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ADP5034ACPZ

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Dual 3 MHz, 1200mA Buck Regulator with Two 300 mA LDOs

Manufacturer : Analog Devices, Inc
Package/Case : LFCSP24
Product Categories : Step-Down (Buck) Regulators ; Multiple Output Buck
Datasheet: ADP5034ACPZ Datasheet (PDF)
RoHs Status: Lead free/RoHS Compliant
In-stock: 156

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ADP5034ACPZ Product Details

The high switching frequency of the buck regulators enables tiny multilayer external components and minimizes the board space. When the MODE pin is set high, the buck regulators operate in forced PWM mode. When the MODE pin is set low, the buck regulators operate in PWM mode when the load is around the nominal value. When the load current falls below a predefined threshold, the regulator operates in power save mode (PSM), improving the light-load efficiency.

The two bucks operate out of phase to reduce the input capaci-tor requirement. The low quiescent current, low dropout voltage, and wide input voltage range of the ADP5034ACPZ LDOs extend the battery life of portable devices. The ADP5034ACPZ LDOs maintain power supply rejection greater than 60 dB for frequencies as high as 10 kHz while operating with a low headroom voltage.

Regulators in the ADP5034ACPZ are activated though dedicated enable pins. The default output voltages can be externally set in the adjustable version, or factory programmable in the fixed voltage version, and can be set to a wide range of preset values

Feature

  • Main input voltage range: 2.3 V to 5.5 V
  • Two 1200 mA buck regulators and two 300 mA LDOs
  • 24-lead, 4 mm × 4 mm LFCSP or 28-lead TSSOP package
  • Regulator accuracy: ±1.8%
  • Factory programmable or external adjustable VOUTx
  • 3 MHz buck operation with forced PWM and auto PWM/PSM modes
  • BUCK1/BUCK2: output voltage range from 0.8 V to 3.8 V
  • LDO1/LDO2: output voltage range from 0.8 V to 5.2 V
  • LDO1/LDO2: input supply voltage from 1.7 V to 5.5 V
  • LDO1/LDO2: high PSRR and low output noise

Applications

  • Power for processors, ASICS, FPGAs, and RF chipsets
  • Portable instrumentation and medical devices
  • Space constrained devices

ADP5034ACPZ Pinout
(Picture: Pinout)

ADP5034ACPZ Block Diagram
(Picture: Diagram)

Technical Parameters

  • Number of Outputs
  • 4
  • Vinmin | V
  • 2.3
  • Vinmax | V
  • 5.5
  • Buck Output Currenttyp | A
  • 1.2, 1.2
  • Comments
  • Dual 3 MHz, 1200mA Buck Regulator with Two 300 mA LDOs
  • Monolithic
  • Yes
  • Synchronous
  • Yes

ADP5034ACPZ Datasheet

  • ADP5034 Technical Documentation/Data sheet

ADP5034ACPZ Related Products

Ratings and Reviews (1)

  • 5 / 5
  • 5 Stars 100%
  • 4 Stars 0%
  • 3 Stars 0%
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  • 1 Stars 0%
  • **im A***
    2019-08-18

    Alles top gelaufen, Danke.

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Analog Devices, Inc

ADI
Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized module used in test and measurement equipment. In 1967, the company published the first issue of its...

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