BH30PB1WHFV-TR datasheet(5/10 Pages) ROHM

Part #	BH30PB1WHFV-TR

Description	CMOS LDO Regulators with Auto Power Saving Function

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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5 / 10 page

Technical Note

BH□□PB1WHFV Series

5/9

www.rohm.com

2009.04 - Rev.A

0.01



0.1



1.0



1.0



100 m

Frequency f[Hz]

Fig. 13 Output Voltage vs

Temperature (BH30PB1WHFV)

Fig. 14 Standby Pin Threshold

(BH30PB1WHFV)

Fig. 15 Standby Pin Sink Current

(BH30PB1WHFV)

Fig. 16 Ripple Rejection

(BH12PB1WHFV)

Fig. 17 Ripple Rejection

(BH30PB1WHFV)

Fig. 18 Output Voltage Waveform

During SEL Switching

(BH30PB1WHFV)

2.8

2.9

3.0

3.1

3.2

-50

-25

0

25

50

75

100

Temp[℃]

0

1

2

3

4

0.0

0.5

1.0

1.5

2.0

VSTBY[V]

10

20

30

40

50

60

70

80

Frequency f[Hz]

100

1 k

10 k

100 k

1 M

10

20

30

40

50

60

70

80

Frequency f[Hz]

100

1 k

10 k

100 k

1 M

Fig. 19 Load Response

(Co = 1.0

F)

(BH30PB1WHFV)

VOUT

50 mV / div

100

s / div

Fig. 20 Load Response

(Co = 1.0

F)

(BH30PB1WHFV)

VOUT

50 mV / div

200

s / div

Fig. 21 Load Response

(Co = 1.0

F)

(BH30PB1WHFV)

VOUT

100 mV / div

200

s / div

Fig. 22 Output Voltage Rise Time

(BH30PB1WHFV)

STBY

VOUT

1 V / div

200

s / div

1 V / div

Co = 0.47

F

Co = 10

F

STBY

VOUT

1 V / div

10 ms / div

1 V / div

Co = 1

F

Co = 2.2

F

Fig. 23 Output Voltage Fall Time

(BH30PB1WHFV)

SEL = 0 V

SEL = 1.5 V

Co = 0.47

F

Fig. 24 Soft Start Rise Time

(BH30PB1WHFV)

50 mV / div

VOUT

SEL

SEL = 0 V

 1.5

1 V / div

10 ms / div

Rss = 10 k

,

IO = no load

Co = 0.47

F

IO = 10 mA

IO = no load

Slow start capacitance Css (F)

1.0 m

10 m

(power-saving operation)

IOUT = 0 mA

 10 mA

IOUT = 1 mA

 30 mA

IOUT = 1 mA

 100

0

1

2

3

4

5

6

0.01.02.03.04.05.0

VSTBY[V]

Co = 0.47

F

IO = 10 mA

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BH30PB1WHFV-TR Datasheet(PDF) 5 Page - Rohm

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