參數資料
型號: BH30PB1WHFV
元件分類: 固定正電壓單路輸出標準穩(wěn)壓器
英文描述: 3 V FIXED POSITIVE REGULATOR, PDSO5
封裝: HVSOF-5
文件頁數: 5/10頁
文件大?。?/td> 371K
代理商: BH30PB1WHFV
Technical Note
BH
□□
PB1WHFV Series
5/9
www.rohm.com
2009 ROHM Co., Ltd. All rights reserved.
2009.04 - Rev.A
0.01
0.1
1.0
1.0
100 m
Slow start capacitance Css (F)
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[
]
O
[
0
1
2
3
4
0.0
0.5
1.0
1.5
2.0
V
STBY
[V]
O
O
[
10
20
30
40
50
60
70
80
Frequency f[Hz]
R
100
1 k
10 k
100 k
1 M
10
20
30
40
50
60
70
80
Frequency f[Hz]
R
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 = 0.47
F
Co = 2.2
F
Fig. 23 Output Voltage Fall Time
(BH30PB1WHFV)
SEL = 0 V
SEL = 1.5 V
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
,
I
O
= no load
Co = 0.47
F
I
O
= 10 mA
I
O
= no load
S
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
0.0
1.0
2.0
3.0
4.0
5.0
V
STBY
[V]
S
S
[
Co = 0.47
F
I
O
= 10 mA
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