ADP5070ACPZ
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Analog Devices Inc. ADP5070ACPZ

Manufacturer No:
ADP5070ACPZ
Manufacturer:
Analog Devices Inc.
Package:
Tray
Description:
IC REG BST SEPIC ADJ DL 20LFCSP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The ADP5070ACPZ from Analog Devices Inc. is a dual high-performance DC-to-DC regulator designed to generate independently regulated positive and negative output rails. This regulator is versatile, supporting a wide input voltage range of 2.85 V to 15 V, making it suitable for a variety of applications. The ADP5070 features integrated main switches for both the boost and inverting regulators, enabling adjustable positive output voltages up to +39 V and negative output voltages down to -39 V below the input voltage. The device operates at a pin-selected 1.2 MHz or 2.4 MHz switching frequency and can be synchronized with an external oscillator for noise reduction in sensitive applications.

Key Specifications

ParameterMinTypMaxUnitTest Conditions/Comments
Input Supply Voltage Range2.8515VPVIN1, PVIN2, PVINSYS
Boost Switch Current1.0A
Inverter Switch Current0.6A
Positive Output Voltage Range39VAdjustable
Negative Output Voltage Range-39VAdjustable, below VIN
Switching Frequency1.2 MHz2.4 MHzPin-selected
Operating Junction Temperature Range-40°C125°C
Package Type20-lead LFCSP or 20-lead TSSOP

Key Features

  • Wide input supply voltage range: 2.85 V to 15 V
  • Adjustable positive output up to +39 V and negative output down to -39 V below input voltage
  • Integrated 1.0 A main switch for boost regulator and 0.6 A main switch for inverting regulator
  • Optional single-ended primary-inductor converter (SEPIC) configuration for automatic step-up/step-down
  • True shutdown for both positive and negative outputs
  • Resistor programmable soft start timer and slew rate control for lower system noise
  • Individual precision enable and flexible start-up sequence control
  • Out-of-phase operation
  • UVLO, OCP, OVP, and TSD protection

Applications

The ADP5070ACPZ is suitable for various applications requiring dual regulated positive and negative voltage rails, such as:

  • Bipolar ADC/DAC/AMP power supplies
  • High-performance analog circuits
  • Audio and video equipment
  • Medical devices
  • Industrial control systems

Q & A

  1. What is the input voltage range of the ADP5070ACPZ?
    The input voltage range is from 2.85 V to 15 V.
  2. What are the maximum positive and negative output voltages?
    The maximum positive output voltage is +39 V, and the maximum negative output voltage is -39 V below the input voltage.
  3. What are the switching frequencies available for the ADP5070ACPZ?
    The device operates at pin-selected 1.2 MHz or 2.4 MHz switching frequencies.
  4. Does the ADP5070ACPZ support external frequency synchronization?
    Yes, it can synchronize with an external oscillator from 1.0 MHz to 2.6 MHz.
  5. What safety features are included in the ADP5070ACPZ?
    The device includes UVLO, OCP, OVP, and TSD protection.
  6. What is the junction temperature range for the ADP5070ACPZ?
    The operating junction temperature range is from -40°C to +125°C.
  7. What package types are available for the ADP5070ACPZ?
    The device is available in 20-lead LFCSP or 20-lead TSSOP packages.
  8. Does the ADP5070ACPZ support flexible start-up sequencing?
    Yes, it supports manual enable, simultaneous mode, positive supply first, and negative supply first start-up sequences.
  9. How does the ADP5070ACPZ manage inrush current at power-up?
    The device includes a fixed internal or resistor programmable soft start timer to prevent inrush current.
  10. What is the purpose of the slew rate control in the ADP5070ACPZ?
    The slew rate control is used to reduce electromagnetic interference (EMI) by adjusting the MOSFET driver stage.

Product Attributes

Function:Step-Up, Step-Up/Step-Down
Output Configuration:Positive and Negative (Dual Rail)
Topology:Boost, SEPIC
Output Type:Adjustable
Number of Outputs:2
Voltage - Input (Min):2.85V
Voltage - Input (Max):15V
Voltage - Output (Min/Fixed):0.8V, 1.6V
Voltage - Output (Max):±39V
Current - Output:600mA, 1A
Frequency - Switching:1.2MHz, 2.4MHz
Synchronous Rectifier:No
Operating Temperature:-40°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Package / Case:20-WFQFN Exposed Pad, CSP
Supplier Device Package:20-LFCSP (4x4)
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Similar Products

Part Number ADP5070ACPZ ADP5071ACPZ
Manufacturer Analog Devices Inc. Analog Devices Inc.
Product Status Active Active
Function Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down
Output Configuration Positive and Negative (Dual Rail) Positive and Negative (Dual Rail)
Topology Boost, SEPIC Boost, SEPIC
Output Type Adjustable Adjustable
Number of Outputs 2 2
Voltage - Input (Min) 2.85V 2.85V
Voltage - Input (Max) 15V 15V
Voltage - Output (Min/Fixed) 0.8V, 1.6V 0.8V, 1.6V
Voltage - Output (Max) ±39V ±39V
Current - Output 600mA, 1A 1.2A, 2A
Frequency - Switching 1.2MHz, 2.4MHz 1.2MHz, 2.4MHz
Synchronous Rectifier No No
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount
Package / Case 20-WFQFN Exposed Pad, CSP 20-WFQFN Exposed Pad, CSP
Supplier Device Package 20-LFCSP (4x4) 20-LFCSP (4x4)

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