MB3874 Просмотр технического описания (PDF) - Fujitsu
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MB3874 Datasheet PDF : 28 Pages
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MB3874/MB3876
s ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Conditions
Rating
Unit
Min.
Max.
Power supply voltage
VCC
—
—
28
V
Output terminal current
Peak output current
IOUT
—
—
IOUT Duty ≤ 5% (t =1 / fOSC × Duty)
—
60
mA
500
mA
OUTM terminal output voltage
Power dissipation
Storage temperature
VOUTM
PD
Tstg
—
Ta ≤ +25°C
—
—
17
V
—
740*
mW
–55
+125
°C
*: The package is mounted on the dual-sided epoxy board (10 cm × 10 cm).
WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current,
temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings.
s RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Conditions
Value
Unit
Min. Typ.
Max.
Power supply voltage
VCC
—
7
—
25
V
Reference voltage output
current
IREF
—
–1
—
0
mA
VH pin output current
Input voltage
CTL pin input voltage
Output current
Peak output current
OUTM pin output voltage
OUTM pin output current
Oscillator frequency
Timing resistor
Soft-start capacitor
VH pin capacitor
Reference voltage output
capacitor
IVH
V-INC
VINE
V+INC
VCTL
IOUT
IOUT
VOUTM
IOUTM
fOSC
RT
CS
CVH
—
–INC1, –INC2
–INE1 to –INE5, +INE2
+INC1, +INC2
—
OUT pin
Duty ≤ 5% (t =1 / fOSC × Duty)
—
—
—
—
—
—
CREF
—
0
0
0
0
0
–45
–450
—
—
100
33
—
—
—
—
30
mA
—
17
V
— VCC – 1.8 V
—
VCC
V
—
25
V
—
45
mA
—
450
mA
3
15
V
—
1
mA
290
500
kHz
47
130
kΩ
2200 100000 pF
0.1
1.0
µF
0.1
1.0
µF
Operating ambient temperature Ta
—
–30 +25
+85
°C
WARNING: The recommended operating conditions are required in order to ensure the normal operation of the
semiconductor device. All of the device’s electrical characteristics are warranted when the device is
operated within these ranges.
Always use semiconductor devices within their recommended operating condition ranges. Operation
outside these ranges may adversely affect reliability and could result in device failure.
No warranty is made with respect to uses, operating conditions, or combinations not represented on
the data sheet. Users considering application outside the listed conditions are advised to contact their
FUJITSU representatives beforehand.
6
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