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BU33DV7NUX-E2 数据表(PDF) 2 Page - Rohm

部件名 BU33DV7NUX-E2
功能描述  1.8V to 5.5V, 300mA 1ch Synchronous Boost DC/DC Converter
Download  27 Pages
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制造商  ROHM [Rohm]
网页  http://www.rohm.com
标志 ROHM - Rohm

BU33DV7NUX-E2 数据表(HTML) 2 Page - Rohm

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BU33DV7NUX
TSZ02201-0Q1Q0AH00110-1-2
© 2012 ROHM Co., Ltd. All rights reserved.
02.Aug.2012 Rev.001
TSZ22111・15・001
www.rohm.com
●Absolute maximum ratings(Ta=25℃)
Parameter
Symbol
Ratings
Unit
Condition
Maximum applied voltage
Vmax
7.0
V
Power dissipation1
Pd1
464 (Note1)
mW
1layer(74.2x74.2mm)board
(Surface heat radiation copper foil:6.28mm )
Power dissipation2
Pd2
1440 (Note2)
mW
4layer(74.2x74.2mm)board
(1,4layer heat radiation copper foil:6.28mm )
(2,3layer heat radiation copper foil:5500mm )
Operating temperature range
Topr
-40 to +85
oC
Storage temperature range
Tstr
-55 to +125
oC
*1 When it is used by more than Ta=25℃, it is reduced by 4.64mW/℃.
*2 When it is used by more than Ta=25℃, it is reduced by 14.4mW/℃.
●Operating conditions
Parameter
Symbol
Ratings
Unit
Condition
Power supply voltage range
VCC
1.8 to 5.5
V
VIN terminal voltage
●Electrical characteristics [BU34DV7NUX]
(Unless otherwise specified Ta=25℃、VIN=2.4V)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Condition
Circuit current1(EN=0V)
ICC1A
-
1.6
4.5
µA
EN=0V,MODE=0V
Circuit current2(EN=0V)
ICC2A
-
0.3
1.5
µA
EN=0V,MODE=VIN
Circuit current1 no switching
(EN=VIN,VOUT=5V)
ICC1B
-
140
250
µA
EN=VIN,MODE=0V,
VOUT=5.0V (not include SW)
Circuit current2 no switching
(EN=VIN,VOUT=5V)
ICC2B
-
25
50
µA
EN=VIN,MODE=VIN,
VOUT=5.0V (not include SW)
Circuit current1(EN=VIN)
ICC1C
-
3.5
-
mA
EN=VIN,MODE=0V, Io=0mA
Circuit current2(EN=VIN)
ICC2C
-
30
-
µA
EN=VIN,MODE=VIN, Io=0mA
Oscillation frequency
Fsw
0.5
0.6
0.7
MHz
Output voltage range
Vout
3.23
3.3
3.37
V
Io=1mA
Current limit
Ilim
1.4
1.85
2.2
A
DC - Current
EN Input High
VIH_EN
0.9
-
-
V
EN Input Low
VIL_EN
-
-
0.2
V
MODE Input High
VIH_MODE
0.9
-
-
V
MODE Input Low
VIL_MODE
-
-
0.2
V
RSTBO output low voltage
Vrstol
-
0.1
0.2
V
Ioi=100uA,MODE=0V
RSTBO output high voltage
Vrstoh
VIN-0.2
VIN-0.1
-
V
Ioi=-100uA,MODE=0V
RSTBC output resistance
Rrstbc
450
600
750
kΩ
SWN1 switch on resistance
Rswn1
-
90
-
mΩ
VOUT=3.3V
SWP1 switch on resistance
Rswp1
-
160
-
mΩ
SWN2 switch on resistance
Rswn2
-
1.0
-
kΩ
MODE=VIN,EN=0V
SWP2 switch on resistance
Rswp2
-
60
-
MODE=0V,EN=0V
UVLO Release Threshold
VuvloR
1.9
2.0
2.1
V
VIN rising
UVLO Detect Threshold
VuvloD
1.75
1.8
1.85
V
VIN falling
UVLO Hysteresis
Vuvlohys
-
0.2
-
V
VIN Thru
Vinthru
3.2
3.3
3.4
V
VIN Thru Hysteresis
Vinthruhys
20
50
80
mV
2
2
2
2


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