ADP2370ACPZ-3.3-R7
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Analog Devices Inc. ADP2370ACPZ-3.3-R7

Manufacturer No:
ADP2370ACPZ-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 ADP2370ACPZ-3.3-R7 is a high-efficiency, low quiescent current, 800 mA buck (step-down) DC-DC converter produced by Analog Devices Inc. This component is part of the ADP2370/ADP2371 family, which is designed for use in portable and battery-powered equipment. The ADP2370ACPZ-3.3-R7 operates in a small 8-lead, 0.75 mm × 3 mm × 3 mm LFCSP (QFN) package, making it ideal for space-constrained applications. It employs a proprietary high-speed current mode, constant frequency PWM control scheme, ensuring excellent stability and transient response. The device also features 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 Voltage 3.3 V (fixed) V
Output Current 800 mA A
Switching Frequency 600 kHz or 1.2 MHz Hz
Feedback Voltage Accuracy ±1% (initial set point) %
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) %
Package Type 8-lead LFCSP (QFN) -
Package Dimensions 0.75 mm × 3 mm × 3 mm mm

Key Features

  • High efficiency synchronous rectifier architecture
  • Low quiescent current and shutdown current (<1.2 µA)
  • 100% duty cycle capability
  • Quick output discharge (QOD) option (ADP2371)
  • Synchronizable to an external clock (600 kHz to 1.2 MHz)
  • Power saving variable frequency mode under light load conditions
  • Integrated switched resistor (ADP2371)
  • Supported by ADIsimPower design tool

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-3.3-R7?

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

  2. What is the fixed output voltage of the ADP2370ACPZ-3.3-R7?

    The fixed output voltage is 3.3 V.

  3. What is the maximum output current of the ADP2370ACPZ-3.3-R7?

    The maximum output current is 800 mA.

  4. What are the available switching frequencies for the ADP2370ACPZ-3.3-R7?

    The available switching frequencies are 600 kHz and 1.2 MHz.

  5. Does the ADP2370ACPZ-3.3-R7 support synchronization with 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 efficiency of the ADP2370ACPZ-3.3-R7 under typical conditions?

    The efficiency can be up to 92% under typical conditions (IOUT = 250 mA, VIN = 7.2 V, VOUT = 3.3 V).

  7. What package type and dimensions does the ADP2370ACPZ-3.3-R7 come in?

    The package type is an 8-lead LFCSP (QFN) with dimensions of 0.75 mm × 3 mm × 3 mm.

  8. Does the ADP2370ACPZ-3.3-R7 have a quick output discharge (QOD) option?

    No, the QOD option is available in the ADP2371, not the ADP2370.

  9. What design tool supports the ADP2370ACPZ-3.3-R7?

    The ADP2370ACPZ-3.3-R7 is supported by the ADIsimPower design tool.

  10. What are some typical applications of the ADP2370ACPZ-3.3-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: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)
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Similar Products

Part Number ADP2370ACPZ-3.3-R7 ADP2371ACPZ-3.3-R7 ADP2360ACPZ-3.3-R7 ADP2370ACPZ-3.0-R7
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Active Active
Function Step-Down Step-Down Step-Down Step-Down
Output Configuration Positive Positive Positive Positive
Topology Buck Buck Buck Buck
Output Type Fixed Fixed Fixed Fixed
Number of Outputs 1 1 1 1
Voltage - Input (Min) 3.2V 3.2V 4.5V 3.2V
Voltage - Input (Max) 15V 15V 60V 15V
Voltage - Output (Min/Fixed) 3.3V 3.3V 3.3V 3V
Voltage - Output (Max) - - - -
Current - Output 800mA 800mA 50mA 800mA
Frequency - Switching 600kHz ~ 1.2MHz 600kHz ~ 1.2MHz - 600kHz ~ 1.2MHz
Synchronous Rectifier Yes Yes Yes Yes
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 125°C (TJ) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-WFDFN Exposed Pad, CSP 8-WFDFN Exposed Pad, CSP 8-WDFN Exposed Pad, CSP 8-WFDFN Exposed Pad, CSP
Supplier Device Package 8-LFCSP-WD (3x3) 8-LFCSP-WD (3x3) 8-LFCSP (3x3) 8-LFCSP-WD (3x3)

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