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BD92111F PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 BD92111F
기능 White LED Driver
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BD92111F 데이터시트, 핀배열, 회로
Datasheet
PFC Direct current resonance type
White LED Driver for Large LCD
BD92111F
General Description
BD92111F is a current resonance type LED Driver with
frequency-controlled LED current. It can connect to PFC
directly and can use half-bridge structure reducing the
number of external components.
It incorporates some protection functions against fault
conditions such as Over-Voltage Protection and LED
Open Detection (IS Low Detection).
Features
20V High Rating Process
1 Channel Push-pull Control
Current and Voltage Feedback by Driving
Frequency
Adjustable Soft Start
Adjustable Timer Latch
Under-Voltage Detection for IC’s Power Line
Output Over-Voltage Protection
Output Error Signal from FAIL Terminal
Shift to Save Mode by STB Terminal
Burst Control by External PWM Signal
Key Specifications
Operating Power Supply Voltage Range:
8.0V to 18.0V
Minimum Oscillator Frequency:
65.8kHz
(RRT=22kΩ,RADJ=36kΩ,VFB=3.2V)
Operating Current:
2.3mA (Typ)
Operating Temperature Range: -40°C to +85°C
Package
SOP18
W(Typ) x D(Typ) x H(Max)
11.20mm x 7.80mm x 2.01mm
Pin pitch 1.27mm
Applications
TV, Computer Display, LCD Backlighting.
Typical Application Circuit
VCC
GND
PDIM
STB
PWM
GND
ERR
VCC
PDIM
ON/OFF
PWMIN
FAIL
< Primary Side >
PVIN
GND
T1
Figure. 1 SOP18
CSS CSDON
RADJ
CFBV S
CFBIS
RRT
RFBV S
RFBIS
CCP
RS
< Secondary Side >
Figure. 2 Typical Application Circuit(s)
Product structure : Silicon monolithic integrated circuit
.www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ22111 14 001
This product has no designed protection against radioactive rays
1/24
TSZ02201-0F5F0C100090-1-2
31.Jan.2016 Rev.001




BD92111F pdf, 반도체, 판매, 대치품
BD92111F
Electrical Characteristics (Unless otherwise specified Ta=25°C, VCC=12V)
Parameter
Symbol
Limit
Min Typ Max
Whole Device
Circuit Current
ICC1 2.3 5.0
Circuit Current at Stand-by
STB Block
STB Pin High Voltage
STB Pin Low Voltage
VCC UVLO Block
VCC Operation Voltage
VCC UVLO Hysteresis
OSC Block
RT Terminal voltage
PWMIN Block
PWMIN Pin High Voltage
PWMIN Pin Low Voltage
Soft Start Block
Setting Current for Soft Start Timer
Soft Start Ended Voltage
Feed Back Block
IS Threshold Voltage
VS Threshold Voltage
IS Source Current 1
IS Source Current 2
VS Source Voltage
IS COMP Detection Voltage
ICC2
VSTH
VSTL
VVCCUVP
VVCCUVP
VRT
VPWMINH
VPWMINL
ISS
VSSEND
VIS
VVS
IIS1
IIS2
IVS
VISCOMP
2.0
-0.3
6.17
0.37
1.05
0
6.50
0.50
1.50
20
VCC
+0.8
6.83
0.63
1.95
2.0 - 5.0
-0.3 - +0.8
1.5
2.8
1.225
1.212
40
0.606
2.0 2.5
3.0 3.2
1.250
1.250
50
0.625
1.275
1.288
0.9
60
0.9
0.644
Unit Conditions
mA
fOUT=60kHz,
VPWMCOMP=0V
µA VSTB=0V
V System ON
V System OFF
V
V
V
V
V
µA
V
V
V
µA VPWMIN=2.5V
µA VPWMIN=0V, VIS=1.0V
µA
V
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ22111 15 001
4/24
TSZ02201-0F5F0C100090-1-2
31.Jan.2016 Rev.001

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BD92111F 전자부품, 판매, 대치품
BD92111F
I/O Equivalent Circuits
STB
VCC
STB
160KΩ
300KΩ
GND
130KΩ
50KΩ
GND
GND GND
IS
REF
VCC
1KΩ
IS
10KΩ
REF REF
GND GND
GND
CP
GND
REF
REF VCC
350Ω
CP
GND GND
GND
SS
REF
REF VCC
350Ω
SS
GND
GND
GND
COMP
REF
COMP
100KΩ
GND
GND
GND
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ22111 15 001
RT
REF REF
VCC
RT
GND
GND
VS
REF
100KΩ
VS
GND
GND
PWMIN
VCC
PWMIN
100KΩ
FB
10KΩ
REF
20Ω
FB
GND
GND GND
GND
PWMCMP
REF
REF
GND
GND
GND
REF
10KΩ
REF
20Ω
100kΩ
PWMCMP
GND GND GND
GND
SDON
REF VCC
350Ω
SDON
GND GND
GND
FAIL
50Ω
FAIL
GND
GND
GND
COMPSD
REF
COMPSD
100KΩ
GND GND
N2
VCC
VCC
90KΩ
N2
PGND PGND PGND
Figure. 5 I/O equivalent circuit
7/24
GND
GND
GND
N1
VCC
VCC
90KΩ
N1
PGND PGND PGND
TSZ02201-0F5F0C100090-1-2
31.Jan.2016 Rev.001

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부품번호상세설명 및 기능제조사
BD92111F

White LED Driver

ROHM
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