ADP7158ARDZ-3.3-R7

$8.97

Description：IC REG LINEAR 3.3V 2A 8-SOIC-EP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:011a384f2559 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 LINEAR 3.3V 2A 8-SOIC-EP
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)：5.5V
Voltage - Output (Min/Fixed)：3.3V
Voltage - Output (Max)：-
Voltage Dropout (Max)：0.28V @ 2A
Current - Output：2A
Current - Quiescent (Iq)：8 mA
Current - Supply (Max)：14 mA
PSRR：70dB ~ 50dB (1kHz ~ 1MHz)
Control Features：Enable
Protection Features：Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
Supplier Device Package：8-SOIC-EP

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ADP7158ARDZ-3.3-R7

Overview

The ADP7158ARDZ-3.3-R7 is a fixed-output linear regulator from Analog Devices, providing a stable 3.3 V output with a maximum load current of 2 A. It operates within an input voltage range of 2.3 V to 5.5 V and features ultralow noise characteristics, including 0.9 µV rms integrated noise (100 Hz to 100 kHz) and a typical power supply rejection ratio of 70 dB at 1 kHz. The device achieves a dropout voltage of 200 mV at full load and maintains high accuracy with ±0.6% initial tolerance. Designed for RF applications, it supports ceramic capacitors and includes precision enable functionality.

Feature Summary

Ultralow noise architecture optimized for radio frequency circuits
High power supply rejection ratio across wide frequency ranges
Precision enable pin with programmable logic thresholds
Stable operation using standard ceramic output capacitors

Applications

Phase-locked loops (PLLs)
Voltage controlled oscillators (VCOs)
Backhaul and microwave links

Procurement Notes

Verify the specific suffix R7 indicates reel packaging when sourcing components. Confirm that the ARDZ designation corresponds to the required industrial temperature range and SOIC package type. Ensure compatibility with the intended PCB layout regarding thermal dissipation requirements for 2 A loads.

Selection Notes

Select this component for designs requiring minimal output noise in compact form factors. Consider the 2 A current capability against expected peak loads. Evaluate the 200 mV dropout voltage against minimum input supply constraints. Verify that the fixed 3.3 V output aligns with system voltage requirements without needing external adjustment resistors.

Part Context

This part belongs to the ADP7158 series of ultralow noise linear regulators designed specifically for RF applications. It shares architectural similarities with the ADP7156 and ADP7157 but offers higher current capacity. The series targets communications infrastructure where signal integrity is critical.