Datasheet

BD9701FP/CP-
V
5/T/
T
-
V
5,BD9703FP/CP-
V
5/T/
T
-
V
5,BD9702CP-
V
5/T/
T
-
V
5
Technical Note
4/16
www.rohm.com
2009.04- Rev.B
© 2009 ROHM Co., Ltd. All rights reserved.
40
50
60
70
80
90
100
10 100 1000
OUTPUT CURRENT : IOUT[A]
EFFICIENCY η: [%]
0
0.5
1
1.5
2
2.5
3
3.5
00.511.52
SWITCHING CURRENT : ISW[A]
OUTPUT VOLTAGE : VDS[V]
0.980
0.990
1.000
1.010
1.020
-10 10 30 50 70 90
AMBIENT TEMPERATURE : Ta [℃]
INV THRESHOLD VOLTAGE : VINV[V]
●Characteristic Data
○BD9701FP/CP-V5/T/T-V5
0
1
2
3
4
5
6
01234
OUTPUT CURRENT IOUT : [A]
OUTPUT VOLTAGE : VO [V]
90
95
100
105
110
-101030507090
AMBIENT TEMPERATURE : Ta [℃]
OSC FREQUENCY : FOSC [ｋHz]
4.9
4.95
5
5.05
5.1
0 200 400 600 800 1000
OUTPUT CURRENT : IOUT[A]
OUTPUT VOLTAGE : VO [V]
4.900
4.950
5.000
5.050
5.100
0 10203040
INPUT VOLTAGE : VCC [V]
OUTPUT VOLTAGE : VO [V]
VCC=30V
VCC=20V
VCC=10V
90
95
100
105
110
0 10203040
INPUT VOLTAGE : VCC [V]
OSC FREQUENCY : FOSC [ｋHz]
Fig.1
EFFICIENCY-LOAD CURRENT
Fig.2
OCP VCC=20V
Fig.3
fosc-Ta
Fig.4
OUTPUT VOLTAGE-LOAD CURRENT
Fig.5
OUTPUT VOLTAGE-INPUT VOLTAGE
(Vo=5V,Ro=5ohm)
Fig.6
CIRCUIT CURRENT-INPUT VOLTAGE
NO LOAD
Fig.7
VOUT～OUT VOLTAGE-DRAIN CURRENT
Fig.8
fosc-INPUT VOLTAGE
Fig.9
INV THRESHOLD VOLTAGE-Ta
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
10 15 20 25 30 35
INPUT VOLTAGE : VCC [V]
CIRCUIT CURRENT ; [mA]