Rohm BD9A301MUV-EVK-001, Руководство пользователя

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User
’s Guide
BD9A301MUV-EVK-001
© 2017 ROHM Co., Ltd.
No. 60UG004E Rev.001
APR.2017
1 PVIN
3 PGND
15 EN
5 AGND
SW 12
ITH 7
FB 6
U1
BD9A301MUV-LB
C2
L1
C4
C8
R3
R1
R2
VIN
VOUT
C5
1
7
EPAD
C1
C10
C3
SW1
ON
OFF
GND
J1
TP1
TP2
J2
TP3
TP4
GND
TP5
TP6
C6
SW 11
SW 10
SS 9
TP7
C9
BOOT 13
C7
R7
14 PGD
R4
16 AVIN
2 PVIN
4 PGND
8 MODE
R5
R6
PGD
Circuit Diagram
V
IN
= 2.7V to 5.5V, V
OUT
= 1.8V
Figure 2. BD9A301MUV-EVK-001 Circuit Diagram
Bill of Materials
2 C1, C7 Ceramic Capacitor 0.1µF 50V, B, ±10% GRM188B31H104KA92D MURATA 1608
1 C2 Ceramic Capacitor 10µF 16V, B, ±10% GRM31CB31C106KA88L MURATA 3216
0 C3 Ceramic Capacitor - Not installed - - 3216
2 C4, C5 Ceramic Capacitor 22µF 6.3V, B, ±20% GRM21BB30J226ME38L MURATA 2012
0 C6 Ceramic Capacitor - Not installed - - 2012
1 C8 Ceramic Capacitor 3300pF 50V, B, ±10% GRM188B11H332KA01D MURATA 1608
1 C9 Ceramic Capacitor 0.01µF 50V, B, ±10% GRM188B11H103KA01D MURATA 1608
0 C10 Ceramic Capacitor - Not installed - - 1608
1 L1 Inductor 1.5µH
±30%, DCR=14.3mΩmax, 7.3A
CLF7045T-1R5N TDK 7269
1 R1 Resistor
30kΩ
1/10W, 50V, ±1% MCR03EZPFX3002 ROHM 1608
1 R2 Resistor
24kΩ
1/10W, 50V, ±1% MCR03EZPFX2402 ROHM 1608
1 R3 Resistor
9.1kΩ
1/10W, 50V, ±1% MCR03EZPFX9101 ROHM 1608
1 R4 Resistor
10kΩ
1/10W, 50V, ±1% MCR03EZPFX1002 ROHM 1608
2 R5, R7 Resistor
0Ω
Jumper MCR03EZPJ000 ROHM 1608
0 R6 Resistor - Not installed - - 1608
PH-1x03SG USECONN -
61300311121 Wurth Electronics Inc. -
1 U1 IC - Buck DC/DC Converter BD9A301MUV-LB ROHM VQFN016V3030
TB111-2-2-U-1-1
Alphaplus Connectors & Cables
-
OSTTC022162
On Shore Technology Inc
-
MJ254-6BK USECONN -
969102-0000-DA 3M -
1 - Jumper - Jumper pin for SW1
2 J1, J2 Terminal Block - 2 contacts, 15A, 14 to 22AWG
1 SW1 Pin header - 2.54mm × 3 contacts
Reference
Designator
Count
Manufacturer
Part Number
Manufacturer
Configuration
(mm)
Type Value Description
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