RT9177-28CBR Просмотр технического описания (PDF) - Richtek Technology
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RT9177-28CBR Datasheet PDF : 12 Pages
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Preliminary
RT9177
PSRR
-20
-30
-40
-50
10mA
-60
-70
100mA
-80
VOUT = 3V
-90
TA = 25°C
-100 10
100
CBP = 470pF
1K
10K 100K
1M
Frequency (Hz)
Noise Signal & Spectrum Distribution
Time (mS)
0
2
4
6
8
10
150
1
540
5
-5300
≈
20
10
0
0
-
CIN = 1uF TAN
COUT = 4.7uF TAN
-
CBP = 10nF
Load = 10mA
-
Sampling Rate = 250KHz
-
25
50
75
100
125
Frequency (KHz)
Noise Signal & Spectrum Distribution
Time (mS)
0
2
4
6
8
10
21500
250
800
-25600
≈
40
20
0
CIN = 1uF TAN
COUT = 4.7uF TAN
CBP = 470nF
Load = 10mA
Sampling Rate = 250KHz
-250
-500
-750
0
-100
0
25
50
75
100
125
Frequency (KHz)
DS9177-00 Feb. 2001
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
10
100
PSRR
10mA
100mA
VOUT = 3V
TA = 25°C
CBP = 10nF
1K
10K 100K
1M
Frequency (Hz)
Noise Signal & Spectrum Distribution
Time (mS)
0
2
4
6
8
10
15500
150
4500
-3500
≈
20
10
0
0
50
-50
CIN = 1uF TAN
COUT = 4.7uF TAN
-15
CBP = 10nF
Load = 100mA
Sampling Rate = 250KHz
-25
25
50
75
100
Frequency (KHz)
-35
125
Noise Signal & Spectrum Distribution
Time (mS)
0
2
4
6
8
10
120500
25
80
-26500
≈
40
20
0
-25
CIN = 1uF TAN
COUT = 4.7uF TAN
-50
CBP = 470nF
Load = 100mA
Sampling Rate = 250KHz
-75
0
-10
0
25
50
75
100
125
Frequency (KHz)
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