Analog Devices Inc. ADP3414JRZ-REEL7

Overview

ADP3414JRZ-REEL7 from Analog Devices is a dual bootstrapped N-channel MOSFET driver optimized for synchronous buck converters, delivering 3.5 Ω high-side sourcing resistance, 2.5 Ω low-side sinking resistance, and 20 ns low-side transition time into 3 nF load - used to drive CPU core power stages in mobile and desktop computing platforms.

For engineers reviewing the ADP3414JRZ-REEL7 datasheet, ADP3414JRZ-REEL7 pinout, ADP3414JRZ-REEL7 application, or ADP3414JRZ-REEL7 equivalent, key selection criteria include bootstrap-compatible high-side drive capability, overlap protection timing (50 ns fixed Q2→Q1 delay, SW-pin–monitored Q1→Q2 delay), propagation delay matching (tpdhDRVH = 86 ns max, tpdlDRVL = 25 ns max), and SOIC-8 thermal performance (θJA = 155°C/W).

Technical Context

The ADP3414JRZ-REEL7 integrates two independent gate drivers with adaptive overlap protection: high-side drive uses BST/SW bootstrap architecture enabling floating operation up to +26 V on BST relative to SW, while low-side drive references VCC/PGND directly. Both outputs feature matched propagation delays and sub-30 ns transitions under 7 V supply and 3 nF load.

Its ODP circuit enforces non-overlapping FET switching via dual mechanisms - Q1 turn-off to Q2 turn-on delay is dynamically controlled by SW node voltage decay to ≤1 V, whereas Q2 turn-off to Q1 turn-on delay is fixed at 50 ns plus internal 20 ns propagation - eliminating shoot-through across temperature, voltage, and gate charge variations.

Key Specifications

Pinout & Package

ADP3414JRZ-REEL7 is housed in an 8-lead standard SOIC package (JEDEC MS-012AA, 3.9 mm × 4.9 mm body, 1.27 mm pitch), with exposed pad omitted and NC pin (Pin 3) unconnected per design.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual N-channel MOSFET driver applications.

Compared with LM5113MMX/NOPB and MP6610DQKT-LF-Z, ADP3414JRZ-REEL7 uniquely combines SOIC-8 compatibility, SW-voltage–monitored adaptive overlap protection, and guaranteed 20 ns low-side fall time - making it the only option qualified for Intel/AMD CPU core VRM reference designs requiring strict shoot-through immunity.

Availability

ADP3414JRZ-REEL7 is available at Aetrix Electronics and suitable for mobile computing CPU core power converters, multiphase desktop CPU supplies, and single-supply synchronous buck converters requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for ADP3414JRZ-REEL7 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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving precision instrumentation, industrial automation, communications, and computing markets since 1965.

The ADP3414JRZ-REEL7 belongs to Analog Devices' power management driver product line, engineered specifically for high-efficiency, high-density synchronous buck regulators in CPU/GPU core power applications - emphasizing timing accuracy, shoot-through immunity, and thermal reliability in SOIC packaging.

FAQ

What is the maximum allowable voltage on the BST pin of the ADP3414JRZ-REEL7?

The BST pin of the ADP3414JRZ-REEL7 has an absolute maximum rating of +30 V relative to PGND and –0.3 V to +8 V relative to the SW pin. This allows safe operation with input voltages up to 25 V on the SW node when combined with a properly rated bootstrap capacitor and Schottky diode - critical for 12 V input CPU VRMs. Exceeding these limits risks permanent damage to the high-side driver stage.

Does the ADP3414JRZ-REEL7 require external components for bootstrap operation?

Yes, the ADP3414JRZ-REEL7 requires an external bootstrap capacitor (CBST) and Schottky diode connected between BST and SW pins. The datasheet specifies CBST values from 100 nF to 1 µF depending on high-side MOSFET gate charge and allowable droop; a 100 nF X7R ceramic capacitor and 40 V Schottky diode (e.g., MBR052LTI) are validated in Intel CPU reference designs using ADP3414JRZ-REEL7.

How does the overlap protection circuit in the ADP3414JRZ-REEL7 prevent shoot-through?

The ADP3414JRZ-REEL7 implements dual-path overlap protection: Q1 turn-off to Q2 turn-on delay is triggered only after SW node voltage falls to ≤1 V, ensuring high-side FET is fully off before low-side activation; Q2 turn-off to Q1 turn-on delay is fixed at 50 ns plus 20 ns internal propagation - both mechanisms are hardware-based and temperature/voltage invariant, guaranteeing shoot-through immunity without software or external timing components.

Can the ADP3414JRZ-REEL7 drive 3 nF gate loads at 500 kHz switching frequency?

Yes, the ADP3414JRZ-REEL7 is characterized to drive 3 nF loads with 20–30 ns transition times and 15–86 ns propagation delays at 7 V supply - enabling reliable operation at 500 kHz in synchronous buck converters. TPC 7 confirms supply current remains below 8 mA at 500 kHz with 3 nF load, validating thermal stability for continuous high-frequency use in ADP3414JRZ-REEL7-based VRMs.

Is the NC pin (Pin 3) on the ADP3414JRZ-REEL7 safe to connect to ground or leave floating?

Pin 3 of the ADP3414JRZ-REEL7 is designated NC (No Connect) and must remain unconnected - neither grounded nor tied to any voltage. Internal circuitry leaves this pin electrically isolated; connecting it risks parasitic coupling, latch-up, or undefined behavior. The SOIC-8 layout in Figure 7 and Pin Function Descriptions explicitly prohibit any PCB trace or solder joint on Pin 3 for ADP3414JRZ-REEL7.