RN5RF50AA-TR datasheet(11/12 Pages) RICOH

Part #	RN5RF50AA-TR

Description	LOW RIPPLE VOLTAGE REGULATOR WITH EXTERNAL TRANSISTOR

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Manufacturer	RICOH [RICOH electronics devices division]

Direct Link	http://www.ricoh.com

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RN5RF

10

7)

Ripple Rejection vs. Frequency (Topt=25°C)

RN5RF30A

RN5RF50A

80

70

50

60

40

20

30

10

0

Frequency (kHz)

0.01

0.1

1

10

100

VIN=4Vdc+0.5Vp-p,IOUT=100mA,CL=10

µF

80

70

50

60

40

20

30

10

0

Frequency (kHz)

0.01

0.1

1

10

100

VIN=6Vdc+0.5Vp-p,IOUT=100mA,CL=10

µF

8)

Line Transient Response (Topt=25°C)

RN5RF30A

RN5RF50A

6

5

4

3

2

1

0

Time T(

µs)

-50

0

-25

25

50

75

100 125 150

IOUT=300mA,CL=10

µF

3.3

3.2

3.1

3

2.9

2.8

2.7

Input Voltage

Output Voltage

8

7

6

5

4

3

2

Time T(

µs)

-50

0

-25

25

50

75

100 125 150

IOUT=300mA,CL=10

µF

5.3

5.2

5.1

5

4.9

4.8

4.7

Input Voltage

Output Voltage

9)

Load Transient Response (Topt=25°C)

RN5RF30A

RN5RF50A

200

100

0

-100

-200

-300

-400

3.3

3.2

3.1

3

2.9

2.8

2.7

Time T(

µs)

-100

0

100

200

300

400

VIN=4V,CL=10

µF

Output Current

Output Voltage

200

100

0

-100

-200

-300

-400

Time T(

µs)

-100

0

100

200

300

400

VIN=6V,CL=10

µF

5.3

5.2

5.1

5

4.9

4.8

4.7

Output Current

Output Voltage

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RN5RF50AA-TR Datasheet(PDF) 11 Page - RICOH electronics devices division

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