BD9884FV-E2 Rohm Semiconductor, BD9884FV-E2 Datasheet - Page 3

• Manufacturer Part Number: BD9884FV-E2
• Description: IC INVERTER CONTROL SSOP-B20
• Manufacturer: Rohm Semiconductor
• Series: -r

Specifications of BD9884FV-E2

• Applications: LCD Display
• Current - Supply: 9mA
• Voltage - Supply: 5 V ~ 11 V
• Operating Temperature: -35°C ~ 85°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
FB1
VS1
FB2
VS2
IS1
IS2
SS
〇Package Dimensions
〇Block Diagram
BLOCK
BLOCK
STB
BLOCK①
BLOCK②
REG
VCC
F/B
F/B
COMP1 COMP2
１
REG VREF
SYSTEM ON/OFF
PROTECT
BLOCK
BD9884FV
SSOP-B28 (Unit:mm)
(Include BURR 10.35)
SCP
CT
SS
CT
SS
SRT
BLOCK①
BLOCK②
PWM
PWM
CT
OSC
RT
BLOCK
UVLO
BRT BCT
BOSC
BLOCK
BLOCK
LOGIC
LOGIC
①
②
Lot No.
Device Mark
VCC
BLOCK
DUTY
DUTY
OUTPUT
BLOCK①
OUTPUT
BLOCK②
VCC
VCC
REV. D
PGND
FAIL
UVLO
P1
N1
P2
N2
Pin No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
〇Pin Description
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 voltage for ISNECE,VSENCE error
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
Function
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