Datasheet

Data Sheet
BP5220A/BP5221A/BP5222A
BP5222A (Unless otherwise noted : Vi=20V, Io=0.25A, SW=1, Ta=25˚C)
T
Output ripple voltage
Please note that output ripple voltage depends on the type and characteristics of the output capacitor.
Switching frequency=1/T
Fig.1
+
+
9 7654321
Input
A
VV
A
f
SW
12
Output
4.7k
200k
BP5220A / BP5221A / BP5222A
f ; Frequency counter
Vi=15V to 38V
Io=0.05A to 0.5A
Io=0.5A
Vo>11.2V
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
Vo<0.1V, SW=2
Symbol
Vi
V
O
IO
fSW
RON
ROFF
Parameter Unit ConditionsMin. Typ. Max.
15
38 V
11.2 12 12.8 V
0.5 A
22 50 mV
18 50 mV
29 70 mVPP
75 90 %
190 kHz
4.7
200
Measurement circuit
3/7
2010.03 - Rev. B
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