Data Sheet
3.3V/ 300mA Output
Step-down DC/DC Converter(Non-isolated)
BP5224-33
Absolute Maximum Ratings
Parameter
Input voltage
Operating temperature
Storage temperature
Maximum surface temperature
Maximum output current
Symbol
Vi
Topr
Tstg
Tcmax
Iopeak
Dimensions (Unit :
mm
)
Limits
Unit
V
°C
°C
°C
mA
18.1Max.
17.8Max.
9.7Max.
BP5224-33
Marking side
1
2
4
5
6
0.5±0.1
3.3Max.
1.3±0.2
P=2.54±0.2
3.65Max.
6.05Max.
0.25±0.05
2.54x5=12.7(TYP.)
Electrical Characteristics
Symbol
Parameter
Input voltage
Output voltage
Output current
Line regulation
Load regulation
Output ripple voltage
Power conversion efficiency
Min.
Typ.
Max.
Unit
V
V
mA
V
V
Vp-p
%
Conditions
DC
4.0±1.0
Derating Curve
Derating Curve
350
Output Current Io(A)
300
250
200
150
100
50
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(
°C
)
Vi=7 to 18V
Io=0 to 300mA
Conversion Efficiency
Application Circuit
BP5224-33
Pin No.
1
2
3
4
5
6
Function
Input terminal Vi
Input terminal Vi
Skip
GND
GND
Output terminal Vo
1
Be sure to use fuse for safety.
2
4
5
6
100
90
80
70
60
50
40
30
20
10
0
Conversion Efficiency
(Ta=25
°C
, Vi=16V)
50
F1
V
I
C1
C2
Vo
100 150 200 250 300
Output Current Io(A)
Load Regulation
4.0
3.8
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
0
50
Load Regulation
(Ta=25
°C
)
V
I
=7V
Please verify operation and characteristics in the customer's circuit before actual usage.
Ensure that the load current does not exceed the maximum rating.
Output Voltage Vo(V)
V
I
=16V
External Component Specifications
F1: FUSE
C1: Input capacitor
Be sure to use a fuse for safety.
100 150 200 250
Output Current Io(A)
300
C2: Output capacitor
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2010.03 -
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