Fujitsu MB39A104 User Manual

Page of 36
MB39A104
7
(Continued)
 (VCC 
=
 VCCO 
=
 12 V, VREF 
=
 0 mA, Ta 
=
 
+
25 
°
C)
*: Standard design value.
Parameter
Symbol
Pin No.
Conditions
Value
Unit
Min
Typ
Max
8.Error amplifier bolck
[Error Amp1,
 Error Amp2]
Frequency 
bandwidth
BW
9, 16
A
V
 
=
 0 dB
1.6*
MHz
Output voltage
V
OH
9, 16
4.7
4.9
V
V
OL
9, 16
40
200
mV
Output source 
current
I
SOURCE
9, 16
FB1 
=
 FB2 
=
 2 V
2
1
mA
Output sink current
I
SINK
9, 16
FB1 
=
 FB2 
=
 2 V
150
200
µ
A
9.PWM comparator
 block
[PWM Comp.1,
PWM Comp.2]
Threshold voltage
V
T0
6, 19
Duty cycle 
=
 0 
%
1.4
1.5
V
V
T100
6, 19
Duty cycle 
=
 Dtr
2.5
2.6
V
Input current
I
DTC
6, 19
DTC1 
=
 DTC2 
=
 0.4 V
2.0
0.6
µ
A
10.Overcurrent
protection circuit
 block
[OCP1, OCP2]
ILIM terminal input 
current
I
LIM
5, 20
RT 
=
 24 k
Ω
, CT 
=
 100 pF
99
110
121
µ
A
Offset voltage
V
IO
5, 20
1 *
mV
11.Bias
voltage
block
[VH]
Output voltage
V
H
2
VCC 
=
 VCCO 
=
 7 V to 19 V
VH 
=
 0 mA to 30 mA
V
CC
5.5
V
CC
5.0
V
CC
4.5
V
12.Output block
[Drive1, Drive2]
Output source 
current
I
SOURCE
3, 22
OUT1 to OUT4 
=
 7 V,
Duty 
 5 
%
 (t 
=
 1/f
OSC
×
Duty) 
300
mA
Output sink current
I
SINK
3, 22
OUT1 to OUT4 
=
 12 V,
Duty 
 5 
%
 (t 
=
 1/f
OSC
×
Duty) 
350
mA
Output ON 
resistor
R
OH
3, 22
OUT1 
=
 OUT2 
=
 
45 mA
8.0
12.0
Ω
R
OL
3, 22
OUT1 
=
 OUT2 
=
 45 mA
6.5
9.7
Ω
13.Control block 
[CTL]
CTL input voltage
V
IH
24
IC Active mode
2
19
V
V
IL
24
IC Standby mode
0
0.8
V
Input current
I
CTLH
24
CTL 
=
 5 V
50
100
µ
A
I
CTLL
24
CTL 
=
 0 V
1
µ
A
14.General
Standby current
I
CCS
1, 17
CTL 
=
 0 V
0
10
µ
A
Power supply 
current
I
CC
1, 17
CTL 
=
 5 V
4.0
6.0
mA