BD18KA5WF datasheet(3/10 Pages) ROHM

부품명	BD18KA5WF

상세설명	500mA Secondary LDO Regulators for Local Power Supplies

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제조업체	ROHM [Rohm]

홈페이지	http://www.rohm.com

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3 / 10 page

BD□□KA5,BD□□KA5W Series,BD00KA5W Series

Technical Note

3/9

www.rohm.com

2009.04 - Rev.A

●

Reference Data (Unless specified otherwise, Vcc=25V,VCTL =2V,and Io=0mA)

Fig.12 Thermal Shutdown

Circuit Characteristics (Io=5mA)

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

-40

-20

0

20

40

60

80

100

TEMPERATURE:Ta[℃]

1.4

1.5

1.6

-40

-20

0

20

40

60

80

100

TEMPERATURE:Ta[℃]

0

2

4

6

8

10

0.0

0.1

0.2

0.3

0.4

0.5

OUTPUT CURRENT:IOUT[A]

Fig.2 Input Stability

Fig.3 Input Stability

Fig.5 Input/Output Voltage Difference

Fig.6 Ripple Rejection

（

ein=10dBV,Io=100mA）

（

Vcc=3.135V）

0.0

0.1

0.2

0.3

0.4

0.5

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

SUPPLY VOLTAGE:VCC[V]

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

SUPPLY VOLTAGE:VCC[V]

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

SUPPLY VOLTAGE:VCC[V]

[BD15KA5WFP]

0

5

10

15

20

25

30

35

40

45

50

55

60

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90

FREQUENCY:f[Hz]

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5

OUTPUT CURRENT:IOUT[A]

0

50

100

150

200

250

300

0

50

100

150 200

250 300

350 400

450 500

OUTPUT CURRENT:IOUT[mA]

（

Io=500mA）

（

Io=0mA）

100

1000

10000

100000

[BD15KA5WFP]

[BD33KA5WFP]

Fig.1 Circuit current

Fig.4 Load Stability

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2.0

100

120

140

160

180

200

TEMPERATURE:[℃]

Fig.7 Output Voltage

Fig.9 Circuit Current by load Level

[BD15KA5WFP]

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2.0

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

CONTROL VOLTAGE:VCTL[V]

0

20

40

60

80

100

120

140

160

180

200

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

CONTROL VOLTAGE:VCTL[V]

Fig.8 Circuit Current

Temperature Characteristics

（

Io=5mA）

[BD15KA5WFP]

Fig.10 CTL Voltage vs. Output Voltage

Fig.11 CTL Voltage vs. Output Current

유사한 부품 번호 - BD18KA5WF

제조업체	부품명	데이터시트	상세설명
Rohm	BD18KA5WF	329Kb / 6P	Low ESR Capacitor Built in shut down SW, Low Dropout 500mA Regulator IC
	BD18KA5WF-E2	364Kb / 10P	500mA Secondary LDO Regulators for Local Power Supplies
	BD18KA5WF-E2	616Kb / 18P	500mA Variable/Fixed Output LDO Regulators Built-in thermal shutdown circuit
	BD18KA5WF-E2	616Kb / 18P	low-saturation regulators that are available for output currents up to 500mA.
	BD18KA5WFP	324Kb / 6P	Low ESR Capacitor Built in shut down SW, Low Dropout 500mA Regulator IC

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