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LT3073AVPBF 数据表(PDF) 22 Page - Analog Devices

部件名 LT3073AVPBF
功能描述  3A, Ultra-Low Noise, High PSRR, 45mV Dropout Ultra-Fast Linear Regulator
PDF  37 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

LT3073AVPBF 数据表(HTML) 22 Page - Analog Devices

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Data Sheet
LT3073
analog.com
Rev 0.
22 of 37
TYPICAL PERFORMANCE CHARACTERISTICS
TJ = 25°C unless noted otherwise.
Figure 64. Startup Time
Figure 65. IN Pin Line Transient
Figure 66. BIAS Pin Line Transient
Figure 67. Load Transient
Figure 68. Load Transient
Figure 69. Noise Spectral Density
VBIAS = 2.5V
VIN = 1.2V
VOUT(NOMINAL) = 1V
OUTPUT SETTLING TO 1%
RLOAD = 333.33mΩ
RLOAD = 100Ω
REFERENCE CAPACITANCE (µF)
0.1
1
10
100
0.01
0.1
1
10
100
VOUT = 1V
VIN = 3.8V
ILOAD = 10mA
COUT = 10µF
CREF = 4.7µF
tRISE = tFALL = 1µs
VBIAS STEP FROM 1.3V TO 1.35V
20µs/DIV
IN TRANSIENT
AC-COUPLED
50mV/DIV
OUT TRANSIENT
AC-COUPLED
500µV/DIV
VOUT = 1V
VIN = 1.3V
ILOAD = 10mA
COUT = 10µF
CREF = 4.7µF
tRISE = tFALL = 1µs
VBIAS STEP FROM 3.3V TO 3.8V
20µs/DIV
BIAS TRANSIENT
AC-COUPLED
500mV/DIV
OUT TRANSIENT
AC-COUPLED
1mV/DIV
COUT = 22µF
IOUT STEP FROM 300mA TO 3A
VOUT(NOMINAL) = 1V
VIN = 1.3V
VBIAS = 3.3V
tRISE = tFALL = 100ns
5µs/DIV
IOUT
2A/DIV
VOUT
AC-COUPLED
50mV/DIV
COUT = 10µF
IOUT STEP FROM 300mA TO 3A
VOUT(NOMINAL) = 1V
VIN = 1.3V
VBIAS = 3.3V
tRISE = tFALL = 100ns
5µs/DIV
IOUT
2A/DIV
VOUT
AC-COUPLED
50mV/DIV
VBIAS = 3.3V
ILOAD = 3A
COUT = 22µF
CREF = 4.7µF
IIN = 1.3V
VOUT = 1V
FREQUENCY (Hz)
0.1
1
10
10
100
1k
10k



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