r1163k281e5 RICOH Co.,Ltd., r1163k281e5 Datasheet - Page 27

• Manufacturer Part Number: r1163k281e5
• Description: 3-mode 150ma Ldo Regulator With The Reverse Current Protection
• Manufacturer: RICOH Co.,Ltd.

TECHNICAL NOTES
this purpose, be sure to use a capacitor C
Resistance) in the range described as follows:
when the white noise level is under 40µV (Avg.) are marked as the hatched area in the graph.
<Test conditions>
(1) Frequency band: 10Hz to 2MHz
When using these ICs, consider the following points:
In these ICs, phase compensation is made for securing stable operation even if the load current is varied. For
The relations between I
0.01
0.01
100
100
0.1
0.1
10
10
1
1
0
0
V
V
IN
IN
=2.0V to 6.0V, C
=3.1V to 6.0V, C
20
20
R1163x151x ECO=H
R1163x281x ECO=H
Topt=85 C Topt=25 C
Load Current I
Load Current I
40
40
Topt=85 C
OUT
60
60
(Output Current) and ESR of Output Capacitor are shown below. The conditions
Topt=-40 C
IN
IN
=1 F C
80
=1 F C
80
OUT
OUT
Topt=25 C
Topt=-40 C
100
(mA)
100
(mA)
OUT
OUT
=0.47 F
=0.47 F
120
120
OUT
with good frequency characteristics and ESR (Equivalent Series
140
140
0.01
0.01
100
100
0.1
0.1
10
10
1
1
0
0
V
V
IN
IN
=2.0V to 6.0V, C
=3.1V to 6.0V, C
20
20
R1163x151x ECO=L
R1163x281x ECO=L
Load Current I
Load Current I
40
40
60
60
IN
IN
80
80
=1 F C
=1 F C
OUT
OUT
100
(mA)
100
(mA)
OUT
OUT
=0.47 F
=0.47 F
120
120
R1163x
140
140
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