bh25pb1whfv ROHM Co. Ltd., bh25pb1whfv Datasheet - Page 5

• Manufacturer Part Number: bh25pb1whfv
• Description: Auto Power Save Cmos Type Series Regulator
• Manufacturer: ROHM Co. Ltd.

© 2009 ROHM Co., Ltd. All rights reserved.
BH□□PB1WHFV Series
www.rohm.com
Fig. 22 Output Voltage Rise Time
Temperature (BH30PB1WHFV)
80
70
60
50
40
30
20
10
3.2
3.1
3.0
2.9
2.8
Fig. 13 Output Voltage vs
SEL = 0 V
(power-saving operation)
100
IOUT = 0 mA  10 mA
STBY
VOUT
Co = 0.47 F
VOUT
-50
Fig. 19 Load Response
Fig. 16 Ripple Rejection
Co = 0.47 F
I
O
= 10 mA
(BH30PB1WHFV)
(BH30PB1WHFV)
-25
(BH12PB1WHFV)
1 k
(Co = 1.0 F)
Frequency f[Hz]
0
Co = 10 F
Temp[℃]
10 k
25
1 V / div
50
100 s / div
100 k
50 mV / div
200 s / div
1 V / div
75
100
1 M
Fig. 23 Output Voltage Fall Time
80
70
60
50
40
30
20
10
4
3
2
1
0
100
VOUT
Fig. 14 Standby Pin Threshold
SEL = 1.5 V
IOUT = 1 mA  30 mA
Fig. 20 Load Response
0.0
VOUT
Fig. 17 Ripple Rejection
Co = 0.47 F
I
O
(BH30PB1WHFV)
(BH30PB1WHFV)
= 10 mA
(BH30PB1WHFV)
(Co = 1.0 F)
1 k
STBY
(BH30PB1WHFV)
0.5
Frequency f[Hz]
Co = 2.2 F
Co = 0.47 F
Co = 1 F
5/9
V
10 k
STBY
1.0
[V]
100 k
10 ms / div
200 s / div
1.5
50 mV / div
1 V / div
1 V / div
1 M
2.0
100 m
1.0 m
10 m
1.0
Fig. 18 Output Voltage Waveform
Fig. 15 Standby Pin Sink Current
6
5
4
3
2
1
0
0.01
0.0
Fig. 24 Soft Start Rise Time
Fig. 21 Load Response
VOUT
SEL
VOUT
IOUT = 1 mA  100
I
O
Rss = 10 k,
I
= no load
O
(BH30PB1WHFV)
During SEL Switching
= no load
1.0
(BH30PB1WHFV)
(Co = 1.0 F)
(BH30PB1WHFV)
(BH30PB1WHFV)
Slow start capacitance Css (F)
2.0
2009.04 - Rev.A
Technical Note
Frequency f[Hz]
SEL = 0 V  1.5
V
STBY
0.1 
3.0
[V]
4.0
100 mV / div
200 s / div
50 mV / div
10 ms / div
1 V / div
5.0
1.0