FUJITSU MB3878 - Manual (Page 8)

MB3878
8
(Continued)
(Ta
= +
25
°
C, VCC
=
19 V, VCC (O)
=
19 V, VREF
=
0 mA)
* : Standard design value
Parameter Symbol
Pin
No.
Conditions
Value
Unit
Min Typ Max
Current detection
amplifier block
(Current Amp.1,
Current Amp.2)
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
 −
2.0
−
0.6 mA
Output sink
current
I
SINK
2, 10 OUTC1
=
OUTC2
=
2 V 150 300
 µ
A
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
Output block
(OUT)
Output source
current
I
SOURCE
20
OUT
=
11 V, Duty
≤
5
%
(t
=
1
/
f
OSC
×
Duty)
 −
200*

mA
Output sink
current
I
SINK
20
OUT
=
16 V, Duty
≤
5
%
(t
=
1
/
f
OSC
×
Duty)

200*

mA
Output ON
resistor
R
OH
20 OUT
= −
45 mA

8.0 12.0
Ω
R
OL
20 OUT
=
45 mA

6.5 9.7
Ω
Rise time tr1 20
OUT
=
3300 pF
(equivalent to Si4435
×
1)

70*

ns
Fall time tf1 20
OUT
=
3300 pF
(equivalent to Si4435
×
1)

60*

ns
Control block
(CTL)
CTL input voltage
V
ON
14 Active mode 2

25 V
V
OFF
14 Standby mode 0

0.8 V
Input current
I
CTLH
14 CTL
=
5 V

100 200
µ
A
I
CTLL
14 CTL
=
0 V

0 1
µ
A
Bias voltage
block (VH)
Output voltage VH 19
VCC
=
VCC (O)
=
7 V to 25 V,
VH
=
0 to 30 mA
V
CC
−
5.5
V
CC
−
5.0
V
CC
−
4.5
V
General
Standby current I
CCS
18,
19
VCC
=
VCC (O) ,
CTL
=
0 V

0 10
µ
A
Power supply
current
I
CC
18,
19
VCC
=
VCC (O) ,
CTL
=
5 V

8.0 12.0 mA