ADP2300

RECOMMENDED FOR NEW DESIGNS

1.2 A, 20 V, 700 kHz Nonsynchronous Step-down Switching Regulator

Data Sheet (Rev. C) Product Selection Table
Part Models
2
1ku List Price
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Part Details

  • High efficiency, up to 91%
  • 1.2 A maximum load current
  • ±2% output accuracy over temperature range
  • 700kHz (ADP2300) or 1.4MHz (ADP2301) switching frequency options
  • Wide input voltage range: 3.0 V to 20 V
  • Current-mode control architecture
  • Output voltage from 0.8 V to 0.85×VIN
  • See datasheet for additional features
ADP2300
1.2 A, 20 V, 700 kHz Nonsynchronous Step-down Switching Regulator
ADP2300/ADP2301 Functional Block Diagram
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Documentation

Data Sheet 1

User Guide 1

Application Note 2

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Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • ADP2300

SIMPLIS Models 1

ADP230x Inverting Buck-Boost Regulator Design Tool

Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.

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ADP230x Buck Regulator Design Tool

Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.

Open Tool
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

EVAL-ADP2300

ADP2300 Evaluation Board

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Product Details

The ADP2300/ADP2301 are compact, constant-frequency, current-mode, step-down dc-to-dc regulators with an integrated power MOSFET. The ADP2300/ADP2301 evaluation boards are complete solutions that allow the user to evaluate the performance of the regulators. There are two frequency options available: the ADP2300 runs at 700 kHz, and the ADP2301 runs at 1.4 MHz. These options allow the user to make design decisions based on the trade-off between efficiency and the size of the total solution.


The ADP2300/ADP2301 provide accurate (±2%) output regulation for load currents up to 1.2 A. Current-mode control provides fast and stable line and load transient performance. The precision, EN pin, threshold voltage allows the ADP2300/ADP2301 to be sequenced from other input/output supplies. The EN pin can also be used as a programmable UVLO input by using a resistive divider.
EVAL-ADP2300
ADP2300 Evaluation Board

Reference Designs

Simplified Circuit Diagram
Simplified Circuit Diagram
CN0535 Circuits from the lab

High Performance, Alias Free Measurement Platform for Flexible Data Acquisition System

View Detailed Reference Design

Features and Benefits

  • Alias free Measurement System
  • Optimized for AC & DC Performance
  • Wide Analog Input (+/-12V)
  • FMC Compatible Form Factor

Part Used

Resources

Design & Integration Tools

Videos

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    CN0535 Mbed Example Program Setup
Bipolar Output DAC Circuit with ±5 V Power Supplies
Bipolar Output DAC Circuit with ±5 V Power Supplies
CN0183 Circuits from the lab

Precision 16-Bit, Bipolar Output Voltage Source with +12 V to ±5 V Supply

View Detailed Reference Design

Features and Benefits

  • Precision 16-bit voltage source
  • 8 Channels Self contained
  • +12V to +/- 5V supply
Figure 1. High Performance Conductivity Measurement System
Figure 1. High Performance Conductivity Measurement System
CN0359 - Top View
CN0359 - Bottom View
CN0359 Circuits from the lab

Fully Automatic High Performance Conductivity Measurement System

View Detailed Reference Design

Features and Benefits

  • Conductivity Range of 0.1 μS to 10 S
  • Automatic Measurement Ranging
  • 2- or 4-wire Conductivity Probe Compatible
  • External Temperature Compensation
  • Standalone Operation and Control
Current and Voltage Output DAC
Current and Voltage Output DAC
CN0198 Circuits from the lab

5 V Regulator Supplies High Transient Current for Dynamic Power Controlled DAC

View Detailed Reference Design

Features and Benefits

  • Quad 16-bit 4mA to 20mA and voltage output DAC
  • Dynamic power control
  • External 5V regulator
Functional Block Diagram of Universal Power Supply Module
Functional Block Diagram of Universal Power Supply Module
Photograph of EVAL-CN0190-EB1Z Universal Power Supply
CN0190 Circuits from the lab

Robust, Multivoltage, High Efficiency, 25 W Universal Power Supply Module with 6 V to 14 V Input

View Detailed Reference Design

Features and Benefits

  • 12 different voltage and current output conditions
  • Configure the all other channels to be powered off
CN0535
High Performance, Alias Free Measurement Platform for Flexible Data Acquisition System
Simplified Circuit Diagram
CN0183
Precision 16-Bit, Bipolar Output Voltage Source with +12 V to ±5 V Supply
Bipolar Output DAC Circuit with ±5 V Power Supplies
CN0359
Fully Automatic High Performance Conductivity Measurement System
Figure 1. High Performance Conductivity Measurement System
CN0359 - Top View
CN0359 - Bottom View
CN0198
5 V Regulator Supplies High Transient Current for Dynamic Power Controlled DAC
Current and Voltage Output DAC
CN0190
Robust, Multivoltage, High Efficiency, 25 W Universal Power Supply Module with 6 V to 14 V Input
Functional Block Diagram of Universal Power Supply Module
Photograph of EVAL-CN0190-EB1Z Universal Power Supply

Latest Discussions

3 Years Ago
RE: CN0359 Eval Kit Circuit Changes
3 Years Ago
RE: ADP2300 - can I use 'EN' PIN to connect to external PWM source (~20kHz)?
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