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BD9244AFV Ver la hoja de datos (PDF) - ROHM Semiconductor

Número de pieza
componentes Descripción
Fabricante
BD9244AFV
ROHM
ROHM Semiconductor ROHM
BD9244AFV Datasheet PDF : 5 Pages
1 2 3 4 5
○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.)
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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