BP5221 Ver la hoja de datos (PDF) - ROHM Semiconductor
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BP5221 Datasheet PDF : 8 Pages
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Block diagram
BP5220 / BP5221 / BP5222
BP5220 / BP5221 / BP5222 /
BP5220X / BP5221X / BP5222X
DRIVE CIRCUIT
POWER
SUPPLY
CIRCUIT
CONTROL CIRCUIT
N. C.
N. C.
9
7
6
5
4
3
2
1
VIN
ADJ
N. C.
CTL
GND
VOUT
FB
Electrical characteristics BP5220 / BP5220X (Unless otherwise noted: VIN=15V, IO=0.5A, SW=1, Ta=25°C)
Parameter
Symbol Min. Typ.
Input voltage
VIN
8
−
Output voltage
VO
4.75
5
Output current
IO
−
−
Line regulation
∆VO1
−
35
Load regulation
Output ripple voltage
∆VO2
−
20
νr
−
30
Power conversion efficiency
η
75
85
Switching frequency
fSW
−
190
CTL pin ON resistance
RON
−
−
CTL pin OFF resistance
ROFF
200
−
∗1 Derating required according to the input voltage and ambient temperature.
∗2 Pulse noise not included.
Max.
38
5.25
1
80
80
70
−
−
4.7
−
Unit
V
V
A
mV
mV
mVPP
%
kHz
kΩ
kΩ
Conditions
VIN < 30V
∗1
VIN=8V~38V
IO=0.1A~1A
∗2
IO=1A
VO > 4.75V
VO < 0.1V, SW=2 select
BP5221 / BP5221X (Unless otherwise noted: VIN=15V, IO=0.25A, SW=1, Ta=25°C)
Parameter
Symbol Min. Typ. Max. Unit
Input voltage
VIN
8
−
38
V
Output voltage
VO
4.75
5
5.25
V
Output current
IO
−
−
0.5
A
Line regulation
∆VO1
−
35
80
mV
Load regulation
∆VO2
−
20
80
mV
Output ripple voltage
νr
−
30
70
mVPP
Power conversion efficiency
η
70
84
−
%
Switching frequency
fSW
−
190
−
kHz
CTL pin ON resistance
RON
−
−
4.7
kΩ
CTL pin OFF resistance
ROFF
200
−
−
kΩ
∗1 Derating required according to the input voltage and ambient temperature.
∗2 Pulse noise not included.
Conditions
∗1
VIN=8V~38V
IO =0.05A~0.5A
∗2
IO=0.5A
VO > 4.75V
VO < 0.1V, SW=2 select
2/8
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