ADP2371ACPZ-3.3-R7
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Analog Devices Inc. ADP2371ACPZ-3.3-R7

Manufacturer No:
ADP2371ACPZ-3.3-R7
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC REG BUCK 3.3V 800MA 8LFCSP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The ADP2371ACPZ-3.3-R7 is a high-efficiency, low quiescent current, 800 mA buck (step-down) DC-to-DC converter produced by Analog Devices Inc. This device is designed to operate in small 8-lead, 0.75 mm × 3 mm × 3 mm LFCSP (QFN) packages, making it ideal for space-constrained applications. The ADP2371 features a proprietary high-speed current mode, constant frequency PWM control scheme, which ensures excellent stability and transient response. It also includes an internal power switch and a synchronous rectifier, eliminating the need for an external rectifier and minimizing the external part count for high efficiency.

Key Specifications

Parameter Value Unit
Input Voltage Range 3.2 V to 15 V V
Output Voltage 3.3 V (adjustable options available) V
Output Current 800 mA mA
Operating Frequency 600 kHz to 1.2 MHz (synchronizable) kHz/MHz
Operating Temperature Range -40°C to +125°C °C
Shutdown Current < 1.2 µA µA
Package Type 8-lead LFCSP (QFN)

Key Features

  • High efficiency synchronous rectifier architecture
  • Internal power switch and synchronous rectifier for minimal external part count
  • Power saving variable frequency mode to reduce switching frequency under light load conditions
  • Synchronizable to an external clock (600 kHz to 1.2 MHz)
  • Quick output discharge (QOD) function in ADP2371
  • Internal soft start and internal compensation for ease of use
  • Undervoltage lockout and soft start to prevent deep battery discharge and input overcurrent at startup
  • Short-circuit protection and thermal overload protection circuits
  • Power-good output to indicate when the output voltage is below 92% of its nominal value

Applications

  • Portable and battery-powered equipment
  • Automatic meter readers (WSN)
  • Point of sales and transaction processing instruments
  • Medical instruments
  • Medium format display tablets and pads

Q & A

  1. What is the input voltage range of the ADP2371ACPZ-3.3-R7?

    The input voltage range is from 3.2 V to 15 V.

  2. What is the maximum output current of the ADP2371ACPZ-3.3-R7?

    The maximum output current is 800 mA.

  3. What are the operating frequencies of the ADP2371ACPZ-3.3-R7?

    The device can operate at frequencies between 600 kHz and 1.2 MHz and can be synchronized to an external clock.

  4. What is the shutdown current of the ADP2371ACPZ-3.3-R7?

    The shutdown current is less than 1.2 µA.

  5. What package type is the ADP2371ACPZ-3.3-R7 available in?

    The device is available in an 8-lead LFCSP (QFN) package.

  6. Does the ADP2371ACPZ-3.3-R7 have a quick output discharge function?

    Yes, the ADP2371 includes a quick output discharge (QOD) function.

  7. What protection features does the ADP2371ACPZ-3.3-R7 have?

    The device includes undervoltage lockout, soft start, short-circuit protection, and thermal overload protection.

  8. Can the ADP2371ACPZ-3.3-R7 be synchronized to an external clock?

    Yes, the device can be synchronized to an external clock between 600 kHz and 1.2 MHz.

  9. What is the power-good output feature of the ADP2371ACPZ-3.3-R7?

    The power-good output indicates when the output voltage is below 92% of its nominal value.

  10. What are some typical applications of the ADP2371ACPZ-3.3-R7?

    Typical applications include portable and battery-powered equipment, automatic meter readers, point of sales instruments, medical instruments, and medium format display tablets and pads.

Product Attributes

Function:Step-Down
Output Configuration:Positive
Topology:Buck
Output Type:Fixed
Number of Outputs:1
Voltage - Input (Min):3.2V
Voltage - Input (Max):15V
Voltage - Output (Min/Fixed):3.3V
Voltage - Output (Max):- 
Current - Output:800mA
Frequency - Switching:600kHz ~ 1.2MHz
Synchronous Rectifier:Yes
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:8-WFDFN Exposed Pad, CSP
Supplier Device Package:8-LFCSP-WD (3x3)
0 Remaining View Similar

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Similar Products

Part Number ADP2371ACPZ-3.3-R7 ADP2370ACPZ-3.3-R7
Manufacturer Analog Devices Inc. Analog Devices Inc.
Product Status Active Active
Function Step-Down Step-Down
Output Configuration Positive Positive
Topology Buck Buck
Output Type Fixed Fixed
Number of Outputs 1 1
Voltage - Input (Min) 3.2V 3.2V
Voltage - Input (Max) 15V 15V
Voltage - Output (Min/Fixed) 3.3V 3.3V
Voltage - Output (Max) - -
Current - Output 800mA 800mA
Frequency - Switching 600kHz ~ 1.2MHz 600kHz ~ 1.2MHz
Synchronous Rectifier Yes Yes
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount
Package / Case 8-WFDFN Exposed Pad, CSP 8-WFDFN Exposed Pad, CSP
Supplier Device Package 8-LFCSP-WD (3x3) 8-LFCSP-WD (3x3)

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