ILC7082AIK-31 查看數據表（PDF） - Impala Linear Corporation
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ILC7082AIK-31 Datasheet PDF : 16 Pages
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150mA SOT-23 Ultra Low Noise CMOS RF-LDO™ Regulator
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise specified TA T=25°C, VIN =VOUT(NOM), + 1V, ON/OFF pin tied to VIN
Spectral Noise Density
10
10
VOUT = 2.8V
IOUT = 50mA
CNOI SE = 0.01µF
1
1
COUT = 1µF (Ceramic)
0.1
0.1
COUT = 2.2µF or 4.7µF (Ceramic)
0.01
0.01
COUT = 10µF (Ceram ic)
0.001
10
100
1K
10K 100K
Frequency (Hz)
0.001
1M 10M
10
Spectral Noise Density
VOUT = 2.8V
COUT = 2.2µF
CNOISE = 0.01µF
IOUT = 50mA, 100mA or 150 m A
IOUT = 1 mA
100
1K
10K
100K
1M
Frequency (Hz)
Output Noise Voltage vs. CNOISE
90
80 CNOI SE = 1.2nF
70
5.6nF
60
8.2nF
50
VOUT = 3V
IOUT = 10mA
COUT = 2.2µF(Ceramic)
40 0.039µF
30
0.047µF
20
10
0
100 Hz–
50 KHz
0.022µF
0.01µF
100 Hz–
100 KHz
300 Hz–
50 KHz
300 Hz–
100 KHz
Freq Band
Output Noise Voltage vs. CNOISE
90
80 CNOISE = 1.2nF
70
VOUT = 3V
IOUT = 10mA
COUT = 4.7µF(Ceramic )
60 5.6nF
50 8.2nF
40 0.039µF
30
0.047µF
20
10
0
100 Hz–
50 KHz
0.022µF
0.016µF
100 Hz–
100 KHz
300 Hz–
50 KHz
Freq Band
300 Hz–
100 KHz
Ripple Rejection vs. Frequency
120
VOUT = 3V
100
IOUT = 10mA
80
80
70
COUT = 4.7µF
60
COUT = 10µF
50
60
40
Ripple Rejection vs. Frequency
VOUT = 2.8V
IOUT = 150mA
COUT = 2.2µF
COUT = 4.7µF
40
20
0
10
100
COUT = 1µF
30
COUT = 2.2µF
20
10
1K
10K 100K
0
1M
10M
10
100
COUT = 1µF
COUT = 10µF
1K
10K 100K
1M
Impala Linear Corporation
ILC7082 1.3
(408) 574-3939 www.impalalinear.com
April 1999 13
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