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
5/16
www.rohm.com
2009.04- Rev.B
© 2009 ROHM Co., Ltd. All rights reserved.
40
50
60
70
80
90
100
10 100 1000 10000
OUTPUT CURRENT : IOUT[A]
EFFICIENCY η: [%]
0
1
2
3
4
5
6
0123456
OUTPUT CURRENT : IOUT[A]
OUTPUT VOLTAGE : VO [V]
4.90
4.95
5.00
5.05
5.10
0 500 1000 1500 2000 2500 3000
OUTPUT CURRENT : IOUT[A]
OUTPUT VOLTAGE : VO [V]
VCC=10V
VCC=20V
VCC=30V
4.90
4.95
5.00
5.05
5.10
010203040
INPUT VOLTAGE : VCC [V]
OUTPUT VOLTAGE : VO [V]
0.0
0.5
1.0
1.5
2.0
0 0.5 1 1.5 2 2.5 3
SWITCHING CURRENT : ISW[A]
OUTPUT VOLTAGE : VDS[V]
100
105
110
115
120
0 10203040
INPUT VOLTAGE : VCC [V]
OSC FREQUENCY : FOSC [ｋHz]
0.98
0.99
1.00
1.01
1.02
-10 10 30 50 70 90
AMBIENT TEMPERATURE : Ta [℃]
INV THRESHOLD VOLTAGE : VINV[V]
100
105
110
115
120
- 10 10 30 50 70 90
[kHz] OSC FREQUENCY : FOSC
AMBIENT TEMPERATURE : Ta [℃]
●Characteristic Data
○BD9702FP/CP-V5/T/T-V5
0
1
2
3
4
5
10 15 20 25 30 35
INPUT VOLTAGE : VCC [V]
CIRCUIT CURRENT ; [mA]
Fig.10
EFFICIENCY-LOAD CURRENT
Fig.11
OCP VCC=20V
Fig.12
fosc-Ta
Fig.13
OUTPUT VOLTAGE-LOAD CURRENT
Fig.14
OUTPUT VOLTAGE-INPUT VOLTAGE
(Vo=5V,Ro=5ohm)
Fig.15
CIRCUIT CURRENT-
INPUT VOLTAGE NO LOAD
Fig.16
VOUT～OUT VOLTAGE-DRAIN CURRENT
Fig.17
fosc-INPUT VOLTAGE
Fig.18
INV THRESHOLD VOLTAGE-Ta