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ADP7104ARDZ-3.3-R7 数据表(PDF) 4 Page - Analog Devices

部件名 ADP7104ARDZ-3.3-R7
功能描述  20 V, 500 mA, Low Noise, CMOS LDO
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP7104ARDZ-3.3-R7 数据表(HTML) 4 Page - Analog Devices

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ADP7104
Data Sheet
Rev. B | Page 4 of 28
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
PROGRAMMABLE EN/UVLO
UVLO Threshold Rising
UVLORISE
3.3 V ≤ VIN ≤ 20 V, TJ = −40°C to +125°C
1.18
1.23
1.28
V
UVLO Threshold Falling
UVLOFALL
3.3 V ≤ VIN ≤ 20 V, TJ = −40°C to +125°C, 10 kΩ in
series with the enable pin
1.13
V
UVLO Hysteresis Current
UVLOHYS
VEN > 1.25 V, TJ = −40°C to +125°C
7.5
9.8
12
µA
Enable Pull-Down Current
IEN-IN
EN = VIN
500
nA
Start Threshold
VSTART
TJ = −40°C to +125°C
3.2
V
Shutdown Threshold
VSHUTDOWN
TJ = −40°C to +125°C
2.45
V
Hysteresis
250
mV
OUTPUT NOISE
OUTNOISE
10 Hz to 100 kHz, VIN = 5.5 V, VOUT = 1.8 V
15
µV rms
10 Hz to 100 kHz, VIN = 6.3 V, VOUT = 3.3 V
15
µV rms
10 Hz to 100 kHz, VIN = 8 V, VOUT = 5 V
15
µV rms
10 Hz to 100 kHz, VIN = 12 V, VOUT = 9 V
15
µV rms
10 Hz to 100 kHz, VIN = 5.5 V, VOUT = 1.5 V,
adjustable mode
18
µV rms
10 Hz to 100 kHz, VIN = 12 V, VOUT = 5 V,
adjustable mode
30
µV rms
10 Hz to 100 kHz, VIN = 20 V, VOUT = 15 V,
adjustable mode
65
µV rms
POWER SUPPLY REJECTION RATIO
PSRR
100 kHz, VIN = 4.3 V, VOUT = 3.3 V
50
dB
100 kHz, VIN = 6 V, VOUT = 5 V
50
dB
10 kHz, VIN = 4.3 V, VOUT = 3.3 V
60
dB
10 kHz, VIN = 6 V, VOUT = 5 V
60
dB
100 kHz, VIN = 3.3 V, VOUT = 1.8 V, adjustable mode
50
dB
100 kHz, VIN = 6 V, VOUT = 5 V, adjustable mode
60
dB
100 kHz, VIN = 16 V, VOUT = 15 V, adjustable mode
60
dB
10 kHz, VIN = 3.3 V, VOUT = 1.8 V, adjustable mode
60
dB
10 kHz, VIN = 6 V, VOUT = 5 V, adjustable mode
80
dB
10 kHz, VIN = 16 V, VOUT = 15 V, adjustable mode
80
dB
1
Based on an end-point calculation using 1 mA and 300 mA loads. See Figure 6 for typical load regulation performance for loads less than 1 mA.
2
Dropout voltage is defined as the input-to-output voltage differential when the input voltage is set to the nominal output voltage. This applies only for output
voltages above 3.0 V.
3
Start-up time is defined as the time between the rising edge of EN to VOUT being at 90% of its nominal value.
4
Current limit threshold is defined as the current at which the output voltage drops to 90% of the specified typical value. For example, the current limit for a 5.0 V
output voltage is defined as the current that causes the output voltage to drop to 90% of 5.0 V, or 4.5 V.
INPUT AND OUTPUT CAPACITOR, RECOMMENDED SPECIFICATIONS
Table 2.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Minimum Input and Output Capacitance1
CMIN
TA = −40°C to +125°C
0.7
µF
Capacitor ESR
RESR
TA = −40°C to +125°C
0.001
0.2
Ω
1
The minimum input and output capacitance should be greater than 0.7 μF over the full range of operating conditions. The full range of operating conditions in the
application must be considered during device selection to ensure that the minimum capacitance specification is met. X7R and X5R type capacitors are recommended;
Y5V and Z5U capacitors are not recommended for use with any LDO.


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