Rohm BD9E304FP4-EVK-002, User Manual

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© 2022 ROHM Co., Ltd.
No. 64UG041E Rev.001
2022.2
User’s Guide
BD9E304FP4-EVK-002
Operation State Settings
Below is a table of BD9E304FP4-LBZ condition selectable using SW_EN.
Table 1. SW_EN Settings
SW_EN state BD9E304FP4-LBZ 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/
Current
Rating
Temp.
Coefficient/
DCR
Tolera
nce
Parts Name Manufacturer
Quan
tity
C1,C6 Capacitor 0.1μF 1005(0402) - 50V X5R ±10% GRM155R61H104KE14 Murata 2
C2 Capacitor 10μF 3225(1210) - 100V X7S ±10% GRM32EC72A106KE05 Murata 1
47μF 3225(1210) - 25V X5R ±20%
MSAST32MAB5476MPNDT1
(Previus name:
TMK325ABJ476MM-P
）
TAIYO YUDEN 2
C5 Capacitor 120pF 0603(0201) - 50V C0G ±5% GRM0335C1H121JA01 Murata 1
C3 Capacitor 680pF 0603(0201) - 25V C0G ±5% GRM0335C1E681JA01 Murata 1
30k 1005(0402) 1/16W - - ±1% TRR01MZPF3002 ROHM 1
43k 1005(0402) 1/16W - - ±1% TRR01MZPF4302 ROHM 1
470k 1005(0402) 1/16W - - ±1% TRR01MZPF4703 ROHM 1
27k 1005(0402) 1/16W - - ±1% TRR01MZPF2702 ROHM 1
22μH 100100(4040) - Ist=4.2A
DCR=56.7m
Ω±
20%
±20% 1274AS-H-220M# Murata 1
U1 IC - 2.80x2.92 - - - - BD9E304FP4-LBZ ROHM 1
R5 - Short Soldering - - - - Shorted by Solder - 0
R6 - Open - - - - - - 0
R0 - Short Soldering - - - - 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
R1 Resistor
L1 Inductor
R4 Resistor
R2 Resistor
C7,C8 Capacitor
R3 Resistor