Datasheet

Data Sheet
BP5220A/BP5221A/BP5222A
DRIVE CIRCUIT
CONTROL CIRCUIT
POWER
SUPPLY
CIRCUIT
Vi
9 7654321
ADJ CTL GND V
OUT FB
BP5220A / BP5221A / BP5222A
N. C.
N. C. N. C.
Parameter Symbol Unit ConditionsMin. Typ. Max.
Input voltage
Vi 8
38
Output voltage
V
O 4.75 5 5.25
Output current
I
O 1
Line regulation
27 80
Vi=8V to 38V
Vi=8V to 38V
Load regulation
13 80 Io=0.1A to 1A
Io=0.05A to 0.5A
Output ripple voltage
22 70
Power conversion efficiency
75 85 Io=1A
Io=1A
Switching frequency
f
SW 190
CTL pin ON resistance
R
ON 4.7 Vo>4.75V
Vo>4.75V
CTL pin OFF resistance
Input voltage
Output voltage
Output current
Line regulation
Load regulation
Output ripple voltage
Power conversion efficiency
Switching frequency
CTL pin ON resistance
CTL pin OFF resistance
R
OFF 200 Vo<0.1V, SW=2
Vo<0.1V, SW=2
Symbol
Vi
V
O
IO
fSW
RON
ROFF
Vi<30V
BP5221A (Unless otherwise noted : Vi=15V, Io=0.25A, SW=1, Ta=25˚C)
Parameter Unit ConditionsMin. Typ. Max.
8
38 V
4.75 5 5.25 V
0.5 A
13 50 mV
350mV
25 70 mVPP
70 84 %
190 kHz
4.7
200
V
V
A
mV
mV
mV
PP
%
kHz
BP5220A (Unless otherwise noted : Vi=15V, Io=0.5A, SW=1, Ta=25˚C)
Block diagram
Electrical characteristics
2/7
2010.03 - Rev. B
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