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LT3041 数据表(PDF) 6 Page - Analog Devices

部件名 LT3041
功能描述  5.5V, 3A Ultralow Noise, High PSRR, 45mV Dropout Linear Regulator with PMBus
PDF  62 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

LT3041 数据表(HTML) 6 Page - Analog Devices

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Data Sheet
LT3074
analog.com
Rev 0.
6 of 62
(All typical specifications are at TJ(junction temperature). = 25°C and all min. and max. specifications are across
the entire operating temperature range, unless otherwise noted. COUT = 22µF, CSETCAP = 4.7µF, CBIASAF = 2.2µF,
and CBIASDF = 0.47µF, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS/COMMENTS
MIN
TYP
MAX
UNITS
Input-to-Output
Differential Voltage
Control 5
VIOCVOS
VIOC Amplifier Offset
790
800
810
mV
VIOCISOURCE
VIOC Pin Source Current: VBIAS > VIOC
+ 1V
200
µA
VIOCISINK
VIOC Pin Sink Current: VBIAS > VIOC +
1V
20
EN Pin Threshold
ENVTHR
EN Trip Point Rising, VBIAS = 2.375V
1.20
1.26
1.32
V
ENVTHF
EN Trip Point Hysteresis, VBIAS =
2.375V
80
mV
EN Pin Current
IEN
0V ≤ VEN ≤ 5.5V, VBIAS = 5.5V
5
µA
VEN = 5.5V, VBIAS = 0V
10
20
ASEL Pin Leakage
Current
IASEL
0V ≤ VASEL ≤ 5.5V, VBIAS = 0V
1
µA
BIAS Ripple Rejection
PSRRBIAS
VBIAS = 5V (Avg.),
VIN = 1.3V,
VSETRES = VOUT =
1.0V
VRIPPLE = 500mVP-P,
fRIPPLE = 120Hz,
IOUT = 3A
114
dB
VRIPPLE = 500mVP-P,
fRIPPLE = 1MHz, IOUT
= 3A
67
IN Ripple Rejection
PSRRIN
VBIAS = 5V, VIN =
1.3V (Avg.),
VSETRES = VOUT =
1.0V
VRIPPLE = 50mVP-P,
fRIPPLE = 120Hz,
IOUT = 3A
90
dB
VRIPPLE = 50mVP-P,
fRIPPLE = 1MHz, IOUT
= 3A
52
Output RMS Noise 6
VRMS(OUT)
VOUT = 1V, IOUT =
3A, VIN = 1.3V,
VBIAS = 3.3V, COUT =
22µF
BW = 10Hz to
100kHz, CSETCAP =
0.47µF
1.6
µVRMS
BW = 10Hz to
100kHz, CSETCAP =
4.7µF
1.2
Output Noise Spectral
Density 6
Vn(OUT)
VOUT = 1V, IOUT =
3A, VIN = 1.3V,
VBIAS = 3.3V,
CSETCAP = 0.47µF
Frequency =
0.1Hz
2.4
µV/√Hz
Frequency = 10Hz
650
nV/√Hz
Frequency =
10kHz
3.5
Frequency =
100kHz
3



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