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MB3817 Datasheet(PDF) 7 Page - Fujitsu Component Limited.

Part # MB3817
Description  Switching Regulator Controller
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Manufacturer  FUJITSU [Fujitsu Component Limited.]
Direct Link  http://edevice.fujitsu.com/fmd/en/index.html
Logo FUJITSU - Fujitsu Component Limited.

MB3817 Datasheet(HTML) 7 Page - Fujitsu Component Limited.

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7
MB3817
(Continued)
(VCC = 6 V, Ta = +25
°C)
* : Standard design value.
Parameter
Symbol
Pin
no.
Condition
Value
Unit
Min.
Typ.
Max.
Error amp.
section (Error
Amp.)
Input offset voltage
VIO
3, 4 VFB = 1.2 V
10
mV
Input offset current
IIO
3, 4 VFB = 1.2 V
100
nA
Input bias current
II
3, 4 VFB = 1.2 V
–200
–100
nA
Common mode input
voltage range
VCM
3, 4
0
VCC – 0.9
V
Common mode
rejection ratio
CMRR
5
DC
60
100
dB
Voltage gain
AV
5
DC
60
100
dB
Frequency
bandwidth
BW
5
AV = 0 dB
800*
kHz
Maximum output
voltage width
VOM+
5—
1.8
2.0
V
VOM–
5
50
500
mV
Output sink current
IO+
5VFB = 1.2 V
60
120
µA
Output source
current
IO–
5VFB = 1.2 V
–2.0
–0.6
mA
Dead time
control section
(DTC)
Threshold voltage
VT0
10
Duty cycle = 0 %
0.9
1.0
V
VT100
10
Duty cycle = 100 %
1.4
1.5
V
ON duty cycle
Dtr
10
VDTC = VREF
× 0.88
CT = 330 pF,
RT = 6.2 k
70
80
90
%
Input current
IDTC
6VDTC = 0 V
–500
–250
nA
PWM
comparator
section (PWM
Comp.)
Threshold voltage
VT0
10
Duty cycle = 0 %
0.9
1.0
V
VT100
10
Duty cycle = 100 %
1.4
1.5
V
Input sink current
II+
5
60
120
µA
Input source current
II–
5
–2.0
–0.6
mA
Output section
(OUT)
Output sink current
IO+
10
RE = 15 k
18
30
42
mA
Output source
current
IO–
10
Duty
5 %
–100
–50
mA
Standby leakage
current
ILO
10
VCC = 18 V,
VO = 18 V
——
10
µA
Control section
(CTL)
Input on condition
VON
11
2.1
18
V
Input off condition
VOFF
11
0
0.7
V
Input current
II
15
VCTL = 5 V
100
200
µA
Standby current
ICCS
9VCTL = 0 V
10
µA
Power supply current
ICC
9
Output “H”
2.7
4.0
mA


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