njw4303 New Japan Radio Co.,Ltd, njw4303 Datasheet - Page 6

• Manufacturer Part Number: njw4303
• Description: Pwm 3-phase Dc Brushless Motor Controller
• Manufacturer: New Japan Radio Co.,Ltd

NJW4303
V
V
Sense voltage
Input bias current
PWM0% sense voltage
PWM100% sense voltage
Input bias current
Saw wave peak voltage
Saw wave bottom voltage
OSC charge current
OSC discharge current
Oscillation frequency
High level voltage
Low level voltage
FRC charge current
FRC discharge current
FRC dead band time1
FRC dead band time2
Input High level current
Input low level current
Pull-down resistance
Hall Input Sensitivity
Hall Input voltage range
High level voltage
Low level voltage
Input voltage range
CC
VERR
- 6 -
ELECTRICAL CHARACTERISTICS
PIN OPERATIONAL CONDITIONS
OVER CURRENT SENSOR BLOCK (ILIMIT PIN)
ERROR AMP BLOCK (VERR PIN)
OSCILLATOR BLOCK (OSC PIN)
FR DEAD TIME BLOC (FRC PIN)
CONTOROL INPUT BLOCK (FR, BR, DEC, N1, N2, S/S PIN)
HALLAMP INPUT (H1+, H1-, H2+, H2-, H3+, H3- PIN)
CONTOROL INPUT (FR, BR, DEC, N1, N2, S/S PIN)
VERR INPUT (VERR PIN)
=24V, V
=4.5V, V
PARAMETER
PARAMETER
IH1+
OSC
= V
=4.5V→0.5V, C
IH3+
=3.0V, V
IH1-
= V
VREF
IH2-
=1uF, Ta=25°C
V
V
SYMBOL
SYMBOL
I
V
I
= V
PWM1VERR
PWM2VERR
I
DCHGOSC
V
I
DCHGFRC
V
V
CHGOSC
CHGFRC
I
V
t
t
∆V
V
V
ICMVERR
BVERR
DFRC1
DFRC2
I
V
DETLIM
f
V
R
I
BILM
POSC
BOSC
OSC
I
HFRC
LFRC
ICMIH
HIN
LIN
HIN
LIN
IH3-
IN
MIH
=2.0V, V
PWMDUTY=0%
PWMDUTY=100%
C
C
C
V
V
Peak to peak
FRC
IN
IN
OSC
FRC
IH2+
=4.5V,per each input
=0V,per each input
=1uF
=1uF
=1000pF
TEST CONDITION
TEST CONDITION
=1.0V, V
IN
= V
LIM
= V
CT
=0V,
0.225
MIN.
MIN.
1.00
3.15
2.7
0.9
3.6
0.1
30
16
25
1
8
0
2
0
0
-
-
-
-
-
-
-
-
0.250
TYP.
TYP.
1.35
140
100
110
1.6
1.6
3.0
3.5
1.0
50
26
18
40
28
2
-
-
-
-
-
-
-
-
MAX.
0.275
MAX.
1.60
3.85
5.0
0.5
5.0
3.3
1.2
3.5
0.8
4.5
70
36
28
60
3
1
5
-
-
-
-
-
-
UNIT
UNIT
kHz
mA
ms
ms
uA
uA
uA
uA
uA
uA
uA
kΩ
V
V
V
V
V
V
V
V
V
V
V
V