BP5223_10 Datasheet, PDF (1/1 Pages) Rohm – Step-down DC/DC Converter(Non-isolated)

Data Sheet
5V/150mA Output
Step-down DC/DC Converter(Non-isolated)
BP5223
Absolute Maximum Ratings
Parameter
Symbol
Limits
Unit
Input voltage
Vi
V
Operating temperature range Topr
°C
Storage temperature range
Tstg
°C
Maximum surface temperature
Tsmax
°C
Maximum output current
Iopeak
mA
Electrical Characteristics
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Input voltage range
V DC
Output voltage
V Vi=14V, Io=100mA
Output current
mA Vi=14V
Line regulation
V Vi=8 to 18V, Io=100mA
Load regulation
V Vi=14V, Io=0 to 100mA
Output ripple voltage
Vpp Vi=14V, Io=100mA
Power conversion efficiency
% Vi=14V, Io=150mA
Application Circuit
BP5223
1
345
Pin No.
Function
1 Input terminal Vi
2 Not used
3 GND
4 GND
5 Output terminal Vo
LIn
Vi
+
C1
Io
C2
Vo
C3
Be sure to use fuse for safety.
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
FUSE: fuse
Use a fast-acting fuse of 0.5A
C1: Input capacitor
C2: Output capacitor
C3: Noise removal capacitor
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
1/1
Dimensions (Unit : mm)
17.0Max.
10.4Max.
1
34 5
3.25Max.
0.5±0.1
1.3±0.2
P=2.54±0.2
2.54 x 4=10.16
0.25±0.05
5.25Max.
5.15Max.
Derating Curve
Derating Curve
160
140
120
100
80
Operation Range
60
40
20
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(°C)
Oscillation Frequency
Oscillataion Frequency Characteristics
200
180
160
140
120
100
80
60
40
20
0
0
30 60 90 120 150
Output Current Io(mA)
Conversion Efficiency
Conversion Efficiency
(Ta=25°C, Vi=12.0V)
90
80
70
60
50
40
30
20
10
0
0
30 60 90 120 150
Output Current Io(mA)
Load Regulation
Load Regulation
(Ta=25°C, Vi=12V)
6
5
4
3
2
1
00
50 100 150 200 250
Output Current Io(mA)
Surface Temperature Increase
Surface Temperature Increase
(Ta=25°C, Vi=12V)
20
18
16
14
12
10
8
6
4
2
00
30
60
90 120 150
Output Current Io(mA)
2010.03 - Rev. B