MB3817_03 Datasheet, PDF (5/28 Pages) Fujitsu Component Limited. – Switching Regulator Controller

MB3817
s ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Symbol
Condition
Unit
Min
Max
Power supply voltage
VCC


20
V
Power dissipation
PD
Ta ≤ +25 °C

440*
mW
Storage temperature
Tstg

−55
+125
°C
* : The package is mounted on the 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
Condition
Value
Unit
Min
Typ
Max
Power supply voltage
VCC

2.5
6.0
18
V
Reference voltage output
current
IOR

−1

0
mA
Error amp. input voltage
VIN

0

VCC − 0.9 V
Control input voltage
VCTL

0

18
V
Output current
IO

3

30
mA
Timing capacitance
CT

150

1500
pF
Timing resistance
RT

5.1

100
kΩ
Oscillation frequency
fOSC

10
200
500
kHz
Soft start capacitance
CS


0.1
1.0
µF
Short detection capacitance
CSCP


0.1
1.0
µF
Boot capacitance
CB



0.1
µF
Operating temperature
Ta

−40
+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.
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