Mb3887 – FUJITSU MB3887 User Manual
Page 10
MB3887
10
(Ta
=
+
25
°
C, VCC
=
19 V, VCC (O)
=
19 V, VREF
=
0 mA)
* : Standard design value
(Continued)
Parameter
Sym-
bol
Pin
No.
Conditions
Value
Unit
Min
Typ
Max
6.
Current
detection
amplifier block
[Current Amp1,
Current Amp2]
Current detection
voltage
V
OUTC1
2, 10
+
INC1
=
+
INC2
=
3 V to VCC,
∆
Vin
=
−
100 mV
1.9
2.0
2.1
V
V
OUTC2
2, 10
+
INC1
=
+
INC2
=
3 V to VCC,
∆
Vin
=
−
20 mV
0.34
0.40
0.46
V
V
OUTC3
2, 10
+
INC1
=
+
INC2
=
0 V to 3 V,
∆
Vin
=
−
100 mV
1.8
2.0
2.2
V
V
OUTC4
2, 10
+
INC1
=
+
INC2
=
0 V to 3 V,
∆
Vin
=
−
20 mV
0.2
0.4
0.6
V
In-phase input
voltage range
V
CM
1,
12,
13,
24
0
V
CC
V
Voltage gain
A
V
2, 10
+
INC1
=
+
INC2
=
3 V to VCC,
∆
Vin
=
−
100 mV
19
20
21
V/V
Frequency
bandwidth
BW
2, 10 AV
=
0 dB
2*
MHz
Output voltage
V
OUTCH
2, 10
4.7
4.9
V
V
OUTCL
2, 10
20
200
mV
Output source
current
I
SOURCE
2, 10 OUTC1
=
OUTC2
=
2 V
−
2
−
1
mA
Output sink cur-
rent
I
SINK
2, 10 OUTC1
=
OUTC2
=
2 V
150
300
µ
A
7.
PWM
comparator
block
[PWM Comp.]
Threshold voltage
V
TL
5, 7,
15
Duty cycle
=
0
%
1.4
1.5
V
V
TH
5, 7,
15
Duty cycle
=
100
%
2.5
2.6
V