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MB3775(1994) Просмотр технического описания (PDF) - Fujitsu
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Компоненты Описание
Список матч
MB3775
(Rev.:1994)
Switching Regulator Controller
Fujitsu
MB3775 Datasheet PDF : 29 Pages
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MB3817
(Continued)
Parameter
Symbol
Pin
no.
Condition
Error amp.
section (Error
Amp.)
Dead time
control section
(DTC)
Input offset voltage
Input offset current
Input bias current
Common mode input
voltage range
Common mode
rejection ratio
Voltage gain
Frequency
bandwidth
Maximum output
voltage width
Output sink current
Output source
current
Threshold voltage
V
IO
I
IO
I
I
V
CM
CMRR
A
V
BW
V
OM+
V
OM–
I
O+
I
O–
V
T0
V
T100
ON duty cycle
Dtr
Input current
PWM
comparator
section (PWM
Comp.)
Threshold voltage
Input sink current
Input source current
Output sink current
Output section
(OUT)
Output source
current
Standby leakage
current
Control section
Input on condition
(CTL)
Input off condition
Input current
Standby current
Power supply current
I
DTC
V
T0
V
T100
I
I+
I
I–
I
O+
I
O–
I
LO
V
ON
V
OFF
I
I
I
CCS
I
CC
3, 4 V
FB
= 1.2 V
3, 4 V
FB
= 1.2 V
3, 4 V
FB
= 1.2 V
3, 4
—
5 DC
5 DC
5 A
V
= 0 dB
5
—
5
—
5 V
FB
= 1.2 V
5 V
FB
= 1.2 V
10 Duty cycle = 0 %
10 Duty cycle = 100 %
V
DTC
= V
REF
×
0.88
10 C
T
= 330 pF,
R
T
= 6.2 k
Ω
6 V
DTC
= 0 V
10 Duty cycle = 0 %
10 Duty cycle = 100 %
5
—
5
—
10 R
E
= 15 k
Ω
10 Duty 5 %
10
V
CC
= 18 V,
V
O
= 18 V
11
—
11
—
15 V
CTL
= 5 V
9 V
CTL
= 0 V
9 Output “H”
* : Standard design value.
Min.
—
—
–200
0
60
60
—
1.8
—
60
—
0.9
—
70
–500
0.9
—
60
—
18
—
—
2.1
0
—
—
—
(V
CC
= 6 V, Ta = +25
°
C)
Value
Typ.
Unit
Max.
—
10 mV
—
100 nA
–100
— nA
— V
CC
– 0.9 V
100
100
800*
2.0
50
120
–2.0
1.0
1.4
— dB
— dB
— kHz
—
V
500 mV
—
µ
A
–0.6 mA
—
V
1.5 V
80
90 %
–250
1.0
1.4
120
–2.0
30
–100
— nA
—
V
1.5 V
—
µ
A
–0.6 mA
42 mA
–50 mA
—
10
µ
A
—
18
V
—
0.7 V
100
200
µ
A
—
10
µ
A
2.7
4.0 mA
7
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