BU28TA2WNVX(2009) Просмотр технического описания (PDF) - ROHM Semiconductor
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Компоненты Описание
производитель
BU28TA2WNVX Datasheet PDF : 28 Pages
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BUTA2WNVX Series, BUTA2WHFV Series
●Reference data BU33TA2WNVX / HFV (Unless otherwise specified, Ta=25℃)
Technical Note
3.5
3.0
2.5
2.0
IO=0uA
IO=100uA
1.5
IO=50mA
1.0
IO=200mA
0.5
Temp.=25°C
VIN = STBY
0.0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Vin Voltage (V)
Fig. 150 Output Voltage
0.35
0.30
Temp.=85°C
0.25
0.20
Temp.=25°C
0.15
Temp.=-40°C
0.10
0.05
0.00
0
VIN=0.98 x VOUT
STBY = 1.5V
0.05
0.1
0.15
0.2
Output Current (A)
Fig. 153 Dropout Voltage
3.35
3.34
3.33
3.32
Temp.=25°C
Temp.=-40°C
3.31
3.30
3.29
3.28
Temp.=85°C
3.27
3.26
VIN = 4.3V
STBY = 1.5V
3.25
0
0.05
0.1
0.15
0.2
Output Current (A)
Fig. 156 Load Regulation
3.35
3.34
3.33
3.32
3.31
3.30
3.29
3.28
3.27
3.26
3.25
-40
VIN=4.3V
STBY=1.5V
Io=0.1mA
-15
10
35
60
85
Temp. (°C)
Fig. 159 VOUT vs Temp
3.35
3.34
3.33
3.32
3.31
3.30
3.29
3.28
3.27
3.26
3.25
3.2
IO=0uA
IO=100uA
IO=50mA
IO=200mA
Temp=25°C
VIN = STBY
3.3
3.4
3.5
3.6
3.7
Vin Voltage (V)
Fig. 151 Line Regulation
100
80
60
40
Temp.=-40°C
20
Temp.=25°C
Temp.=85°C
IO=0uA
VIN = STBY
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Vin Voltage (V)
Fig. 152 Circuit Current IGND
10
8
Temp.=85°C
Temp.=25°C
6
Temp.=-40°C
4
2
VIN = STBY
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
VSTBY Voltage (V)
Fig. 154 STBY Input Current
3.50
3.00
2.50
2.00
1.50
1.00
0.50
0.00
0
VIN=5.5V
VIN=3.8V
VIN=4.3V
STBY = 1.5V
Temp=25℃
0.1
0.2
0.3
0.4
0.5
0.6
Output Current (A)
Fig. 157 OCP Threshold
50.00
40.00
30.00
20.00
10.00
0.00
-40
-15
10
35
Temp. (°C)
VIN=4.3V
STBY=1.5V
Io=0mA
60
85
Fig. 160 IGND vs Temp
120
110
100
90
80
70
60
50
40
0
Temp.=85°C
Temp.=25°C
Temp.=-40°C
VIN = 4.3V
STBY = 1.5V
0.05
0.1
0.15
0.2
Output Current (A)
Fig. 155 IOUT - IGND
3.50
VIN=4.3V
3.00
2.50
2.00
1.50
1.00
Temp.=85°C
Temp.=25°C
0.50
Temp.=-40°C
0.00
0
0.5
1
1.5
STBY Voltage (V)
Fig. 158 STBY Threshold
1.000
0.900
0.800
0.700
0.600
0.500
0.400
0.300
0.200
0.100
0.000
-0.100
-40
VIN=4.3V
STBY=0V
-15
10
35
60
85
Temp. (°C)
Fig. 161 IGND vs Temp (STBY)
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© 2009 ROHM Co., Ltd. All rights reserved.
20/27
2009.05 - Rev.B
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