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ADM7155ARDZ-02-R7 数据表(PDF) 3 Page - Analog Devices

部件名 ADM7155ARDZ-02-R7
功能描述  600 mA, Ultralow Noise, High PSRR, RF Linear Regulator
PDF  24 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADM7155ARDZ-02-R7 数据表(HTML) 3 Page - Analog Devices

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Data Sheet
ADM7155
Rev. C | Page 3 of 24
SPECIFICATIONS
VIN = VOUT_MAX + 0.5 V, EN = VIN; ILOAD = 10 mA; CIN = COUT = CREG = 10 μF; CREF = CBYP = 1 μF; TA = 25°C for typical specifications; TJ =
−40°C to +125°C for minimum/maximum specifications, unless otherwise noted.
Table 2.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
INPUT VOLTAGE RANGE
VIN
2.3
5.5
V
LOAD CURRENT
ILOAD
600
mA
OPERATING SUPPLY CURRENT
IGND
ILOAD = 0 μA
4.0
7.0
mA
ILOAD = 600 mA
6.5
10
mA
SHUTDOWN CURRENT
IIN_SD
EN = GND
0.2
2
μA
NOISE
Output Noise
OUTNOISE
10 Hz to 100 kHz, VOUT = 1.2 V to 3.4 V
1.6
μV rms
100 Hz to 100 kHz, VOUT = 1.2 V to 3.4 V
0.9
μV rms
Noise Spectral Density
OUTNSD
10 kHz to 1 MHz, VOUT = 1.2 V to 3.4 V
1.5
nV/√Hz
POWER SUPPLY REJECTION RATIO
PSRR
IOUT = 400 mA
ADM7155-01
1 kHz to 100 kHz, VIN = 2.3 V
92
dB
1 MHz, VIN = 2.3 V
65
dB
ADM7155-02
1 kHz to 100 kHz, VIN = 2.9 V
94
dB
1 MHz, VIN = 2.9 V
61
dB
ADM7155-03
1 kHz to 100 kHz, VIN = 3.4 V
94
dB
1 MHz, VIN = 3.4 V
57
dB
ADM7155-04
1 kHz to 100 kHz, VIN = 3.9 V
94
dB
1 MHz, VIN = 3.9 V
57
dB
OUTPUT VOLTAGE ACCURACY
VOUT = VREF
Initial Accuracy
VOUT
ILOAD = 10 mA, TJ = +25°C
−0.5
+0.5
%
1 mA < ILOAD < 600 mA, TJ = −40°C to +85°C
−2.0
+1.5
%
1 mA < ILOAD < 600 mA
−2.0
+2.0
%
REGULATION
Line
∆VOUT/∆VIN
VIN = VOUT_MAX + 0.5 V to 5.5 V
−0.02
+0.02
%/V
Load1
∆VOUT/∆IOUT
IOUT = 1 mA to 600 mA
0.3
1.6
%/A
CURRENT-LIMIT THRESHOLD2
ILIMIT
VREF
22
mA
VOUT
700
960
1200
mA
DROPOUT VOLTAGE3
VDROPOUT
IOUT = 400 mA, VOUT = 3.3 V
80
130
mV
IOUT = 600 mA, VOUT = 3.3 V
120
210
mV
PULL-DOWN RESISTANCE
VOUT
VOUT_PULL
EN = 0 V, VOUT = 1 V, VIN = 5.5 V
550
Ω
REG
VREG_PULL
EN = 0 V, VREG = 1 V, VIN = 5.5 V
33
kΩ
REF
VREF_PULL
EN = 0 V, VREF = 1 V, VIN = 5.5 V
620
Ω
BYP
VBYP_PULL
EN = 0 V, VBYP = 1 V, VIN = 5.5 V
400
Ω
START-UP TIME4
VOUT
tSTARTUP
VOUT = 3.3 V
1.2
ms
VREG
tREG_STARTUP
VOUT = 3.3 V
0.55
ms
VREF
tREF_STARTUP
VOUT = 3.3 V
0.44
ms
THERMAL SHUTDOWN
Threshold
TSSD
TJ rising
150
°C
Hysteresis
TSSD_HYS
15
°C
UNDERVOLTAGE THRESHOLDS
Input Voltage
Rising
UVLORISE
2.29
V
Falling
UVLOFALL
1.95
V
Hysteresis
UVLOHYS
200
mV



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