MB3800
(Continued)
Parameter
Symbol
V
OH1
V
OH2
Output voltage
Output section
Output source current
Output sink current
Pull down resistance
Pin voltage
Output current
setting section/
Control section
Input off condition
Input on condition
Pin current range
Stand-by current
Entire device
Average supply
current
V
OL1
V
OL2
I
O+
I
O–
R
O
V
BR
I
OFF
I
ON
I
BR
I
CCS
I
CC
BR/CTL pin open or V
CC
R
B
= 390
Ω
—
R
B
= 390
Ω
Condition
R
B
= 390
Ω,
I
O
= –15 mA
R
B
= 750
Ω,
V
CC
= 1.8 V
I
O
= –10 mA
R
B
= 390
Ω,
I
O
= 15 mA
R
B
= 750
Ω,
V
CC
= 1.8 V
I
O
= 10 mA
R
B
= 390
Ω,
V
O
= 0.9 V
R
B
= 390
Ω,
V
O
= 0.3 V
—
Value
Min
1.0
0.8
—
—
—
30
20
0.2
–20
—
–1.8
—
—
Typ
1.2
1.0
0.1
0.1
–30
60
30
0.3
—
—
—
—
5.5
Max
—
—
0.2
0.2
–20
—
40
0.4
0
–45
–0.1
1
9.3
Unit
V
V
V
V
mA
mA
kΩ
V
µA
µA
mA
µA
mA
■
DIAGRAM
FB pin voltage
Reference input for short circuit
detection comparator
Idle period setting voltage
Sawtooth wave output
Soft start setting voltage
OUT pin waveforms
SCP pin waveforms
t
PE
Output
short
circuit
Output short circuit
Soft start
t
S
ON
Power supply control SW
OFF
Short circuit
detection
6
FUJITSU [ FUJITSU COMPONENT LIMITED. ]
