FUJITSU MB39A104 - Manual (Page 6)

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 µA
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 kΩ 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 µA
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