bd8311nuv-e2 ROHM Co. Ltd., bd8311nuv-e2 Datasheet - Page 7

• Manufacturer Part Number: bd8311nuv-e2
• Description: High-efficiency Step-up Switching Regulator With Built-in Power Mosfet
• Manufacturer: ROHM Co. Ltd.

● Example of Application
● Reference Application Data 1
10V/500mA
100
80
60
40
20
0
15
14
13
12
11
10
9
8
7
6
5
1
0
VCC=10V
Fig.20 Power conversion
200k
22k
Fig.23 Line regulation
VCC=8.4V
2
10
OUTPUT CURRENT [mA]
INPUT VOLTAGE [V]
4
Io=100mA
100k
10p
100
10k
Io=500mA
6
VCC=7.4V
22μF
GRM32EB31C226KE16（Murata）
Input: 3.5 to 10 V, output: 10.1 V / 500 mA
1000
8
ON/OFF
10
10000
12
1 0
6
7
8
9
Fig.19 Reference application diagram
100
INV
PGND
PGND
SWOUT
RSX201L-30 ROHM）
STB
80
60
40
20
0
10.5
10.4
10.3
10.2
10.1
10.0
9.9
9.8
9.7
9.6
9.5
1
VCC=6.0V
1
Fig.21 Power conversion
Fig.24 Load regulation
10
OUTPUT CURRENT [mA]
VCC=4.8V
OUTPUT CURRENT [mA]
10
7/14
100
100
VCC=10V
VCC=6.0V
VREG
GND
VCC
1000
Lx
Lx
1000
VCC=8.4V
VCC=7.4V
5
4
3
2
1
1
10000
10000
1μF
GRM188B11A105KA61（Murata）
100
80
60
40
20
10.5
10.4
10.3
10.2
10.1
10.0
0
9.9
9.8
9.7
9.6
9.5
1
1μF
GRM21BB11C105KA01（Murata）
1
VCC=4.0V
4.7μH
DE3518E（TOKO）
Fig.22 Power conversion
Fig.25 Load regulation
10
OUTPUT CURRENT [mA]
VCC=3.5V
OUTPUT CURRENT [mA]
10
VCC=3.5V
100
100
10μF
GRM31CB31E106KA75L（Murata）
VCC=4.8V
VCC=4.0V
1000
1000
VBAT=2.5～4.5V
3.3～5.0V
2
10000
10000