BD9873CP-V5E2 ROHM [Rohm], BD9873CP-V5E2 Datasheet - Page 6

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

●Reference data BD9874CP-V5
© 2009 ROHM Co., Ltd. All rights reserved.
BD9873CP-V5,BD9874CP-V5
www.rohm.com
Output voltage - Load Current
2.5
1.5
0.5
5.15
5.05
4.95
4.85
100
5.1
4.9
90
80
70
60
50
40
30
20
10
3
2
1
0
Efficiency - Load Current
0
0.0
5
0
0
V(VCC-OUT)-Iout
0.5
Load Response
0.5
0.5
VCC=36V
Ta=25 ℃
Ta=25 ℃
1.0
Fig.22
VCC=12V
1
Fig.16
1
Ta=-40 ℃
Fig.25
Fig.19
IOUT [A]
IOUT [A]
IO[A]
1.5
Ta=-40 ℃
1.5
1.5
Ta=85 ℃
VCC=8V
2.0
2
VCC=12V
2
VCC=12V
Ta=25℃
Ta=150 ℃
2.5
2.5
2.5
500mV / div
5msec / div
VOUT
3.0
3
3
Switching Frequency - Supply voltage
Output voltage-Supply voltage
8
7
6
5
4
3
2
1
0
200
150
100
6
5
4
3
2
1
0
50
0
Over Current Protection
0
0
5
5
Start-up waveform
Ta=85 ℃
Ta=25 ℃
1
Ta=25 ℃
10
Ta=85 ℃
Ta=-40 ℃
10
Ta=25 ℃
6/12
2
Fig.17
15
Fig.26
Ipinvo [A]
VCC [V]
15
Fig.20
VCC [V]
Fig.23
3
20
Ta=-40 ℃
20
Ta=85 ℃
4
25
VCC=12V
OUT=5V
25
OUT=5V
Ta=-40 ℃
5
30
30
5msec / div
5V / div
2V / div
VOUT
STBY
6
35
35
Circuit current-Supply voltage
1.08
1.06
1.04
1.02
0.98
0.96
0.94
0.92
200
180
160
140
120
100
10
1.1
0.9
80
60
40
20
9
8
7
6
5
4
3
2
1
0
10
0
1
5
8
6
4
2
0
-40
-40
INV Pin Threshold voltage-
-40
F
-20
-20
10
-20
Iout= No Load
Ta=25 ℃
ICC (STB)-Ta
Temperature
0
0
15
0
Switching
Technical Note
2009.07 - Rev.A
Ta=-40 ℃
Fig.21
Fig.27
VCC [V]
Fig.18
20
Ta [℃]
20
Ta [℃]
Fig.24
20
Ta [℃]
20
T
40
40
Ta=85 ℃
40
25
VCC=12V
60
60
STB=3V
60
30
80
80
t
80
100
100
35
100