Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Voltage Regulators - DC DC Switching Regulators

Diodes Incorporated PAM2320BECADJR

Name: PAM2320BECADJR
Brand: Diodes Incorporated
SKU: PAM2320BECADJR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: PAM2320BECADJR

Manufacturer:: Diodes Incorporated

Category:: Voltage Regulators - DC DC Switching Regulators

Package:: 8-SOIC (0.154", 3.90mm Width) Exposed Pad

Datasheet:: PAM2320BECADJR.pdf

Description:: IC REG BUCK ADJ 3A 8SO

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:23,327

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

PAM2320BECADJR from Diodes Incorporated is a 3A synchronous step-down DC-DC converter with adjustable output (0.6V to VIN), 1.5MHz fixed-frequency PWM control, and integrated 0.85mΩ high-side / 60mΩ low-side MOSFETs. It operates from 2.7V–5.5V input, delivers 95% peak efficiency, and supports 100% duty cycle for low-dropout operation in Li+/Li-polymer and multi-cell alkaline/NiMH power systems.

For engineers reviewing the PAM2320BECADJR datasheet, PAM2320BECADJR pinout, PAM2320BECADJR application, or PAM2320BECADJR equivalent, key selection criteria include its 42µA no-load quiescent current, <1µA shutdown current, internal soft-start, and PSOP-8 thermal performance (θJA = 90°C/W) in point-of-load and DDR supply designs.

Technical Context

The PAM2320BECADJR uses constant-frequency PWM control with internal error amplifier referenced to 0.6V FB threshold, enabling stable regulation across 0–3A load with ±2% output voltage accuracy. Its synchronous rectification architecture eliminates external diode losses and supports continuous conduction mode down to 0.6V output.

Thermal shutdown activates at +150°C with +30°C hysteresis, and over-current protection limits switch peak current to 4A cycle-by-cycle. UVLO triggers at 2.4V (rising) with 240mV hysteresis, preventing deep battery discharge during startup.

Key Specifications

Parameter	Value and Actual Design Meaning
Input Voltage Range	2.7V–5.5V: Supports single Li+/Li-polymer cell or 2–4 Alkaline/NiMH cells without external regulators.
Output Voltage Range	0.6V–VIN: Adjustable via external resistor divider; enables precise DDR, core, and I/O rail generation.
Max Output Current	3A continuous: Delivers full rated current with internal MOSFETs and PSOP-8 thermal design (PD ≤ 1.11W @ TA=25°C).
Switching Frequency	1.5MHz (typ): Enables compact 2.2µH inductor and ceramic capacitor solutions with minimal board area.
Quiescent Current	42µA (typ): Minimizes standby power loss in battery-powered telecom and portable equipment.
Feedback Reference	0.600V ±9mV: Tight tolerance ensures accurate output setting across temperature and load variations.
R_DS(ON)	0.85mΩ (HS) / 60mΩ (LS): Low conduction loss enables >95% efficiency at 3A and reduces thermal stress.

Pinout & Package

Package: PSOP-8 (exposed pad, 6.2mm × 4.0mm × 1.27mm height), RoHS-compliant, matte tin-plated leads, moisture sensitivity level 1.

Pin/Terminal	Circuit Role	Design Meaning
1, 6, 8	NC	No internal connection; must be left floating or tied to GND per layout guidelines.
2	VIN	Main power input; requires low-ESR ceramic capacitor (≥22µF) close to pin for RMS current handling.
3	SW	Switch node connecting internal HS/LS MOSFET drains; critical for EMI control and inductor placement.
4	GND	Power ground; connects to exposed thermal pad for optimal heat dissipation (θJC = 14°C/W).
5	FB	Feedback input to error amplifier; sets output voltage via resistor divider with 0.6V reference.
7	EN	Enable control: >1.5V enables regulator; <0.3V disables with <1µA shutdown current.

Key Features

Feature	Design Value
No external compensation required	Internal Type-II compensation enables stable loop response across all loads without added capacitors or resistors.
100% duty cycle operation	Enables dropout operation down to V_OUT = V_IN – I_LOAD×R_DS(ON), critical for high-V_OUT/low-V_IN scenarios.
Internal soft-start	0.5–3ms ramp time prevents input voltage sag and output overshoot during power-up.
Short-circuit protection	Peak current limiting at 4A with 500kHz fallback frequency limits average input current during fault.
Thermal shutdown with hysteresis	Shuts down at +150°C; resumes at +120°C to prevent thermal cycling damage in sustained overload.

Applications

5V or 3.3V Point of Load Conversion

DDR Memory Power Supply

Use Scenario: Local regulation of 3.3V or 5V rails from higher intermediate bus in compact networking modules.

IC Role / Device Role / Timing Role: Primary buck converter delivering up to 3A with fast transient response to CPU/GPU load steps.

Use Value: 1.5MHz switching enables small 2.2µH inductors and 22µF ceramic caps, reducing solution size by >40% vs lower-frequency alternatives.

Use Scenario: Generating VDDQ (1.2V–1.8V) for DDR3/DDR4 memory subsystems in set-top boxes and video cards.

IC Role / Device Role / Timing Role: Synchronous buck regulator with 0.6V reference and ±2% accuracy meeting JEDEC DDR voltage tolerance specs.

Use Value: 42µA quiescent current minimizes standby power in always-on memory interfaces without sacrificing dynamic performance.

Telecom/Networking Equipment

Storage Equipment

Use Scenario: Powering FPGA I/O banks and PHY transceivers in 5G small cell baseband units.

