BD9873CP-V5 Ver la hoja de datos (PDF) - ROHM Semiconductor
Número de pieza
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BD9873CP-V5 Datasheet PDF : 13 Pages
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BD9873CP-V5,BD9874CP-V5
●Reference data BD9873CP-V5
100
90
80
70
60
50
40
30
20
10
0
0
Ta=25℃
VCC=12V
VCC=36V
VCC=8V
0.5
1
1.5
IOUT [A]
Fig.4
Efficiency-Load Current
5.15
VCC=12V
5.1
5.05
5
Ta=25℃
Ta=85℃
4.95
4.9
Ta=-40℃
4.85
0
0.5
1
1.5
IOUT [A]
Fig.7
Output voltage- Load Current
3
VCC=12V
2.5
2
Ta=150℃
1.5
Ta=25℃
1
0.5
Ta=-40℃
0
0.0
0.5
1.0
1.5
IO[A]
Fig10
V(VCC-OUT)-Iout
5msec / div
VOUT
500mV / div
Fig.13
Load Response
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Technical Note
6
VCC=12V
5
4
3
Ta=85℃
2
Ta=-40℃
1
Ta=25℃
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
Ipinvo [A]
Fig.5
Over Current Protection
8
7
OUT=5V
6
5
4
Ta=25℃
3
2
Ta=85℃
Ta=-40℃
1
0
0
5 10 15 20 25 30 35
VCC [V]
Fig.8
Output voltage-Supply voltage
200
150
100
Ta=25℃
50
OUT=5V
Ta=85℃
Ta=-40℃
0
5
10
15
20
25
30
35
VCC [V]
Fig.11
Switching Frequency - Supply
lt
5msec / div
STBY
5V / div
VOUT
2V / div
Fig.14
Start-up waveform
5/12
200
180
160
140
120
100
80
60
40
20
0
-40 -20 0 20 40 60 80 100
Ta [℃]
Fig.6
Switching Frequency-Temperature
10
9
8
7
6
5
4
3
2
1
0
5
STB=3V
Ta=85℃
Ta=25℃
Ta=-40℃
10
15
20
25
30
35
VCC [V]
Fig.9
Circuit current-Supply voltage
Iout=No Load
1.1
1.08
VCC=12V
1.06
1.04
1.02
1
0.98
0.96
0.94
0.92
0.9
-40 -20 0
20 40 60 80 100
Ta [℃]
Fig.12
INV Pin Threshold voltage-
Temperature
10
8
6
4
2
0
-40 -20 0 20 40 60 80 100
Ta [℃]
Fig.15
ICC(STB)-Ta
2009.07 - Rev.A
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