BD9873CP-V5E2 ROHM [Rohm], BD9873CP-V5E2 Datasheet - Page 5

• Manufacturer Part Number: BD9873CP-V5E2
• Description: Simple Step-down Switching Regulators with Built-in Power MOSFET
• Manufacturer: ROHM [Rohm]

●Reference data BD9873CP-V5
© 2009 ROHM Co., Ltd. All rights reserved.
BD9873CP-V5,BD9874CP-V5
www.rohm.com
2.5
1.5
0.5
100
5.15
5.05
4.95
4.85
Output voltage- Load Current
90
80
70
60
50
40
30
20
10
3
2
1
0
5.1
4.9
0
Efficiency-Load Current
0.0
5
0
0
Load Response
V(VCC-OUT)-Iout
Ta=25℃
VCC=12V
VCC=36V
Ta=25℃
0.5
0.5
0.5
Fig.13
Fig.4
Ta=-40℃
IOUT [A]
Fig10
IOUT [A]
Fig.7
IO[A]
Ta=150℃
VCC=8V
1.0
1
1
VCC=12V
Ta=-40℃
VCC=12V
Ta=85℃
Ta=25℃
500mV / div
5msec / div
VOUT
1.5
1.5
1.5
Output voltage-Supply voltage
8
7
6
5
4
3
2
1
0
200
150
100
Switching Frequency - Supply
6
5
4
3
2
1
0
50
0
Over Current Protection
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
5
Start-up waveform
5
Ta=25℃
Ta=25℃
Ta=25℃
10
Ta=85℃
Ta=85℃
Ta=-40℃
10
5/12
Fig.14
15
Fig.5
VCC [V]
15
Ipinvo [A]
Fig.8
VCC [V]
Fig.11
lt
20
Ta=-40℃
20
Ta=85℃
25
VCC=12V
25
OUT=5V
OUT=5V
Ta=-40℃
30
30
5msec / div
5V / div
2V / div
VOUT
STBY
35
35
Circuit current-Supply voltage
Switching Frequency-Temperature
INV Pin Threshold voltage-
1.08
1.06
1.04
1.02
0.98
0.96
0.94
0.92
200
180
160
140
120
100
10
10
80
60
40
20
1.1
0.9
9
8
7
6
5
4
3
2
1
0
8
6
4
2
0
0
-40
1
5
-40
-40
-20
-20
-20
10
Iout=No Load
ICC(STB)-Ta
Temperature
0
0
0
15
Ta=25℃
Technical Note
Fig.12
Fig.15
2009.07 - Rev.A
Ta=-40℃
Fig.9
VCC [V]
20
Ta [℃]
20
Ta [℃]
20
Ta [℃]
Fig.6
20
40
40
40
Ta=85℃
25
60
VCC=12V
60
60
STB=3V
30
80
80
80
100
100
100
35