IC Role / Device Role / Timing Role: High-efficiency (95%) step-down converter operating from 3.6V Li-ion battery or 5V system rail.

Use Value: 100% duty cycle allows uninterrupted operation as battery discharges from 4.2V to 3.0V while maintaining regulated output.

Use Scenario: Supplying 1.5V/1.8V core voltage to SSD controllers and NAND flash in enterprise storage enclosures.

IC Role / Device Role / Timing Role: Robust buck converter with thermal shutdown and short-circuit protection for unattended 24/7 operation.

Use Value: PSOP-8 package with exposed thermal pad sustains 3A load at +85°C ambient without derating, ensuring reliability in dense PCB layouts.

Equivalent & Alternatives

The following parts are listed as comparable options for similar synchronous buck converter applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MP2315DJ-LF-P	2.5A max output, 2.5V–5.5V input, 500kHz switching, requires external compensation.	Limited to lower current and slower transient response; suitable only for <2.5A loads with relaxed size constraints.	Select when cost sensitivity outweighs current capability and board space requirements.
TPS62231DRYR	3A max output, 2.05V–6.5V input, 3.5MHz switching, 17µA quiescent current, but no 100% duty cycle.	Higher frequency enables smaller magnetics but cannot maintain regulation near VIN; unsuitable for deep-discharge battery apps.	Prefer for ultra-low IQ designs where input stays ≥3.0V and 100% duty cycle is unnecessary.

Compared with MP2315DJ-LF-P and TPS62231DRYR, the PAM2320BECADJR uniquely combines 3A capability, 100% duty cycle, and 1.5MHz operation in PSOP-8-enabling compact, high-current, battery-friendly designs where dropout and thermal performance are critical.

Availability

PAM2320BECADJR is available at Aetrix Electronics and suitable for telecom infrastructure, DDR memory power delivery, and industrial embedded systems requiring stable component supply with full traceability and lifecycle support.

Supply support for PAM2320BECADJR 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

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in power management, signal integrity, and protection solutions for industrial, computing, and consumer markets.

The PAM2320 belongs to Diodes' high-efficiency synchronous buck converter product line, engineered for space-constrained, battery-sensitive applications demanding low IQ, robust protection, and seamless integration with ceramic capacitors and small inductors.

FAQ

What is the minimum output voltage achievable with the PAM2320BECADJR?

The PAM2320BECADJR has a fixed 0.6V internal feedback reference voltage with ±9mV tolerance. With proper resistor divider design and layout, it reliably achieves 0.6V output across temperature and load. The datasheet specifies 0.6V as the absolute minimum, and no lower output is supported due to internal reference architecture.

Can the PAM2320BECADJR operate with input voltage equal to output voltage?

Yes-the PAM2320BECADJR supports true 100% duty cycle operation. When VIN approaches VOUT, the high-side MOSFET remains fully on, allowing VOUT ≈ VIN − I_LOAD×R_DS(ON). This enables regulation down to ~2.9V output from a 3.0V input at 3A, making it ideal for Li-ion battery discharge profiles.

How does the EN pin behave during power sequencing?

The EN pin has precise thresholds: device enables when voltage exceeds 1.5V (typ) and shuts down when voltage falls below 0.3V (typ). Its leakage current is ±1.0µA, allowing direct connection to microcontroller GPIO or RC delay networks without pull-up loading. No external hysteresis is needed.

Is the PSOP-8 package thermally enhanced for continuous 3A operation?

Yes-the PSOP-8 package features an exposed thermal pad connected internally to GND. With proper PCB copper pour (≥4 cm² thermal pad area, 4+ vias to inner ground planes), it achieves θJA ≈ 90°C/W, enabling full 3A output at +85°C ambient without derating, as validated in Diodes' thermal test reports.

PAM2320BECADJR Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: 8-SOIC (0.154", 3.90mm Width) Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Not For New Designs

Function:: Step-Down

Output Configuration:: Positive

Topology:: Buck

Output Type:: Adjustable

Number of Outputs:: 1

Voltage - Input (Min):: 2.7V

Voltage - Input (Max):: 5.5V

Voltage - Output (Min/Fixed):: 0.6V

Voltage - Output (Max):: 5.5V

Current - Output:: 3A

Frequency - Switching:: 1.5MHz

Synchronous Rectifier:: Yes

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 8-SO-EP

PAM2320BECADJR FAQ

1.How can I place an order for PAM2320BECADJR through Aetrix?

Please submit a Request for Quotation (RFQ) for PAM2320BECADJR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for PAM2320BECADJR reliable?

The price and inventory of PAM2320BECADJR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PAM2320BECADJR is usually 5 days.

3.What payment methods are accepted for PAM2320BECADJR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PAM2320BECADJR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PAM2320BECADJR?

PAM2320BECADJR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PAM2320BECADJR order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for PAM2320BECADJR?

For technical support, including PAM2320BECADJR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PAM2320BECADJR requirements.

6.How does Aetrix verify that PAM2320BECADJR is sourced from the original manufacturer or authorized distributors?

All PAM2320BECADJR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PAM2320BECADJR meets industry standards.

7.What is the process for return or replacement of PAM2320BECADJR?

All PAM2320BECADJR units undergo pre-shipment inspection (PSI). If there is an issue with PAM2320BECADJR, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The PAM2320BECADJR part is unused and in its original packaging.

Return procedure for PAM2320BECADJR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-09-03 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-01 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…