參數(shù)資料
型號： BU4947F
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4
封裝： ROHS COMPLIANT, SOP-4
文件頁數(shù)： 2/9頁
文件大?。?/td> 277K
代理商： BU4947F
Technical Note
2/8
BU48□□G Series, BU48□□F Series, BU48□□FVE Series,
BU49□□G Series, BU49□□F Series, BU49□□FVE Series
www.rohm.com
2011.03 - Rev.D
2011 ROHM Co., Ltd. All rights reserved.
●
Absolute maximum ratings (Ta=25℃)
Parameter
Symbol
Limits
Unit
Power Supply Voltage
VDD-GND
-0.3 ~ +7
V
Output Voltage
Nch Open Drain Output
VOUT
GND-0.3 ~ +7
V
CMOS Output
GND-0.3 ~ VDD+0.3
Power
Dissipation
SSOP5
*1*4
Pd
540
mW
SOP4
*2*4
400
VSOF5
*3*4
210
Operating Temperature
Topr
-40 ~ +125
℃
Ambient Storage Temperature
Tstg
-55 ~ +125
℃
*1 When used at temperatures higher than Ta=25℃, the power is reduced by 5.4mW per 1℃ above 25℃.
*2 When used at temperatures higher than Ta=25℃, the power is reduced by 4.0mW per 1℃ above 25℃.
*3 When used at temperatures higher than Ta=25℃, the power is reduced by 2.1mW per 1℃ above 25℃.
*4 When a ROHM standard circuit board (70mm×70mm×1.6mm, glass epoxy board)is mounted.
●
Electrical characteristics
Parameter
Symbol
Condition
Limit
Unit
Min.
Typ.
Max.
Detection Voltage
VDET
VDD=HL , Ta=25℃
RL=470k
BU4848
4.752
4.800
4.848
V
BU4847
4.653
4.700
4.747
BU4846
4.554
4.600
4.646
BU4845
4.455
4.500
4.545
BU4844
4.356
4.400
4.444
BU4843
4.257
4.300
4.343
BU4842
4.158
4.200
4.242
BU4841
4.059
4.100
4.141
BU4840
3.960
4.000
4.040
BU4839
3.861
3.900
3.939
BU4838
3.762
3.800
3.838
BU4837
3.663
3.700
3.737
BU4836
3.564
3.600
3.636
BU4835
3.465
3.500
3.535
BU4834
3.366
3.400
3.434
BU4833
3.267
3.300
3.333
BU4832
3.168
3.200
3.232
BU4831
3.069
3.100
3.131
BU4830
2.970
3.000
3.030
BU4829
2.871
2.900
2.929
BU4828
2.772
2.800
2.828
BU4827
2.673
2.700
2.727
BU4826
2.574
2.600
2.626
BU4825
2.475
2.500
2.525
BU4824
2.376
2.400
2.424
BU4823
2.277
2.300
2.323
BU4822
2.178
2.200
2.222
BU4821
2.079
2.100
2.121
BU4820
1.980
2.000
2.020
BU4819
1.881
1.900
1.919
BU4818
1.782
1.800
1.818
BU4817
1.683
1.700
1.717
BU4816
1.584
1.600
1.616
BU4815
1.485
1.500
1.515
BU4814
1.386
1.400
1.414
BU4813
1.287
1.300
1.313
BU4812
1.188
1.200
1.212
BU4811
1.089
1.100
1.111
BU4810
0.990
1.000
1.010
BU4809
0.891
0.900
0.909
Detection Voltage
Temperature Coefficient
VDET/T Ta=-40℃~125℃
*1
-
±30
-
ppm/℃
Hysteresis Voltage
VDET
VDD=LHL
Ta=-40℃~125℃
RL=470k
VDET≤1.0V
VDET
×0.03
VDET
×0.05
VDET
×0.08
V
VDET≥1.1V
VDET
×0.03
VDET
×0.05
VDET
×0.07
*1
Designed Guarantee.(Outgoing inspection is not done on all products.)
*
This product is not designed for protection against radioactive rays.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BU4947F-TR 制造商:ROHM Semiconductor 功能描述:IC; CMOS VOLTAGE DETECTOR - Tape and Reel 制造商:Rohm 功能描述:Tape & Reel 制造商:ROHM Semiconductor 功能描述:IC VOLT DETECTOR STD 4-SOP 制造商:ROHM Semiconductor 功能描述:IC CMOS VOLT DETECT
BU4947FVE 制造商:ROHM 制造商全稱:Rohm 功能描述:Low Voltage Detector IC
BU4947FVE-TR 制造商:ROHM Semiconductor 功能描述:IC, CMOS VOLTAGE DETECTOR - Tape and Reel 制造商:ROHM Semiconductor 功能描述:IC VOLT DETECTOR STD 5-VSOF
BU4947G 制造商:ROHM 制造商全稱:Rohm 功能描述:Low Voltage Detector IC
BU4947G-TR 制造商:ROHM Semiconductor 功能描述:IC; CMOS VOLTAGE DETECTOR - Tape and Reel 制造商:Rohm 功能描述:Tape & Reel 制造商:ROHM Semiconductor 功能描述:IC VOLT DETECTOR STD 5-SSOP 制造商:ROHM Semiconductor 功能描述:IC CMOS VOLT DETECT
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