BP5224-33_10 Datasheet, PDF (1/1 Pages) Rohm – Step-down DC/DC Converter(Non-isolated)

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
Limits
Unit
V
°C
°C
°C
mA
Electrical Characteristics
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Input voltage
V DC
Output voltage
V
Output current
mA
Line regulation
V Vi=7 to 18V
Load regulation
V Io=0 to 300mA
Output ripple voltage
Vp-p
Power conversion efficiency
%
Application Circuit
BP5224-33
Be sure to use fuse for safety.
12
F1
VI
C1
456
C2 Vo
Pin No.
Function
1 Input terminal Vi
2 Input terminal Vi
3 Skip
4 GND
5 GND
6 Output terminal Vo
Please verify operation and characteristics in the customer's circuit before actual usage.
Ensure that the load current does not exceed the maximum rating.
External Component Specifications
F1: FUSE
Be sure to use a fuse for safety.
C1: Input capacitor
C2: Output capacitor
Dimensions (Unit : mm)
17.8Max.
9.7Max.
BP5224-33
3.3Max.
12
4 56
0.5±0.1
1.3±0.2
P=2.54±0.2
2.54x5=12.7(TYP.)
0.25±0.05
3.65Max.
6.05Max.
Derating Curve
Derating Curve
350
300
250
200
150
100
50
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(°C)
Conversion Efficiency
Conversion Efficiency
(Ta=25°C, Vi=16V)
100
90
80
70
60
50
40
30
20
10
0
50 100 150 200 250 300
Output Current Io(A)
Load Regulation
Load Regulation
(Ta=25°C)
4.0
3.8
3.6
VI =7V
3.4
3.2
3.0
VI =16V
2.8
2.6
2.4
2.2
2.0
0 50 100 150 200 250 300
Output Current Io(A)
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2010.03 - Rev. B