Fujitsu MB39A104, Datasheet

Page: 6 / 40

MB39A104
6
■
ELECTRICAL CHARACTERISTICS
(VCC
=
VCCO
=
12 V, VREF
=
0 mA, Ta
= +
25
°
C)
(Continued)
Parameter
Symbol
Pin No Conditions
Value
Unit
Min Typ Max
1.
Ref
e
re
n
c
e
voltage
blo
c
k
[R
EF]
Output voltage V
REF
17 Ta
= +
25
°
C 4.95 5.00 5.05 V
Output voltage
temperature
variation
∆
V
REF
/
V
REF
17 Ta
=
0
°
C to
+
85
°
C
⎯
0.5*
⎯ %
Input stability Line 17 VCC
=
7 V to 19 V
⎯
3 10 mV
Load stability Load 17 VREF
=
0 mA to
−
1 mA
⎯
1 10 mV
Short-circuit
output current
I
OS
17 VREF
=
1 V
−
50
−
25
−
12 mA
2.
Und
e
r
voltage lockout
p
rot
ect
ion
cir
c
u
it
block [UVLO
]
Threshold
voltage
V
TLH
17 VREF
=
2.6 2.8 3.0 V
V
THL
17 VREF
=
2.4 2.6 2.8 V
Hysteresis
width
V
H
17
⎯ ⎯
0.2*
⎯
V
3
.Sh
or
t-
circuit
d
e
te
ctio
n blo
c
k
[SCP Lo
gic
]
Threshold
voltage
V
TH
8
⎯
0.68 0.73 0.78 V
Input source
current
I
CSCP
8
⎯ −
1.4
−
1.0
−
0.6
µ
A
Reset voltage V
RST
17 VREF
=
2.4 2.6 2.8 V
4.
Sh
or
t-c
ircu
it
de
te
ctio
n block
[SCP Comp.]
Threshold
voltage
V
TH
8
⎯
2.8 3.1 3.4 V
5.
T
ria
ng
ula
r
wave osc
illator
blo
c
k
[OSC]
Oscillation
frequency
f
OSC
13 C
T
=
100 pF, R
T
=
24 k
Ω
450 500 550 kHz
Frequency
temperature
variation
∆
f
OSC
/
f
OSC
13 Ta
=
0
°
C to
+
85
°
C
⎯
1*
⎯ %
6
.So
ft-
st
ar
t
blo
c
k
[CS
1
, CS2
]
Charge current I
CS
11, 14 CS1
=
CS2
=
0 V
−
14
−
10
−
6
µ
A
7.Error amplifier
blo
c
k
[Er
ro
r Am
p1
,
Er
ro
r
Am
p2
]
Threshold
voltage
V
TH
9, 16 FB1
=
FB2
=
2 V 1.227 1.240 1.253 V
Input bias
current
I
B
10, 15
−
INE1
= −
INE2
=
0 V
−
120
−
30
⎯
nA
Voltage gain A
V
9, 16 DC
⎯
100*
⎯
dB