BD9532EKN_08 Datasheet, PDF (17/21 Pages) Rohm – Switching Regulators for DDR-SDRAM Cores

●Evaluation Board Circuit (Frequency=300kHz application circuit for detecting DCR current in Continuous mode/SLLM)
4.5V～25V
VIN
VCC
5V
R2
VCC
EN
R18
SLLM
R19
VREG
ILIM
REF
R1
BD9532EKN
5 _VIN
VDD ¹²
4
EN
6 _SLLM
BOOT ¹⁵
19 _VREG
HG ¹⁴
SW ¹³
3
ILIM
20 _REF
17 _FS
7 _SCP
16 _SS
2 _VCC
1 _GND
LG ¹¹
PGND ¹⁰
Is+ ⁹
Is- ⁸
VOUT ¹⁸
R11
R10
R8
R4
GND
PGND
PGND
Q1
Q2
PGND PGND
L1
R6
C7
R3 _PGND
R5
VOUT
PGND PGND PGND
●Evaluation Board Parts List
Part
No
U1
Q1
Q2
D1
D2
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
R1
R2
R3
Value
1uF
10nF
100pF
Company
Part name
ROHM
ROHM
ROHM
ROHM
ROHM
KYOCERA
MURATA
MURATA
BD9532EKN
RSS100N03
RSS100N03
RB521S-30
RB051L-40
CM105B105K06A
GRM39X7R103K50
GRM39C0G101J50
10uF
0.1uF
0.1uF
10uF
10uF
1000pF
1500pF
1uF
100pF
10uF
KYOCERA
KYOCERA
KYOCERA
KYOCERA
KYOCERA
MURATA
MURATA
KYOCERA
MURATA
KYOCERA
CM21B106M06A
CM105B104K25A
CM105B104K25A
CT32X5R106K25A
CT32X5R106K25A
GRM39X7R102K50
GRM39X7R152K50
CM105B105K06A
GRM39C0G101J50
CM21B106M06A
330uF
68KΩ
0Ω
0Ω
SANYO
ROHM
ROHM
ROHM
6TPB330M
MCR03
MCR03
MCR03
Part
No
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
R15
R16
R17
R18
R19
R20
R21
R22
R23
R24
R25
R26
L1
Value Company
Part name
0Ω
ROHM
1kΩ
ROHM
0Ω
0Ω
0Ω
0Ω
51kΩ
200kΩ
68kΩ
180kΩ
1kΩ
0Ω
10kΩ
10kΩ
0Ω
0Ω
0Ω
ROHM
ROHM
ROHM
ROHM
ROHM
ROHM
ROHM
ROHM
ROHM
ROHM
ROHM
ROHM
ROHM
ROHM
ROHM
MCR03
MCR03
MCR03
MCR03
MCR03
MCR03
MCR03
MCR03
MCR03
MCR03
MCR03
MCR03
MCR03
MCR03
MCR03
MCR03
MCR03
0Ω
ROHM
MCR03
3.3uH NEC/TOKIN MPLC0730L3R3
17/20