NJM3777 查看數據表（PDF） - Japan Radio Corporation
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NJM3777 Datasheet PDF : 10 Pages
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NJM3777
s ELECTRICAL CHARACTERISTICS
Electrical characteristics over recommended operating conditions, unless otherwise noted. - 20°C ≤ Tj ≤ + 125°C.
Parameter
Symbol
Conditions
Min
Typ Max Unit
General
Supply current
Supply current
Total power dissipation
I
Note 4.
-
CC
I
Dis = Dis = HIGH.
-
CC
1
2
PD
VMM= 24 V, IM1= IM2= 650 mA.
-
Notes 2, 3, 4.
Total power dissipation
PD
VMM= 24 V, IM1= 800 mA, IM2= 0 mA.
-
Notes 2, 3, 4.
Thermal shutdown junction temperature
-
Turn-off delay
t
d
dV /dt
C
≥
50
mV/µs,
-
IM = 100 mA. Note 3.
85
99
mA
7
10
mA
2.9
3.4
W
2.3
2.7
W
160
-
°C
1.1
2.0
µs
Logic Inputs
Logic HIGH input voltage
Logic LOW input voltage
Logic HIGH input current
Logic LOW input current
VIH
VIL
IIH
VI = 2.4 V
I
V = 0.4 V
IL
I
2.0
-
-
V
-
-
0.6
V
-
-
20
µA
-0.2
-0.1
-
mA
Analog Inputs
Threshold voltage
Input current
|VC1—VC2| mismatch
VCH
IA
VCdiff
VR= 5 V
VR= 5 V
480
500 520
mV
-
500
-
µA
-
5
20
mV
Motor Outputs
Lower transistor saturation voltage
Lower transistor leakage current
Lower diode forward voltage drop
Upper transistor saturation voltage
Upper transistor leakage current
Upper diode forward voltage drop
I = 500 mA
M
VMM=41 V,Dis1= Dis2= HIGH.
IM = 500 mA
IM = 500 mA.
VMM=41 V, Dis1= Dis2= HIGH.
IM = 500 mA.
-
0.5
0.8
V
-
-
50
µA
-
1.2
1.3
V
-
1.4
1.6
V
-
-
50
µA
-
1.3
1.5
V
Chopper Oscillator
Chopping frequency
Digital filter blanking time
fs
CT = 4 700 pF, RT = 12 kohm
tb
CT = 4 700 pF. Note 3.
21.5
23.0 24.5
kHz
-
1.0
-
µs
s THERMAL CHARACTERISTICS
Parameter
Thermal resistance
Symbol
Rth
J-GND
RthJ-A
Note 2.
Conditions
Min Typ
-
13
-
42
Notes
1. All voltages are with respect to ground. Currents are positive into, negative out of specified terminal.
2. All ground pins soldered onto a 20 cm2 PCB copper area with free air convection, TA = + 25° C.
3. Not covered by final test program.
4. Switching duty cycle D = 30 %, fs = 23.0 kHz.
Max Unit
- °C/W
- °C/W
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