參數(shù)資料
型號(hào): BU27TA2WNVX
元件分類: 固定正電壓?jiǎn)温份敵鯨DO穩(wěn)壓器
英文描述: 2.7 V FIXED POSITIVE LDO REGULATOR, PDSO4
封裝: 1.20 X 1.60 MM, 0.60 MM HEIGHT, ROHS COMPLIANT, SSON-4
文件頁(yè)數(shù): 7/30頁(yè)
文件大?。?/td> 1661K
代理商: BU27TA2WNVX
Technical Note
15/29
BUTA2WNVX series, BUTA2WHFV series
www.rohm.com
2011.01 - Rev.C
2011 ROHM Co., Ltd. All rights reserved.
Fig. 92 Output Voltage
Fig. 93 Line Regulation
Fig. 101 VOUT vs Temp
Reference data BU28TA2WNVX / HFV (Unless otherwise specified, Ta=25℃)
Fig. 94 Circuit Current IGND
Fig. 96 STBY Input Current
Fig. 97 IOUT - IGND
Fig. 103 IGND vs Temp (STBY)
Fig. 102 IGND vs Temp
Fig. 98 Load Regulation
Fig. 100 STBY Threshold
Fig. 99 OCP Threshold
Fig. 95 Dropout Voltage
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
00.511.52
2.533.544.555.5
Vin Voltage (V)
O
ut
put
V
ol
tag
e
(
V
)
Temp.=25°C
IO=0uA
IO=100uA
IO=50mA
IO=200mA
VIN = STBY
2.75
2.76
2.77
2.78
2.79
2.80
2.81
2.82
2.83
2.84
2.85
2.7
2.8
2.9
3
3.1
3.2
Vin Voltage (V)
O
ut
put
V
ol
tage
(
V
)
Temp.=25°C
IO=0uA
IO=100uA
IO=50mA
IO=200mA
VIN = STBY
0
20
40
60
80
100
00.5 11.5 22.5 33.5 44.5 55.5
Vin Voltage (V)
G
nd
C
ur
rent
(
uA
)
Temp.=-40°C
Temp.=25°C
Temp.=85°C
IO=0uA
VIN = STBY
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0
0.05
0.1
0.15
0.2
Output Current (A)
D
ro
pou
tV
ol
tage
(
V
)
VIN=0.98 x VOUT
STBY = 1.5V
Temp.=-40°C
Temp.=25°C
Temp.=85°C
0
2
4
6
8
10
00.51
1.5
22.5
33.54
4.5
55.5
STBY Voltage (V)
ST
B
Y
C
ur
re
nt
(
uA
)
Temp.=85°C
Temp.=25°C
Temp.=-40°C
VIN = STBY
40
50
60
70
80
90
100
110
120
0
0.05
0.1
0.15
0.2
Output Currnt (A)
G
nd
C
ur
rent
(
uA
)
VIN = 3.8V
STBY = 1.5V
Temp.=85°C
Temp.=25°C
Temp.=-40°C
2.75
2.76
2.77
2.78
2.79
2.80
2.81
2.82
2.83
2.84
2.85
0
0.05
0.1
0.15
0.2
Output Currnt (A)
O
ut
pu
tV
ol
tag
e
(V
)
Temp.=-40°C
Temp.=25°C
Temp.=85°C
VIN = 3.8V
STBY = 1.5V
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.50
0
0.1
0.2
0.3
0.4
0.5
0.6
Output Current (A)
O
ut
put
V
ol
tage
(
V
)
VIN=5.5V
STBY = 1.5V
VIN=3.8V
VIN=3.3V
Temp=25°C
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.50
00.5
11.5
STBY Voltage (V)
O
ut
put
V
ol
tag
e(
V
)
VIN=3.8V
Temp.=85°C
Temp.=25°C
Temp.=-40°C
2.75
2.76
2.77
2.78
2.79
2.80
2.81
2.82
2.83
2.84
2.85
-40
-15
10
35
60
85
Temp. (°C)
O
ut
put
V
ol
tag
e(
V
)
VIN=3.8V
STBY=1.5V
Io=0.1mA
0.00
10.00
20.00
30.00
40.00
50.00
-40
-15
10
35
60
85
Temp. (°C)
G
nd
C
ur
ren
t(
uA
)
VIN=3.8V
STBY=1.5V
Io=0mA
-0.100
0.000
0.100
0.200
0.300
0.400
0.500
0.600
0.700
0.800
0.900
1.000
-40
-15
10
35
60
85
Temp. (°C)
G
nd
C
ur
ren
t(
uA
)
VIN=3.8V
STBY=0V
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