ADM7170ACPZ 查看數據表（PDF） - Analog Devices
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ADM7170ACPZ Datasheet PDF : 23 Pages
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ADM7170
Data Sheet
Parameter
EN INPUT STANDBY
EN Input Logic High
EN Input Logic Low
EN Input Logic Hysteresis
EN INPUT PRECISION
EN Input Logic High
EN Input Logic Low
EN Input Logic Hysteresis
EN Input Leakage Current
EN Input Delay Time
Symbol
ENSTBY-HIGH
ENSTBY-LOW
ENSTBY-HYS
ENHIGH
ENLOW
ENHYS
IEN-LKG
TIEN-DLY
Test Conditions/Comments
2.3 V ≤ VIN ≤ 6.5 V
2.3 V ≤ VIN ≤ 6.5 V
EN = VIN or GND
From EN rising from 0 V to VIN to 0.1 V × VOUT
Min Typ Max Unit
1.1
V
0.4 V
80
mV
1.11 1.2 1.27 V
1.01 1.1 1.16 V
100
mV
0.1 1.0 µA
130
μs
1 Dropout voltage is defined as the input-to-output voltage differential when the input voltage is set to the nominal output voltage. Dropout applies only for output
voltages greater than 2.3 V.
2 Start-up time is defined as the time between the rising edge of EN to VOUT being at 90% of its nominal value.
3 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 3.
Parameter
MINIMUM INPUT AND OUTPUT CAPACITANCE1
CAPACITOR ESR
Symbol
CMIN
RESR
Test Conditions/Comments
TA = −40°C to +125°C
TA = −40°C to +125°C
Min Typ Max Unit
3.3
µF
0.001
0.05 Ω
1 Ensure that the minimum input and output capacitance is greater than 3.3 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.
Rev. C | Page 4 of 23
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