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
6/16
www.rohm.com
2009.04- Rev.B
© 2009 ROHM Co., Ltd. All rights reserved.
0
1
2
3
4
5
10 15 20 25 30 35
INPUT VOLTAGE : VCC [V]
CIRCUIT CURRENT ; [mA]
●Characteristic Data
○BD9703FP/CP-V5/T/T-V5
40
50
60
70
80
90
100
10 100 1000
OUTPUT CURRENT : IOUT[A]
EFFICIENCY η: [%]
0
1
2
3
4
5
6
01234
OUTPUT CURRENT : IOUT[A]
OUTPUT VOLTAGE : VO [V]
270
285
300
315
330
-10 10 30 50 70 90
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]
VCC=30V
VCC=20V
VCC=10V
4.90
4.95
5.00
5.05
5.10
0 10203040
INPUT VOLTAGE : VCC [V]
OUTPUT VOLTAGE : VO [V]
0
0.5
1
1.5
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
SWITCHING CURRENT : ISW[A]
OUTPUT VOLTAGE : VDS[V]
270
285
300
315
330
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]
Fig.19
EFFICIENCY-LOAD CURRENT
Fig.20
OCP VCC=20V
Fig.21
fosc-Ta
Fig.22
OUTPUT VOLTAGE-LOAD CURRENT
Fig.23
OUTPUT VOLTAGE-INPUT
VOLTAGE (Vo=5V,Ro=5ohm)
Fig.24
CIRCUIT CURRENT-INPUT
VOLTAGE NO LOAD
Fig.25
VOUT～OUT
VOLTAGE-DRAIN CURRENT
Fig.26
f
OSC-INPUT VOLTAGE
Fig.27
INV THRESHOLD VOLTAGE-Ta