BD9882F_09 ROHM [Rohm], BD9882F_09 Datasheet - Page 3

• Manufacturer Part Number: BD9882F_09
• Description: Silicon Monolithic Integrated Circuit
• Manufacturer: ROHM [Rohm]

GND
STB
REG
VS
FB
IS
〇Package Dimensions
〇Block Diagram
BLOCK
STB
SS
-
１
-
+
+
BLOCK
Reg
VCC
SYSTEM ON/OFF
(Include BURR 12.85)
SOP20 (Unit:mm)
BLOCK
BD9882F
F/B
VS
IS
COMP
VCC
CT
BLOCK
PWM
OSC
-
+
UVLO
RT
PROTECT
BLOCK
SCP
BRT BCT
BOSC
SRT
BLOCK
LOGIC
DUTY
-
+
OUTPUT
BLOCK
Device Mark
VCC
Lot No.
REV. A
N1
N2
PGND
FAIL
〇Pin Description
Pin No.
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
Name
DUTY
COMP
PGND
FAIL
Pin
BRT
BCT
SRT
GND
STB
REG
SCP
Vcc
RT
CT
FB
IS
VS
SS
N2
N1
SSOP-B20 (Unit:mm)
Control PWM mode and BURST mode
External resistor from BRT to GND for
adjusting the BURST triangle oscillator
External capacitor from BCT to GND for
adjusting the BURST triangle oscillator
External resistor from SRT to RT for
adjusting the triangle oscillator
External resistor from SRT to RT for
adjusting the triangle oscillator
External capacitor from CT to GND for
adjusting the triangle oscillator
GROUND
Error amplifier output
Error amplifier input①
Error amplifier input②
Stand-by switch
Under, over voltage detect
Internal regulator output
External capacitor from SS to GND for Soft
Start Control
External capacitor from SCP1 to GND for
Timer Latch
FET driver
Ground for FET drivers
FET driver
Protect clock output
Supply voltage input
BD9882FV
Function
3/4