bd00hc0wefj ROHM Co. Ltd., bd00hc0wefj Datasheet - Page 3

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bd00hc0wefj

Manufacturer Part Number
bd00hc0wefj
Description
1a Secondary Variable Output Ldo Regulators For Local Power Supplies
Manufacturer
ROHM Co. Ltd.
Datasheet

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500mA/div
50mV/div
2V/div
5V/div
5V/div
Vcc
EN
Vo
●Reference Data (Unless otherwise noted, Ta=25℃, EN=3V, Vcc=6V, R
Vo
© 2010 ROHM Co., Ltd. All rights reserved.
BD00HC0WEFJ
Io
www.rohm.com
5.2
5.1
5.0
4.9
4.8
10.0
8.0
6.0
4.0
2.0
0.0
-25
-10
Fig.1 Transient Response
Fig.4 OFF sequence 1
Fig.7 Ta-Vo (Io=0mA)
0
10
Co=1μF
(0→1A)
Co=1μF
Fig.10 Ta-IEN
30
25
Ta [℃]
Ta [ ℃ ]
50
40msec/div
50
10usec/div
70
75
85
500mA/div
85
50mV/div
2V/div
5V/div
5V/div
Vcc
EN
Vo
Vo
Io
800
700
600
500
400
5.2
5.1
5.0
4.9
4.8
-25
0
Fig.2 Transient Response
Fig.5 Inpurt sequence 2
0.2
0
Fig.8 Ta-Icc
3/11
Fig.11 Io-Vo
Co=1μF
Co=1μF
0.4
(1→0A)
Ta [ ℃ ]
Io [A]
25
0.6
1
50
=43kΩ, R
200usec/div
10usec/div
0.8
75
1
2
85
=8.2kΩ)
2V/div
2V/div
5V/div
2V/div
5V/div
5V/div
Vcc
EN
Vo
Vcc
EN
Vo
1.0
0.8
0.6
0.4
0.2
0.0
1.0
0.8
0.6
0.4
0.2
0.0
-25
IIN
0
Fig.3 Input sequence 1
Fig.6 OFF sequence 2
0
2
Fig.9 Ta-Isd
(V
Fig.12 Vcc-Isd
Co=1μF
Technical Note
Co=1μF
2010.04 - Rev.A
EN
(V
Ta [ ℃ ]
4
25
Vcc [V]
=0V)
EN
=0V)
6
50
200usec/div
40msec/div
8
75
10
85

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