 2
IN+ 3
-
+
PWM
TSD
LockDet
+
-
8 GND
7 OUTA
6 PWM
IN- 4
+
- 5 FG
Ver.1.0
http://www.njr.com/
-1-
1 page  
NJU7367B
■TYPICAL CHARACTERISTICS
IDD vs. VDD
Tj=25ºC
1.2
1
0.8
0.6
0.4
0.2
0
01234567
VDD [V]
0.12
0.1
0.08
0.06
0.04
0.02
0
0
VFG vs. IFG
VDD=5V, Tj=25ºC
2 4 6 8 10
IFG [mA]
1200
1000
800
600
400
200
0
2
VOH(sat) vs. VDD
Io=350mA, Tj=25ºC
3456
VDD [V]
7
1200
1000
800
600
400
200
0
2
VOL(sat) vs. VDD
Io=350mA, Tj=25ºC
3456
VDD [V]
7
1200
1000
800
600
400
200
0
0
VOH(sat) vs. Io
VDD=5V, Tj=25ºC
200 400 600 800 1000
Io [mA]
1200
1000
800
600
400
200
0
0
VOL(sat) vs. Io
VDD=5V, Tj=25ºC
200 400 600 800 1000
Io [mA]
Ver.1.0
http://www.njr.com/
-5-
5 Page 
■RECOMMENDED MOUNTING METHOD
・INFRARED REFLOW SOLDERING METHOD
*reflow soldering procedure
260°C
230°C
220°C
180°C
150°C
NJU7367B
f
e
d
a: Temperature ramping rate
b: Pre-heating temperature
Pre-heating time
c: Temperature ramp rate
d: 220°C or higher time
e: 230°C or higher time
f: Peak temperature
g: Temperature ramping rate
: 1 to 4°C /s
: 150 to 180°C
: 60 to 120s
: 1 to 4°C /s
: Shorter than 60s
: Shorter than 40s
: Lower than 260°C
: 1 to 6°C /s
The temperature indicates at the surface of mold package.
Room Temp.
ab
・INFRARED FLOW SOLDERING METHOD
*flow soldering procedure
260°C
120°C
80°C
Room Temp.
ab
cg
a: Temperature ramping rate
b: Pre-heating temperature
Pre-heating time
: 1 to 7°C/s
: 80 to 120°C
: 60 to 120s
c: Peak temperature
Peak time
: not exceeding 260°C
: within 10s
d: Temperature ramping rate : 1 to 7°C/s
The temperature indicates at the surface of mold package.
cd
Ver.1.0
http://www.njr.com/
- 11 -
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet NJU7367B.PDF ] | |
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