BD9775FV-E2 Rohm Semiconductor, BD9775FV-E2 Datasheet - Page 6

• Manufacturer Part Number: BD9775FV-E2
• Description: IC REG SW STEP DOWN HE 28-SSOP
• Manufacturer: Rohm Semiconductor
• Type: Step-Down (Buck)r

Specifications of BD9775FV-E2

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Current - Output: 400mA
• Frequency - Switching: 100kHz
• Voltage - Input: 6 ~ 30 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Power - Output: 640mW
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: BD9775FV-E2TR

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