BD9885FV-E2 Rohm Semiconductor, BD9885FV-E2 Datasheet - Page 3

• Manufacturer Part Number: BD9885FV-E2
• Description: IC INVERTER CONTROL SSOP-B20
• Manufacturer: Rohm Semiconductor
• Series: -r

Specifications of BD9885FV-E2

• Applications: LCD Display
• Current - Supply: 11mA
• Voltage - Supply: 5 V ~ 14 V
• Operating Temperature: -40°C ~ 90°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP (0.173", 4.40mm Width)
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

STB
GND
VS1
VS2
FB1
FB2
IS1
IS2
〇Package Dimensions
SS
〇Block Diagram
BLOCK
BLOCK
BLOCK①
BLOCK②
STB
VCC
REG
F/B
F/B
１
COMP1 COMP2
REG VREF
SYSTEM ON/OFF
BD9885FV
SSOP-B28 (Unit:mm)
(Include BURR 10.35)
PROTECT
BLOCK
SCP
SS
CT
SS
CT
SRT
BLOCK①
BLOCK②
PWM
PWM
CT
OSC
RT
BLOCK
UVLO
BRT BCT
BOSC
Lot No.
BLOCK
BLOCK
LOGIC
LOGIC
①
②
Device Mark
VCC
BLOCK
DUTY
DUTY
OUTPUT
BLOCK①
OUTPUT
BLOCK②
VCC
VCC
REV. B
FAIL
PGND
UVLO
P1
N1
P2
N2
〇Pin Description
Pin No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
Pin Name
COMP1
COMP2
DUTY
VREF
FAIL
UVLO
PGND
BRT
BCT
SRT
GND
FB1
IS1
VS1
FB2
IS2
VS2
STB
REG
SCP
VCC
RT
CT
SS
P2
N2
N1
P1
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 output①
Error amplifier input①
Error amplifier input②
Error amplifier output②
Error amplifier input③
Error amplifier input④
Reference
amplifier
Protect clock output
Stand-by switch
Under, over voltage detect for 1ch
Under, over voltage detect for 2ch
External Under Voltage Lock OUT
Internal regulator output
External capacitor from SS to GND for Soft
Start Control
External capacitor from SCP to GND for Timer
Latch
FET driver for 2ch
FET driver for 2ch
Ground for FET drivers
FET driver for 1ch
FET driver for 1ch
Supply voltage input
voltage
Function
for
ISNECE
3/4
error