BP5220A Просмотр технического описания (PDF) - ROHM Semiconductor
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BP5220A Datasheet PDF : 9 Pages
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BP5220A/BP5221A/BP5222A
Data Sheet
Block diagram
BP5220A / BP5221A / BP5222A
DRIVE CIRCUIT
POWER
SUPPLY
CIRCUIT
CONTROL CIRCUIT
N. C.
N. C.
9
7
6
5
4
3
2
1
Vi
ADJ
N. C.
CTL
GND
VOUT
FB
Electrical characteristics
BP5220A (Unless otherwise noted : Vi=15V, Io=0.5A, SW=1, Ta=25˚C)
Parameter
Symbol Min. Typ. Max.
Input voltage
Vi
8
38
Output voltage
VO
4.75
5
5.25
Output current
IO
1
Line regulation
27
80
Load regulation
13
80
Output ripple voltage
22
70
Power conversion efficiency
75
85
Switching frequency
fSW
190
CTL pin ON resistance
RON
4.7
CTL pin OFF resistance
ROFF
200
Unit
V
V
A
mV
mV
mVPP
%
kHz
Conditions
Vi<30V
Vi=8V to 38V
Io=0.1A to 1A
Io=1A
Vo>4.75V
Vo<0.1V, SW=2
BP5221A (Unless otherwise noted : Vi=15V, Io=0.25A, SW=1, Ta=25˚C)
Parameter
Symbol Min. Typ. Max.
Input voltage
Vi
8
38
Output voltage
VO
4.75
5
5.25
Output current
IO
0.5
Line regulation
13
50
Load regulation
3
50
Output ripple voltage
25
70
Power conversion efficiency
70
84
Switching frequency
fSW
190
CTL pin ON resistance
RON
4.7
CTL pin OFF resistance
ROFF
200
Unit
V
V
A
mV
mV
mVPP
%
kHz
Conditions
Vi=8V to 38V
Io=0.05A to 0.5A
Io=1A
Vo>4.75V
Vo<0.1V, SW=2
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2/7
2010.03 - Rev. B
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