BH25NB1WHFV_11 datasheet(4/9 Pages) ROHM

Part #	BH25NB1WHFV

Description	1ch 150mA CMOS LDO Regulators

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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Technical Note

BH□□NB1WHFV series

4/8

www.rohm.com

2011.01 - Rev.B

2.40

2.45

2.50

2.55

2.60

-50

-25

0

25

50

75

100

Temp[℃]

2.90

2.95

3.00

3.05

3.10

-50

-25

0

255075

100

Temp[℃]

3.20

3.25

3.30

3.35

3.40

-50

-25

0

25

50

75

100

Temp[℃]

10

20

30

40

50

60

70

80

90

Frequency f[Hz]

100

1 k

10 k

100

1 M

Fig.19 Load Response

(Co = 2.2 µF)

(BH25NB1WHFV)

IOUT = 1 mA → 30 mA

VOUT

50 mV / div

100 µs / div

Fig.20 Load Response

(Co = 2.2 µF)

(BH30NB1WHFV)

IOUT = 1 mA → 30 mA

VOUT

50 mV / div

100 µs / div

Fig.21 Load Response

(Co = 2.2 µF)

(BH33NB1WHFV)

IOUT = 1 mA → 30 mA

VOUT

50 mV / div

100 µs / div

Fig.22 Output Voltage Rise Time

(BH25NB1WHFV)

STBY

VOUT

1 V / div

100 µs / div

1 V / div

Co = 1 µF

Co = 2.2 µF

Co = 10 µF

STBY

VOUT

1 V / div

100 µs / div

1 V / div

Co = 1 µF

Co = 2.2 µF

Co = 10 µF

Fig.23 Output Voltage Rise Time

(BH30NB1WHFV)

Fig.24 Output Voltage Rise Time

(BH33NB1WHFV)

STBY

VOUT

1 V / div

100 µs / div

1 V / div

Co = 1 µF

Co = 2.2 µF

Co = 10 µF

Fig.13 Output Voltage vs Temperature

(BH25NB1WHFV)

Fig.14 Output Voltage vs Temperature

(BH30NB1WHFV)

Fig.15 Output Voltage vs Temperature

(BH33NB1WHFV)

Fig.16 Ripple Rejection

(BH25NB1WHFV)

Fig.17 Ripple Rejection

(BH30NB1WHFV)

Fig.18 Ripple Rejection

(BH33NB1WHFV)

IOUT=1mA

Co=2.2μF

Io=10mA

IOUT=1mA

10

20

30

40

50

60

70

80

90

Frequency f[Hz]

100

1 k

10 k

100

1 M

Co=2.2μF

Io=10mA

10

20

30

40

50

60

70

80

90

Frequency f[Hz]

100

1 k

10 k

100

1 M

Co=2.2μF

Io=10mA

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