파트넘버.co.kr BD9244AFV 데이터시트 PDF


BD9244AFV 반도체 회로 부품 판매점

Silicon Monolithic Integrated Circuit



ROHM Semiconductor 로고
ROHM Semiconductor
BD9244AFV 데이터시트, 핀배열, 회로
STRUCTURE
NAME OF PRODUCT
Silicon Monolithic Integrated Circuit
DC-AC Inverter Control IC
TYPE
FUNCTION
BD9244AFV
・ 36V High voltage process
・ 1ch control with Full-Bridge
・ Lamp current and voltage sense feed back control
・ Sequencing easily achieved with Soft Start Control
・ Short circuit protection with Timer Latch
・ Under Voltage Lock Out and Over Voltage Protection
・ Mode-selectable the operating or stand-by mode by stand-by pin
・ BURST mode controlled by PWM and DC input
○Absolute Maximum Ratings(Ta=25℃)
Parameter
Symbol
Limits
Unit
Supply Voltage
VCC 36
V
BST PIN
BST 40
V
SW PIN
BST-SW voltage difference
SW
BST-SW
36
15
V
V
Operating Temperature Range
Topr
-40~+85
Storage Temperature Range
Tstg
-55~+150
Maximum Junction Temperature
Tjmax
+150
Power Dissipation
Pd 1024* mW
*Pd derate at 5.6mW/℃ for temperature above Ta = 25℃ (When mounted on a PCB 70.0mm×70.0mm×1.6mm)
1/4
〇Operating condition
Parameter
Supply voltage
BST voltage
BST-SW voltage difference
oscillation frequency
BCT oscillation frequency
Symbol
VCC
BST
BST-SW
FOUT
fBCT
Limits
9.0~30.0
5.0~37.5
5.0~14.0
30~110
0.05~1.00
Unit
V
V
V
kHz
kHz
www.DataSheet4U.com
REV. A


BD9244AFV 데이터시트, 핀배열, 회로
○Electric Characteristics(Ta=25℃、VCC=24V、STB=3.0V)
Parameter
((WHOLE DEVICE))
Operating current
Stand-by current
((STAND BY CONTROL))
Stand-by voltage H
Stand-by voltage L
((VCC UVLO BLOCK))
Operating voltage (VCC)
Hesteresis width (VCC UVLO)
Operating voltage (UVLO)
Hesteresis width(UVLO)
Operating voltage (OVP)
Hesteresis width(OVP)
((REG BLOCK))
REG output voltage
REG source current
((OSC BLOCK)
RT Output Voltage
SRT ON Resistor value
((SOFT START BLOCK))
Soft start time
((BOSC BLOCK))
BOSC Max voltage
BOSC Min voltage
BOSC frequency
((FEED BACK BLOCK))
IS threshold voltage
VS threshold voltage
IS source current 1
IS source current 2
VS source current
IS COMP detect voltage
((OUTPUT BLOCK))
LN output sink resistance
LN output source resistance
HN output sink resistance
HN output source resistance
MAX DUTY
OFF period
Drive output frequency
((TIMER LATCH BLOCK)
CP timer latch detect voltage
CP timer latch charge current
FAIL ON Resistor value
((COMP BLOCK))
COMP over voltage detect voltage
Hysteresis width (COMP)
Symbol
Icc1
Icc2
VstH
VstL
V_VCCUVP
V_VCCUVP
V_UVP
V_UVP
V_OVP
V_OVP
VREG
IREG
VRT
RSRT
TSS
VBCTH
VBCTL
FBCT
VIS1
VVS
IIS1
IIS2
IVS
VISCOMP
RsinkLN
RsourceLN
RsinkHN
RsourceHN
MAX DUTY
TOFF
FOUT
VCP
ICP
RFAIL
VCOMP
VCOMP
MIN.
2.0
-0.3
6.17
0.37
1.80
0.15
3.10
0.15
7.35
20
1.05
2.5
2.16
0.6
291
1.225
1.215
40
0.606
1.5
5
1.5
5
46.0
100
57.9
1.9
0.85
3.88
0.15
(This product is not designed to be radiation-resistant.)
www.DataSheet4U.com
Limits
TYP.
2.2
0
6.50
0.50
1.85
0.20
3.20
0.20
7.50
1.50
100
5.0
2.25
0.7
300
1.250
1.250
50
0.625
3
10
3
10
48.5
200
60
2.0
1.0
125
4.0
0.20
MAX.
5.0
10
VCC
1.0
6.83
0.63
1.90
0.25
3.30
0.25
7.65
1.95
200
Unit
Conditions
mA FOUT=60kHz, FB=SW=GND, BST=OPEN
μA
V System ON
V System OFF
V
V
V
V
V
V
V VCC>8.5V
mA
V
Ω
10.0
ms FOUT=60kHz
2.34
0.8
309
1.275
1.285
0.9
60
0.9
0.644
6
20
6
20
49.5
400
62.1
2.1
1.15
250
4.12
0.25
V fBCT=0.3kHz
V fBCT=0.3kHz
Hz BCT=10000pF
V
V
μA DUTY=2.45V
μA DUTY=0V IS=1.0V
μA
V
Ω
Ω
Ω VBST-VSW=7.0V
Ω VBST-VSW=7.0V
% FOUT=60kHz
ns
kHz RT=100kΩ
V
μA
Ω
V
V
2/4
REV. A




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Silicon Monolithic Integrated Circuit - ROHM Semiconductor