TA4805BF datasheet(5/11 Pages) TOSHIBA

部件名	TA4805BF

功能描述	1 A Three-Terminal Low-Dropout Voltage Regulator

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制造商	TOSHIBA [Toshiba Semiconductor]

网页	http://www.semicon.toshiba.co.jp/eng

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5 / 11 page

TA48015,018,025,033,05,08,09BF

2007-06-25

5

TA4805BF

Electrical Characteristics

(CIN = 0.33 μF, COUT = 2.2 μF, Tj = 25°C, unless otherwise specified)

Characteristics

Symbol

Test Conditions

Min

Typ.

Max

Unit

VIN = 7 V, IOUT = 0.5 A

4.85

5.00

5.15

Output voltage

VOUT

6 V <= VIN <= 10 V, ,

5 mA <= IOUT <= 1 A, 0°C <= Tj <= 125°C

4.8

5.0

5.2

V

Line regulation

Reg･line

6 V <= VIN <= 10 V, IOUT = 0.5 A

⎯

10

20

mV

Load regulation

Reg･load

VIN = 7 V, 5 mA <= IOUT <= 1 A

⎯

4.2

20.0

mV

6 V <= VIN <= 10 V, IOUT = 0 A

⎯

0.85

1.70

Quiescent current

IB

6 V <= VIN <= 10 V, IOUT = 1 A

⎯

10

20

mA

VIN = 2.1 V, IOUT = 0 A

⎯

2.5

4.2

Starting quiescent current

IBstart

VIN = 4.5 V, IOUT = 1 A

⎯

18.0

28.5

mA

Output n oise voltage

VNO

VIN = 7 V, IOUT = 50 mA,

10 Hz <= f <= 100 kHz

⎯

150

⎯

μVrms

Ripple rejection

R.R.

6 V <= VIN <= 10 V, IOUT = 50 mA,

f

= 120 Hz

48

60

⎯

dB

IOUT = 0.5 A

⎯

0.32

0.50

Dropout voltage

VD

IOUT = 1 A

⎯

0.69

⎯

V

Average temperature coefficient of

output voltage

TCVO

VIN = 7 V, IOUT = 5 mA,

0°C <= Tj <= 125°C

⎯

0.45

⎯

mV/°C

TA4808BF

Electrical Characteristics

(CIN = 0.33 μF, COUT = 2.2 μF, Tj = 25°C, unless otherwise specified)

Characteristics

Symbol

Test Conditions

Min

Typ.

Max

Unit

VIN = 10 V, IOUT = 0.5 A

7.76

8.00

8.24

Output voltage

VOUT

9 V <= VIN <= 13 V,

5 mA <= IOUT <= 1 A, 0°C <= Tj <= 125°C

7.68

8.00

8.32

V

Line regulation

Reg･line

9 V <= VIN <= 13 V, IOUT = 0.5 A

⎯

12.5

20.0

mV

Load regulation

Reg･load

VIN = 10 V, 5 mA <= IOUT <= 1 A

⎯

9.4

30.0

mV

9 V <= VIN <= 13 V, IOUT = 0 A

⎯

0.9

1.7

Quiescent current

IB

9 V <= VIN <= 13 V, IOUT = 1 A

⎯

10

20

mA

VIN = 2.1 V, IOUT = 0 A

⎯

2.6

4.4

Starting quiescent current

IBstart

VIN = 7.2 V, IOUT = 1 A

⎯

20.0

28.5

mA

Output noise voltage

VNO

VIN = 10 V, IOUT = 50 mA,

10 Hz <= f <= 100 kHz

⎯

225

⎯

μVrms

Ripple rejection

R.R.

9 V <= VIN <= 13 V, IOUT = 50 mA,

f

= 120 Hz

45

56

⎯

dB

IOUT = 0.5 A

⎯

0.32

0.50

Dropout voltage

VD

IOUT = 1 A

⎯

0.69

⎯

V

Average temperature coefficient of

output voltage

TCVO

VIN = 10 V, IOUT = 5 mA,

0°C <= Tj <= 125°C

⎯

0.7

⎯

mV/°C

类似零件编号 - TA4805BF

制造商	部件名	数据表	功能描述
Toshiba Semiconductor	TA4805BF	235Kb / 12P	1 A Three-Terminal Low-Dropout Voltage Regulator

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类似说明 - TA4805BF

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