BD8153EFV
Technical Note
4/17
www.rohm.com
2009.07 - Rev.B
© 2009 ROHM Co., Ltd. All rights reserved.
OUTPUT VOLTAGE : Vcp[mV].
0
40
80
120
160
200
0 20 40 60 80 100
INPUT CURRENT : Icp[mA]
1.22
1.23
1.24
1.25
1.26
-50 -25 0 25 50 75 100 125
AMBIENT TEMPERATURE : Ta[
℃
]
REF VOLTAGE : VREF[V
0
2
4
6
8
10
01.534.56
SUPPLY VOLTAGE : VDD[V]
SUPPLY CURRENT : IDD[mA]
0
0.2
0.4
0.6
0.8
1
0 1.5 3 4.5 6
SUPPLY VOLTAGE : VCC [V]
SUPPLY CURRENT : ICC[mA]
125℃
25℃
-40℃
Fig. 10 SW On Resistance
0
40
80
120
160
200
0 0.2 0.4 0.6 0.8 1
SW CURRENT : ISW [A]
SW VOLTAGE : VSW [V]
Fig. 12 Gate Shading
On Voltage
GS CURRENT : Igs[mA]
GS VOLTAGE : Vgs[V]
Fig. 11 Charge Pump
On Voltage
N channel
P channel
Fig. 4 Internal
Reference Line Regulation
0
0.4
0.8
1.2
1.6
01.534.56
SUPPLY VOLTAGE : VCC[V]
REF VOLTAGE : VREF[V]
Fig. 5 Internal
Reference Load Regulation
0
0.4
0.8
1.2
1.6
0 5 10 15 20 25 30
REF CURRENT : IREF[mA]
REF VOLTAGE : VREF[V]
Fig. 6 SS Source Current
0
2
4
6
8
10
12
01.534.56
SUPPLY VOLTAGE : VDD[V]
SS SOURCE CURRENT : ISS[μA]
Fig. 7 DLS Source Current
0
2
4
6
8
10
12
01.534.56
SUPPLY VOLTAGE : VDD[V]
DLS SOURCE CURRENT : IDLS[μA]
Fig. 8 Switching Frequency
Temperature
0
0.5
1
1.5
2
-50 -25 0 25 50 75 100 125
AMBIENT TEMPERATURE : Ta[
℃
]
SWITCHHING FREQUENCY : f [MHz]
-40
Fig. 9 REG Current Capacity
0
1
2
3
4
5
0246810
BASE CURRENT : IBASE[mA]
VDD VOLTAGE : VDD[V]
Fig. 1 Total Supply Current 1
Fig. 3 Internal Reference
Temperature
Fig. 2 Total Supply Current 2
125℃
25
℃
-40
℃
N channel
P channel
0
20 40 60 80 100
0
0.2
0.4
0.6
0.8
1
● Reference Data (Unless otherwise specified, Ta = 25°C)
