BD9211F Просмотр технического описания (PDF) - ROHM Semiconductor
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BD9211F Datasheet PDF : 5 Pages
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○Electrical Characteristics (VCC=12V, Ta=25℃)
Parameter
Symbol
（（WHOLE DEVICE））
Circuit current during operation
Circuit current during stand by operation
（（STAND BY CONTROL））
Stand-by voltage H
Stand-by voltage L
（（VCC UVLO BLOCK））
Operating voltage (VCC)
Hesteresis width (VCC UVLO)
（（OSC BLOCK））
RT Output Voltage
（（PWMIN BLOCK））
PWMIN pin H level input voltage range
PWMIN pin L level input voltage range
（（SOFT START BLOCK））
Set up current for soft start
Soft start end voltage
（（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））
N1 output sink resistance
N1 output source resistance
N2 output sink resistance
N2 output source resistance
MAX DUTY
N1-N2, N2-N1 OFF period
Drive output frequency
（（TIMER LATCH BLOCK）
CP timer latch detect voltage
CP timer latch charge current
SDON latch detect voltage
SDON latch charge current
（（COMP BLOCK））
COMP over voltage detect voltage
Hysteresis width （COMP）
COMPSD over voltage detect voltage
（（FAIL BLOCK））
FAIL ON Resistor value
Icc1
Icc2
VstbH
VstbL
V_VCCUVP
⊿V_VCCUVP
VRT
VPWMINH
VPWMINL
ISS
VSS_END
VIS
VVS
IIS1
IIS2
IVS
VISCOMP
Rsink_N1
Rsource_N1
Rsink_N2
Rsource_N2
MAX DUTY
TOFF
FOUT
VCP
ICP
VSDON
ISDON
VCOMP
⊿VCOMP
VCOMPSD
RFAILL
MIN.
－
－
2.0
-0.3
6.17
0.37
1.05
2.0
－0.3
1.5
2.8
1.225
1.212
－
40
－
0.606
1.5
4.5
1.5
4.5
43.0
100
57.9
1.90
0.85
1.90
0.85
3.88
0.15
3.88
-
（This product is not designed to be radiation-resistant.）
Limits
TYP.
2.3
0
－
－
6.50
0.50
1.50
-
-
2.0
3.0
1.250
1.250
－
50
－
0.625
3.0
9.0
3.0
9.0
45.0
200
60.0
2.00
1.00
2.00
1.00
4.00
0.20
4.00
100
Unit
MAX.
Conditions
5.0
mA FOUT=60kHz, PWMCMP=GND
20
μA
VSTB=0V
VCC
0.8
V System ＯＮ
V System ＯＦＦ
6.83
V
0.63
V
1.95
V RT=79 kΩ
5.0
V
0.8
V
2.5
uA
3.2
V
1.275
1.288
0.9
60
0.9
0.644
V
V
μA PWMIN=2.5V
μA PWMIN=0V, IS=1.0V
μA
V
6.0
Ω
18.0
Ω
6.0
Ω
18.0
Ω
47.0
% FOUT=60kHz
400
ns
62.1
kHz RT=79 kΩ
2.10
V
1.15
μA
2.10
V
1.15
μA
4.12
V
0.25
V
4.12
V
200
Ω
2/4
REV. A
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