ADP323ACPZ Analog Devices Inc, ADP323ACPZ Datasheet
ADP323ACPZ
Specifications of ADP323ACPZ
Related parts for ADP323ACPZ
ADP323ACPZ Summary of contents
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FEATURES Fixed (ADP322) and adjustable output (ADP323) options Bias voltage range (VBIAS): 2 5.5 V LDO input voltage range (VIN1/VIN2, VIN3): 1 5.5 V Three 200 mA low dropout voltage regulators (LDOs) 16-lead × ...
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ADP322/ADP323 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Typical Application Circuits ............................................................ 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Input and Output Capacitor, Recommended Specifications .. 4 Absolute Maximum Ratings ............................................................ 5 Thermal ...
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SPECIFICATIONS 0 1.8 V (whichever is greater), V IN1 IN2 IN3 OUT µF, and T IN OUT1 OUT2 OUT3 Table 1. Parameter ...
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ADP322/ADP323 Parameter Symbol EN INPUT EN Input Logic High Input Logic Low Input Leakage Current V I-LEAKAGE UNDERVOLTAGE LOCKOUT UVLO Input Bias Voltage (VBIAS) UVLO Rising Input Bias Voltage (VBIAS) UVLO Falling Hysteresis UVLO ...
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ABSOLUTE MAXIMUM RATINGS Table 3. Parameter VIN1/VIN2, VIN3, VBIAS to GND VOUT1, VOUT2, FB1, FB2 to GND VOUT3, FB3 to GND EN1, EN2, EN3 to GND Storage Temperature Range Operating Junction Temperature Range Soldering Conditions Stresses above those listed under ...
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ADP322/ADP323 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS Table 5. ADP322 Pin Function Descriptions Pin No. Mnemonic Description 1 EN1 Enable Input for Regulator 1. Drive EN1 high to turn on Regulator 1; drive it low to turn off Regulator 1. For ...
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Table 6. ADP323 Pin Function Descriptions Pin No. Mnemonic Description 1 EN1 Enable Input for Regulator 1. Drive EN1 high to turn on Regulator 1; drive it low to turn off Regulator 1. For automatic startup, connect EN1 to VBIAS. ...
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ADP322/ADP323 TYPICAL PERFORMANCE CHARACTERISTICS 3 IN1 IN2 IN3 BIAS OUT1 enable voltage 25°C, unless otherwise noted. A 3.33 LOAD = 1mA LOAD = 5mA LOAD = ...
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LOAD = 1mA LOAD = 5mA 1.515 LOAD = 10mA LOAD = 50mA LOAD = 100mA 1.510 LOAD = 200mA 1.505 1.500 1.495 1.490 1.485 1.480 –40 – (°C) J Figure 11. Output Voltage vs. Junction ...
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ADP322/ADP323 350 300 250 200 150 100 50 0 –40 – (°C) J Figure 17. Ground Current vs. Junction Temperature, All Outputs Loaded Equally 300 250 200 150 100 TOTAL LOAD CURRENT (mA) Figure ...
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TEMPERATURE (°C) Figure 23. Shutdown Current vs. Temperature at Various Input Voltages 100 ...
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ADP322/ADP323 160 140 120 100 80 60 LOAD = 1mA 40 LOAD = 5mA LOAD = 10mA LOAD = 50mA 20 LOAD = 100mA LOAD = 200mA 0 1.70 1.80 1.90 V (V) IN Figure 29. Ground Current vs. Input ...
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LOAD CURRENT (mA) Figure 35. Output Noise vs. Load Current and Output Voltage LOAD1 OUT1 V OUT2 3 V ...
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ADP322/ADP323 OUT1 2 V OUT2 3 V OUT3 4 CH1 1V 10mV B M2µs B CH2 10mV 10mV CH3 CH4 T 12 Figure 41. Line Transient Response ...
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THEORY OF OPERATION The ADP322/ADP323 triple LDO are low quiescent current, low dropout linear regulators that operate from 1 5 VIN1/VIN2 and VIN3 and provide up to 200 mA of current from each output. Drawing a ...
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ADP322/ADP323 APPLICATIONS INFORMATION CAPACITOR SELECTION Output Capacitor The ADP322/ADP323 are designed for operation with small, space-saving ceramic capacitors, but the parts function with most commonly used capacitors as long as care is taken with the effective series resistance (ESR) value. ...
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Use Equation 1 to determine the worst-case capacitance, accounting for capacitor variation over temperature, compo- nent tolerance, and voltage × (1 − TEMPCO) × (1 − TOL) EFF BIAS where the effective capacitance at the ...
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ADP322/ADP323 CURRENT-LIMIT AND THERMAL OVERLOAD PROTECTION The ADP322/ADP323 are protected against damage due to excessive power dissipation by current and thermal overload protection circuits. The ADP322/ADP323 are designed to current limit when the output load reaches 300 mA (typical). When ...
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TOTAL POWER DISSIPATION (W) Figure 50. Junction Temperature vs. Total Power Dissipation, T 140 120 100 0.2 0.4 0.6 0.8 TOTAL ...
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ADP322/ADP323 PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS Heat dissipation from the package can be improved by increasing the amount of copper attached to the pins of the ADP322/ADP323. However, as can be seen from Table 7, a point of diminishing returns ...
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... ADP322ACPZ-145-R7 −40°C to +125°C ADP322ACPZ-155-R7 −40°C to +125°C ADP322ACPZ-175-R7 −40°C to +125°C ADP322ACPZ-189-R7 −40°C to +125°C ADP323ACPZ-R7 −40°C to +125° RoHS Compliant Part. 2 For additional voltage options, contact a local sales or distribution representative 3.10 0.30 3 ...
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ADP322/ADP323 NOTES Rev Page ...
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NOTES Rev Page ADP322/ADP323 ...
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ADP322/ADP323 NOTES ©2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D09288-0-9/10(0) Rev Page ...