BP5220 / BP5221 / BP5222 /
BP5220X / BP5221X / BP5222X
BP5222 / BP5222X (Unless otherwise noted ; VIN=20V, IO=0.25A, SW=1, Ta=25°C)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Input voltage
VIN
15
−
38
V
Output voltage
VO
11.2
12
12.8
V
Output current
IO
−
−
0.5
A
∗1
Line regulation
∆VO1
−
22
80
mV VIN=15V~38V
Load regulation
∆VO2
−
45
80
mV IO=0.05A~0.5A
Output ripple voltage
νr
−
35
70
mVPP
∗2
Power conversion efficiency
η
75
90
−
%
IO=0.5A
Switching frequency
fSW
−
190
−
kHz
∗2
CTL pin ON resistance
RON
−
−
4.7
kΩ VO > 11.2V
CTL pin OFF resistance
ROFF
200
−
−
∗1 Derating required according to the input voltage and ambient temperature.
∗2 Pulse noise not included.
kΩ VO < 0.1V, SW=2 select
Measurement circuit
A Input
V
BP5220 / BP5221 / BP5222
BP5220X / BP5221X / BP5222X
9
7654321
SW
1
2
+
+
A Outrput
Vf
f ; Frequency counter
100µF/50V, 470µF/50V ; PL series / NICHIKON(Low-impedance type)
Fig.1
T
Switching frequency=1/T
Output ripple voltage
Note that output ripple voltage depends on the type and characteristics of the output capacitor.
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