BU28TA2WHFV Просмотр технического описания (PDF) - ROHM Semiconductor
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Компоненты Описание
производитель
BU28TA2WHFV Datasheet PDF : 33 Pages
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BUTA2WNVX series, BUTA2WHFV series
●Reference data BU30TA2WNVX / HFV (Unless otherwise specified, Ta=25℃)
3.5
3.0
2.5
2.0
IO=0uA
1.5
IO=100uA
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. 121 Output Voltage
3.05
3.04
IO=0uA
3.03
IO=100uA
IO=50mA
3.02
IO=200mA
3.01
3.00
2.99
2.98
2.97
Temp.=25°C
2.96
VIN=STBY
2.95
2.9
3
3.1
3.2
3.3
3.4
3.5
Vin Voltage (V)
Fig. 122 Line Regulation
Technical Note
100
80
60
40
Temp.=-40°C
20
Temp.=25°C IO=0uA
Temp.=85°C 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. 123 Circuit Current IGND
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0
Temp.=85°C
Temp.=25°C
Temp.=-40°C
VIN=0.98*VOUT
STBY=1.5V
0.05
0.1
0.15
0.2
Output Current (A)
Fig. 124 Dropout Voltage
3.05
3.04
3.03
Temp.=25°C
3.02
3.01
3.00
2.99
2.98
2.97 Temp.=-40°C
2.96
VIN=4.0V
STBY=1.5V
Temp.=85°C
2.95
0
0.05
0.1
0.15
0.2
Output Current (A)
Fig. 127 Load Regulation
3.05
3.04
VIN=4.0V
STBY=1.5V
3.03
Io=0.1mA
3.02
3.01
3.00
2.99
2.98
2.97
2.96
2.95
-40
-15
10
35
60
85
Temp. (°C)
Fig. 130 VOUT vs Temp
10
8
Temp.=85°C
6
Temp.=25°C
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
STBY Voltage (V)
Fig. 125 STBY Input Current
3.50
3.00
2.50
2.00
1.50
1.00
0.50
0.00
0
VIN=5.5V
VIN=4.0V
VIN=3.5V
Temp.=25°C
STBY=1.5V
0.1
0.2
0.3
0.4
0.5
0.6
Output Current (A)
Fig.128 OCP Threshold
50.00
40.00
30.00
20.00
10.00
0.00
-40
VIN=4.0V
STBY=1.5V
Io=0mA
-15
10
35
60
85
Temp. (°C)
Fig. 131 IGND vs Temp
120
110
100
90
80
70
60
50
40
0
Temp.=25°C
Temp.=85°C
Temp=-40°C
0.05
0.1
0.15
0.2
Output Current (A)
Fig. 126 IOUT - IGND
3.50
VIN=4.0V
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. 129 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=4.0V
STBY=0V
Io=0mA
-15
10
35
60
85
Temp. (°C)
Fig. 132 IGND vs Temp (STBY)
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18/29
2011.01 - Rev.C
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