ADP2370ACPZ-R7
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Analog Devices Inc. ADP2370ACPZ-R7

Manufacturer No:
ADP2370ACPZ-R7
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC REG BUCK ADJ 800MA 8LFCSP
Delivery:
Payment:
iso14001
iso45001
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iso13485

Product Introduction

Overview

The ADP2370ACPZ-R7, produced by Analog Devices Inc., is a high-efficiency, low quiescent current, 800 mA buck (step-down) DC-DC converter. It is packaged in a small 8-lead, 3 mm x 3 mm LFCSP (QFN) package, making it ideal for space-constrained and portable applications. The converter operates from input voltages ranging from 3.2 V to 15 V, supporting multiple alkaline/NiMH, lithium cells, or other standard power sources. It features a proprietary high-speed current mode, constant frequency PWM control scheme, ensuring excellent stability and transient response. The device also includes a high-efficiency synchronous rectifier architecture, eliminating the need for an external rectifier.

Key Specifications

Parameter Value Unit
Input Voltage Range 3.2 V to 15 V V
Output Current 800 mA A
Output Voltage Options 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.0 V, 3.3 V, 5 V, and adjustable V
Feedback Voltage Accuracy ±1% %
Load Regulation 0.125 %/A %/A
Line Regulation 0.01 %/V %/V
Efficiency Up to 92% (IOUT = 250 mA, VIN = 7.2 V, VOUT = 3.3 V) %
Switching Frequency 600 kHz to 1.2 MHz kHz/MHz
Package Type 8-Lead LFCSP (QFN) -
Operating Temperature Range −40°C to +125°C °C

Key Features

  • High efficiency with up to 92% efficiency at typical operating conditions.
  • Low quiescent current and shutdown current (<1.2 µA).
  • Quick output discharge (QOD) option.
  • Synchronizable to an external clock (600 kHz to 1.2 MHz).
  • 100% duty cycle capability.
  • Power saving variable frequency mode to reduce switching frequency under light load conditions.
  • High-speed current mode, constant frequency PWM control scheme for excellent stability and transient response.
  • High-efficiency synchronous rectifier architecture eliminating the need for an external rectifier.
  • Precision enable and power good functions.

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 ADP2370ACPZ-R7?

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

  2. What is the maximum output current of the ADP2370ACPZ-R7?

    The maximum output current is 800 mA.

  3. What are the available output voltage options for the ADP2370ACPZ-R7?

    The output voltage options include 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.0 V, 3.3 V, 5 V, and an adjustable option.

  4. What is the feedback voltage accuracy of the ADP2370ACPZ-R7?

    The feedback voltage accuracy is ±1%.

  5. Can the ADP2370ACPZ-R7 be synchronized to an external clock?

    Yes, it can be synchronized to an external clock in the range of 600 kHz to 1.2 MHz.

  6. What is the typical efficiency of the ADP2370ACPZ-R7?

    The typical efficiency is up to 92% at IOUT = 250 mA, VIN = 7.2 V, and VOUT = 3.3 V.

  7. What is the package type of the ADP2370ACPZ-R7?

    The package type is an 8-Lead LFCSP (QFN).

  8. What is the operating temperature range of the ADP2370ACPZ-R7?

    The operating temperature range is −40°C to +125°C.

  9. Does the ADP2370ACPZ-R7 have a power saving mode?

    Yes, it has a power saving variable frequency mode to reduce switching frequency under light load conditions.

  10. What are some typical applications of the ADP2370ACPZ-R7?

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

Product Attributes

Function:Step-Down
Output Configuration:Positive
Topology:Buck
Output Type:Adjustable
Number of Outputs:1
Voltage - Input (Min):3.2V
Voltage - Input (Max):15V
Voltage - Output (Min/Fixed):0.8V
Voltage - Output (Max):14V
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)
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Similar Products

Part Number ADP2370ACPZ-R7 ADP2371ACPZ-R7 ADP2390ACPZ-R7 ADP2360ACPZ-R7 ADP2370ACPZ-R2
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Active Active Active
Function Step-Down Step-Down Step-Down Step-Down Step-Down
Output Configuration Positive Positive Positive Positive Positive
Topology Buck Buck Buck Buck Buck
Output Type Adjustable Adjustable Adjustable Adjustable Adjustable
Number of Outputs 1 1 1 1 1
Voltage - Input (Min) 3.2V 3.2V 4.5V 4.5V 3.2V
Voltage - Input (Max) 15V 15V 18V 60V 15V
Voltage - Output (Min/Fixed) 0.8V 0.8V 0.6V 0.8V 0.8V
Voltage - Output (Max) 14V 14V 18V 60V 14V
Current - Output 800mA 800mA 12A 50mA 800mA
Frequency - Switching 600kHz ~ 1.2MHz 600kHz ~ 1.2MHz 200kHz ~ 2.2MHz - 600kHz ~ 1.2MHz
Synchronous Rectifier Yes Yes Yes Yes Yes
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-WFDFN Exposed Pad, CSP 8-WFDFN Exposed Pad, CSP 32-VFQFN Exposed Pad, CSP 8-WDFN Exposed Pad, CSP 8-WFDFN Exposed Pad, CSP
Supplier Device Package 8-LFCSP-WD (3x3) 8-LFCSP-WD (3x3) 32-LFCSP-VQ (5x5) 8-LFCSP (3x3) 8-LFCSP-WD (3x3)

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