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© 2021 ROHM Co., Ltd.
No. 63UG030E Rev.001
2021.7
User’s Guide
BD9E304FP4-EVK-001
Operation State Settings
Below is a table of BD9E304FP4 condition selectable using SW_EN.
Table 1. SW_EN Settings
SW_EN state
BD9E304FP4 Condition
ON (short to VIN)
Enable
OFF (short to GND)
Shutdown
Parts list
Table 2. Parts list
Parts
number
Type
Value
Size/
Size Code
[unit:mm(inch)
]
Power
Rating
Voltage
Rating
/Saturation
current
Temp.
Coefficient
/DCR
Tolera
nce
Parts Name
Manufacturer Quantity
C1,C6
Capacitor
0.1μF
1005(0402)
-
50V
X5R
±10% GRM155R61H104KE14
Murata
2
C2
Capacitor
10μF
3225(1210)
-
100V
X7S
±10% GRM32EC72A106KE05
Murata
1
C7,C8
Capacitor
47μF
3216(1206)
-
16V
X5R
±20% GRM31CR61C476ME44
Murata
2
C5
Capacitor 120pF
1005(0402)
-
50V
C0G
±5% GRM1555C1H121JA01
Murata
1
C3
Capacitor 390pF
1005(0402)
-
50V
C0G
±5% GRM1555C1H391JA01
Murata
1
R3
Resistor
43k
Ω
1005(0402)
1/16W
-
-
±1% MCR01MZPF433
ROHM
1
R4
Resistor
Short
-
-
-
-
-
Shorted by solder
-
0
R2,R1
Resistor
100k
Ω
1005(0402)
1/16W
-
-
±1% MCR01MZPF1003
ROHM
2
L1
Inductor
3.3μH
8080(3232)
-
Isat=6.8A
DCR=14.4mΩ
max
±30% DEM8045Z-3R3N=P3
Murata
1
U1
IC
-
2.80x2.92
-
-
-
-
BD9E304FP4-LB
ROHM
1
R5
-
Short
-
-
-
-
-
Shorted by solder
-
0
R6
-
Open
-
-
-
-
-
-
-
0
R0
-
Short
-
-
-
-
-
Shorted by solder
-
0
EN,
VIN_S,VIN_F,
GND_Fx2,
GND_Sx2,
SS,
VOUT_S,
VOUT_F
Test Pin
-
1mm hole
10A
-
-
-
ST-2-2
Mac8
10
SW_EN
Header
-
-
-
-
-
-
68000-103HLF
Amphenol FCi
1
SW_EN
Jumper
-
-
-
-
-
-
QPC02SXGN-RC
SULLINS
1