Analog Devices Inc. ADP1074ARWZ-RL

Overview

ADP1074ARWZ-RL from Analog Devices is an isolated, synchronous forward controller with integrated iCoupler® dielectric isolation and active clamp topology support. It delivers 5 kV rms isolation (wide-body SOIC), programmable 50–600 kHz switching frequency, 1 A primary/secondary MOSFET drivers, and <1% accurate voltage reference for telecom and industrial isolated DC-DC power supplies.

For engineers reviewing the ADP1074ARWZ-RL datasheet, ADP1074ARWZ-RL pinout, ADP1074ARWZ-RL application, or ADP1074ARWZ-RL equivalent, key selection criteria include its reinforced isolation rating (UL 1577, VDE V 0884-10), dual-side soft start (SS1/SS2), precision enable with hysteresis, and iCoupler-enabled feedback/PGOOD/synchronization across isolation barrier.

Technical Context

The ADP1074ARWZ-RL implements current-mode control in an active clamp forward topology, using proprietary iCoupler technology to replace optocouplers and signal transformers. Its primary-side circuitry handles VIN up to 60 V, NGATE/PGATE drive, slope compensation, and cycle-by-cycle overcurrent protection via CS pin sensing at 120 mV threshold.

Secondary-side functions include differential FB/OVP sensing referenced to AGND2, PGOOD open-drain flagging, SR1/SR2 synchronous rectifier drivers (5 V output, 1 A peak), and remote shutdown via MODE pin. Feedback and timing signals cross the isolation barrier via bidirectional iCoupler links with 600 ns COMP-signal delay and 320 ns OVP comparator latency.

Key Specifications

Pinout & Package

ADP1074ARWZ-RL is housed in a 24-lead wide-body SOIC (SOIC_W) package with creepage/clearance ≥7.6 mm and reinforced insulation per UL/VDE standards.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar isolated forward controller applications.

Compared with UCC28911DR and LT3748EMSE#TRPBF, ADP1074ARWZ-RL uniquely integrates iCoupler isolation, active clamp forward control, dual-side soft start, and synchronous rectifier drivers-enabling higher efficiency, smaller footprint, and certified reinforced insulation in telecom and industrial 30–200 W isolated supplies.

Availability

ADP1074ARWZ-RL is available at Aetrix Electronics and suitable for telecom intermediate bus generation, industrial isolated DC-DC conversion, and enterprise PoE-powered device applications requiring stable component supply, long-lifecycle assurance, and regulatory-compliant isolation.

Supply support for ADP1074ARWZ-RL includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving precision instrumentation, industrial automation, communications, and automotive markets.

The ADP1074ARWZ-RL belongs to Analog Devices' isolated power controller product line, designed specifically for high-efficiency, safety-certified isolated DC-DC conversion in space-constrained telecom and industrial systems.

FAQ

What isolation voltage rating does the ADP1074ARWZ-RL support?

The ADP1074ARWZ-RL supports 5 kV rms isolation for 1 minute per UL 1577 and has a maximum working insulation voltage (VIORM) of 849 V peak per VDE V 0884-10. This applies specifically to the wide-body SOIC package (RW-24) used in the ADP1074ARWZ-RL variant, enabling reinforced insulation in safety-critical applications.

Does the ADP1074ARWZ-RL require an external optocoupler for feedback?

No, the ADP1074ARWZ-RL does not require an external optocoupler. It integrates Analog Devices' patented iCoupler® technology to transmit feedback, PGOOD, and synchronization signals across the isolation barrier. This eliminates optocoupler aging, gain drift, and temperature-dependent latency-key advantages confirmed in the ADP1074ARWZ-RL datasheet Rev. E.

How is the switching frequency programmed on the ADP1074ARWZ-RL?

The switching frequency of the ADP1074ARWZ-RL is programmed using an external resistor (R_RT) connected from the RT pin to AGND1. Values from 40 kΩ to 480 kΩ set frequencies from 600 kHz down to 50 kHz, with ±10% tolerance. The ADP1074ARWZ-RL also supports external synchronization via the SYNC pin within ±10% of the RT-set frequency.

What protection features are integrated into the ADP1074ARWZ-RL?

The ADP1074ARWZ-RL integrates cycle-by-cycle input overcurrent protection (120 mV CS threshold), output overvoltage protection (1.36 V OVP threshold with 36 mV hysteresis), overtemperature shutdown (155°C), precision enable UVLO (4.7 V rising, 4.0 V falling), and PGOOD fault flagging. All protections are documented in the ADP1074ARWZ-RL datasheet Rev. E Absolute Maximum Ratings and Specifications tables.

Can the ADP1074ARWZ-RL operate with precharged output capacitors?

Yes, the ADP1074ARWZ-RL supports smooth soft start from precharged loads using its dual soft start architecture: SS1 controls primary-side ramp-up while SS2 manages secondary-side regulation handover. This capability is explicitly stated in the ADP1074ARWZ-RL General Description and Soft Start Procedure sections of the datasheet Rev. E.