BP5224-33 Datasheet, PDF (1/3 Pages) Rohm – DC/DC converter

DC/DC converter
3.3V/300mA output
BP5224-33
Absolute Maximum Ratings
Parameter
Input voltage
Operating temperature
Storage temperature
Maximum surface temperature
Maximum output current
Symbol
VIN
Topr
Tstg
Tcmax
Iopeak
Limits
Unit
24
V
−20 to +80
°C
−25 to +105
°C
105
°C
300
mA
Electrical Characteristics
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Input voltage
Vin
Output voltage
Vo
Output current
Io
Line regulation
Vr
Load regulation
VI
Output ripple voltage Vp
Power conversion efficiency η
7.0 16.0 18.0 V DC
3.14 3.3 3.46 V
−
− 300 mA
− 0.03 0.10 V Vin=7 to 18V
− 0.07 0.15 V Io=0 to 300mA
− 0.06 0.15 Vp-p
68 71
−
%
∗1 Maximum output current varies depending on ambient temperature : please refer to derating curve.
∗2 Spike noise is not included in output ripple voltage.
Application circuit
BP5224-33
BP5224-33
12
456
Pin No.
Function
1 Input terminal Vi
2 Input terminal Vi
3 Skip
4 GND
5 GND
6 Output terminal Vo
F1
VIN
C1
C2 Vo
Be sure to evaluate it under the cindition that it is mounted by your product.
Especially, Confirm whether output current never exceeds a maximum standard
with current probe.
Dimensions (mm)
17.8Max.
BP5224-33
9.7Max.
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
∗1
200
150
100
50
∗2
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, Vin=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
VIN=7V
3.4
3.2
3.0
VIN=16V
2.8
2.6
2.4
2.2
2.0
0 50 100 150 200 250 300
Output Current Io(A)
Outside part
F1: FUSE
C1: Input capacitor
C2: Output capacitor
Use a fuse for safety.
Rated voltage : More than 50V
Capacity : more than 100µF, low impedance type
Rated ripple current : More than 0.2Arms
Rated voltage : More than 10V
Capacity : 220 to 680µF, low impedance type
Rated ripple current : More than 0.2Arms
Evaluate it with the actual opportunity because
it influences an output ripple voltage.