ADM7170ACPZ-1.3-R7

$3.76

Description：IC REG LIN 1.3V 500MA 8-LFCSP-WD
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:84333d8d661c Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG LIN 1.3V 500MA 8-LFCSP-WD
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：6.5V
Voltage - Output (Min/Fixed)：1.3V
Voltage - Output (Max)：-
Voltage Dropout (Max)：-
Current - Output：500mA
Current - Quiescent (Iq)：2 mA
Current - Supply (Max)：5.1 mA
PSRR：-
Control Features：Enable, Soft Start
Protection Features：Over Current, Over Temperature
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：8-WFDFN Exposed Pad, CSP
Supplier Device Package：8-LFCSP-WD (3x3)
Grade：-
Qualification：-

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ADM7170ACPZ-1.3-R7

Overview

The ADM7170ACPZ-1.3-R7 is a fixed-output low dropout linear regulator providing 1.3 V at up to 500 mA load current. It operates from an input voltage range of 2.3 V to 6.5 V with a typical quiescent current of 0.7 mA and shutdown current of 0.25 μA. The device features ultralow output noise of 5 μV rms (100 Hz to 100 kHz) and high power supply rejection ratio of 60 dB at 100 kHz. Initial accuracy is ±0.75%, dropping to ±1.25% over line, load, and temperature conditions. Dropout voltage is 42 mV at full load. It includes precision enable, adjustable soft start, and thermal/current limit protection.

Feature Summary

Ultralow noise performance independent of output voltage setting
High power supply rejection ratio across wide frequency range
Fast transient response utilizing small ceramic capacitors
Precision enable pin with defined logic thresholds

Applications

Noise-sensitive analog circuits such as ADCs and DACs
Precision amplifiers and PLL/VCO regulation
Clocking IC power supplies in communications infrastructure
Medical and healthcare instrumentation systems

Procurement Notes

Verify the specific suffix R7 indicates reel packaging configuration when sourcing. Confirm the 1.3 V fixed output variant matches system requirements against other available fixed voltages in the ADM7170 family. Ensure PCB layout supports the exposed pad for thermal management. Check datasheet for minimum capacitance requirements to maintain stability under all operating conditions.

Selection Notes

Select this component for applications requiring low noise and fast transient response from a single rail. The fixed 1.3 V output eliminates external resistor dividers compared to adjustable versions. Verify input voltage headroom meets the minimum dropout requirement at maximum load current. Consider the 8-lead LFCSP package size for space-constrained designs requiring surface mount assembly.

Part Context

The ADM7170 belongs to Analog Devices' CMOS LDO family designed for high-performance mixed-signal circuits. It shares architectural similarities with the ADM7171 (1 A) and ADM7172 (2 A) variants, offering scalable current capabilities within the same package footprint. The series emphasizes low noise and high PSRR for sensitive analog loads.