BD8624EFV ROHM [Rohm], BD8624EFV Datasheet - Page 4

• Manufacturer Part Number: BD8624EFV
• Description: Built-in 1ch FET Synchronous Rectification Type DC/DC converters
• Manufacturer: ROHM [Rohm]

● Block diagram
●
※Please give to VCC+0.3V as an operation condition in all input terminals except the terminal BOOT.
Terminal explanation
However, please do not exceed the absolute maximum rating as VCC=PVCC.
No.
10
12
11
1
2
3
4
5
6
7
8
9
VREG5
Symbol
PGND
PGND
BOOT
GND
N.C.
N.C
SW
SW
FC
SS
FB
Soft start adjustment capacity connection terminal
Internal power supply (5.0V) output terminal
High side Power MOS gate drive
TEST2
TEST1
RSET
PDET
PVCC
PVCC
Phase amends terminal
VCC
PIO
CTL
N.C.
N.C.
power source terminal
Power GND terminal
Power GND terminal
RT
No wire connection.
(Connect to GND. )
No wire connection.
(Connect to GND. )
Feedback terminal
Figure-2 Block diagram・Application diagram
SW terminal
SW terminal
Description
PROTECT
GND
OSC
time
BUS
CTL
I/F
OSC
Table 1 Terminal explanation
Control
SEQ
OPEN/SHORT
Control
Driver
RT
4 / 14
OVP
LVP
OSC
No.
13
14
15
16
17
18
19
20
21
22
23
24
VREF
VREG5
TEST2
TEST1
Symbol
ＰＤＥＴ
PVCC
PVCC
RSET
VCC
CTL
N.C.
N.C.
PＩＯ
RT
BOOT
GND
VREG5
SW
N.C.
N.C.
PGND
PGND
SS
FB
FC
SW
Off latch effective time adjustment resistance terminal
Frequency adjustment resistance connection terminal
and external IC error detection terminal
Test terminal (Connect to GND. )
Test terminal (Connect to GND. )
Error state notification terminal
VCC power supply terminal
Error state notification
Power VCC terminal
Power VCC terminal
No wire connection.
No wire connection.
(Connect to GND. )
(Connect to GND. )
Enable input
Description