BU28TA2WHFV Просмотр технического описания (PDF) - ROHM Semiconductor

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Компоненты Описание

производитель

BU28TA2WHFV

1ch 200mA CMOS LDO Regulators

ROHM Semiconductor 

BUTA2WNVX series, BUTA2WHFV series

●Reference data BU18TA2WNVX / HFV (Unless otherwise specified, Ta=25℃)

3.5

3.0

2.5

2.0

1.5

IO=0uA

1.0

IO=100uA

IO=50mA

0.5

IO=200mA

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. 34 Output Voltage

1.85

1.84

IO=0uA

1.83

IO=100uA

IO=50mA

1.82

IO=200mA

1.81

1.80

1.79

1.78

1.77

Temp=25°C

1.76

VIN = STBY

1.75

1.75

1.85

1.95

2.05

2.15

2.25

2.35

Vin Voltage (V)

Fig. 35 Line Regulation

Technical Note

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. 36 Circuit Current IGND

140

120

100

80

60

Temp=-40°C

40

Temp=25°C

20

Temp=85°C IO=200mA

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. 37 Circuit Current IGND

1.85

1.84

1.83

1.82

1.81

1.80

1.79

1.78

1.77

1.76

1.75

0

Temp=25°C

Temp=-40°C

Temp=85°C

VIN = 3.5V

STBY = 1.5V

0.05

0.1

0.15

0.2

Output Current (A)

Fig. 40 Load Regulation

1.85

1.84

1.83

1.82

1.81

1.80

1.79

1.78

VIN=3.5V

1.77

STBY=1.5V

1.76

Io=0.1mA

1.75

-40

-15

10

35

60

85

Temp (°C)

Fig. 43 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. 38 STBY Input Current

3.50

3.00

2.50

2.00

1.50

1.00

0.50

0.00

0.00

VIN=5.5V

VIN=3.5V

VIN=2.5V

Temp=25°C

STBY = 1.5V

0.10

0.20

0.30

0.40

0.50

0.60

Output Current (A)

Fig. 41 OCP Threshold

50.00

40.00

30.00

20.00

10.00

VIN=3.5V

STBY=1.5V

Io=0mA

0.00

-40

-15

10

35

60

85

Temp (°C)

Fig. 44 IGND vs Temp

120

110

100

90

80

70

60

50

40

0

Temp=85°C

Temp=25°C

Temp=-40°C

VIN = 3.5V

STBY = 1.5V

0.05

0.1

0.15

0.2

Output Current (A)

Fig. 39 IOUT - IGND

3.50

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. 42 STBY Threshold

1.000

0.900

0.800

0.700

0.600

0.500

0.400

0.300

0.200

0.100

0.000

VIN=3.5V

STBY=0V

-0.100

-40 -15 10 35 60 85

Temp (°C)

Fig. 45 IGND vs Temp (STBY)

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2011.01 - Rev.C

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