ADP150 데이터 시트보기 (PDF) - Analog Devices
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ADP150 Datasheet PDF : 20 Pages
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ADP150
Parameter
POWER SUPPLY REJECTION RATIO
(VIN = VOUT + 0.5 V)
Symbol
PSRR
POWER SUPPLY REJECTION RATIO
(VIN = VOUT + 1 V)
Conditions
10 kHz, VIN = 3.8 V, VOUT = 3.3 V, IOUT = 10 mA
10 kHz, VIN = 2.3 V, VOUT = 1.8 V, IOUT = 10 mA
100 kHz, VIN = 3.8 V, VOUT = 3.3 V, IOUT = 10 mA
100 kHz, VIN = 2.3 V, VOUT = 1.8 V, IOUT = 10 mA
10 kHz, VIN = 4.3 V, VOUT = 3.3 V, IOUT = 10 mA
100 kHz, VIN = 4.3 V, VOUT = 3.3 V, IOUT = 10 mA
Min Typ Max Unit
70
dB
70
dB
55
dB
55
dB
70
dB
55
dB
1 Based on an end-point calculation using 1 mA and 150 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 2.2 V.
3 Start-up time is defined as the time between the rising edges 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 3.0 V
output voltage is defined as the current that causes the output voltage to drop to 90% of 3.0 V or 2.7 V.
RECOMMENDED SPECIFICATIONS: INPUT AND OUTPUT CAPACITOR
Table 2.
Parameter
INPUT AND OUTPUT CAPACITOR
Minimum Input and Output Capacitance1
Capacitor ESR
Symbol
CMIN
RESR
Conditions
TA = −40°C to +125°C
TA = −40°C to +125°C
Min
Typ Max Unit
0.7
0.001
µF
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-type and X5R-type capacitors are
recommended, and Y5V and Z5U capacitors are not recommended for use with any LDO.
Rev. A | Page 4 of 20
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