BD9011EKN View Datasheet(PDF) - ROHM Semiconductor
Part Name
Description
Manufacturer
BD9011EKN
ROHM Semiconductor
BD9011EKN Datasheet PDF : 29 Pages
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●Application circuit example (Parentheses indicate VQFP48C pin numbers)
VIN(12V)
SP8K2
100uF
15mΩ
15mΩ
100Ω
0.33
uF
1nF
10
Ω
1nF
100Ω
SP8K2
(SLF12565：TDK)
Vo(5V/3A)
10uH
68kΩ
RB051
L-40
220uF
(OS ｺﾝ)
RB160
VA-40
0.1
uF
1uF
1uF
13kΩ
15000pF 39kΩ
0.1uF
36 35 34 33 32 31 30
(12) (11) (10) (8) (7) (5) (3)
OUTH1
1(13) SW1
2(14) DGND1
3(15) OUTL1
4(17) VREG5A
5(19) VREG33
6(21) FB1
7(22) COMP1
8(23) SS1
9(24) DET1
STB
10 11 12 13 14 15 16
(25) (26) (27) (29) (31) (33) (34)
29 28
(2) (1)
RB160
VA-40
OUTH2
0.1
SW2 27(48)
uF
DGND2 26(47)
OUTL2 25(46)
VREG5 24(44)
23
1uF
EXTVCC 22(41)
FB2 21(39)
0.33uF
COMP2 20(38)
SS2 19(37)
DET2
17 18
(35) (36)
39kΩ
0.1uF
(SLF12565：TDK)
10uH
Vo(3.3V/3A)
RB051
L-40
220uF
(OS ｺﾝ)
47kΩ
15000pF
15kΩ
100kΩ
Fig-16A（Step-Down：Cout=OS Capacitor）
There are many factors(The PCB board layout, Output Current, etc.)that can affect the DCDC characteristics.
Please verify and confirm using practical applications.
VIN(12V)
SP8K2
100uF
23mΩ
23mΩ
100Ω
0.33
uF
1nF
10
Ω
1nF
100Ω
SP8K2
(SLF10145：TDK)
Vo(1.8V/2A) 10uH
RB160
VA-40
0.1
uF
RB051
L-40
3300pF 15kΩ
150Ω
30uF
(C2012JB
1uF
0J106K
：TDK)
1uF
12kΩ
330pF
10000pF 1kΩ
0.1uF
36 35 34 33 32 31 30 29 28
(12) (11) (10) (8)
(7)
(5) (3)
(2)
(1)
RB160
VA-40
OUTH1
1(13) SW1
OUTH2
0.1
SW2 27(48)
uF
2(14) DGND1
DGND2 26(47)
3(15) OUTL1
OUTL2 25(46)
4(17) VREG5A
5(19) VREG33
VREG5 24(44)
23
1uF
(SLF10145：TDK)
10uH
Vo(2.5V/2A)
RB051
L-40
30uF
(C2012JB
0J106K
：TDK)
43
kΩ
1000pF
510Ω
6(21) FB1
EXTVCC 22(41)
7(22) COMP1
FB2 21(39)
8(23) SS1
COMP2 20(38)
9(24) DET1
SS2 19(37)
STB
DET2
10 11 12 13 14 15 16 17 18
(25) (26) (27) (29) (31) (33) (34) (35) (36)
0.33uF
330pF
3.3kΩ 3300pF
0.1uF
20kΩ
100kΩ
Fig-16B（Step-Down：Cout=Ceramic Capacitor）
There are many factors(The PCB board layout, Output Current, etc.)that can affect the DCDC characteristics.
Please verify and confirm using practical applications.
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