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Integrated, Step-Down Switching Regulator

Monolithically Integrated, Step-Down Switching Regulator with High Power Density and Low Component Count

产品详情

主要特征

Parametric specs for Step-Down Switching Regulators
VIN (V) (min) 4.5
VIN (V) (max) 16
VOUT1 (V) (min) 0.6
VOUT1 (V) (max) 5.5
IOUT1 (A) (max) 35
Switch Type Internal
Preset VOUT (V) 1
Output Adjust. Method Preset
Resistor
Synchronous Switching? Yes
Power Good Signal Yes
# DC-DC Outputs 1
Switching Frequency (kHz) 400
600
800
Design Tools EE-Sim
Package/Pins FCQFN/15
Budgetary
Price (See Notes)
4.11
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简化框图

Technical Docs

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参量

Parametric specs for Step-Down Switching Regulators
VIN (V) (min) 4.5
VIN (V) (max) 16
VOUT1 (V) (min) 0.6
VOUT1 (V) (max) 5.5
IOUT1 (A) (max) 35
Switch Type Internal
Preset VOUT (V) 1
Output Adjust. Method Preset
Resistor
Synchronous Switching? Yes
Power Good Signal Yes
# DC-DC Outputs 1
Switching Frequency (kHz) 400
600
800
Design Tools generateDesignEESIMUrl('http://maxim.transim.com/pwm2/designreq/Index?partId=2806', '')
Package/Pins FCQFN/15
Budgetary
Price (See Notes)
4.11

主要特征

  • High Power Density and Low Component Count
    • Overall Solution Size: 509mm2 Including Inductor and Output Capacitors
    • 90.8% Peak Efficiency: VDDH = 12V and VOUT = 1V
    • Fast Transient Response: Supports Up to 300A/μs Load Step Transients
  • Optimized Component Performance and Efficiency with Reduced Design-In Time
  • Increased Power-Supply Reliability with System anIC Self-Protection Features
    • Differential Remote Sense with Open-Circuit Detection
    • Hiccup Overcurrent Protection
    • Programmable Thermal Shutdown

应用/用途

  • µP Chipsets
  • Communications Equipment
  • I/O
  • Memory VDDQ
  • Networking Equipment
  • Point-of-Load Voltage Regulators
  • Servers and Storage Equipment

描述

The MAX20733 is a fully integrated, highly efficient switching regulator for applications operating from 4.5V to 16V and requiring up to 35A maximum load. This singlechip regulator provides extremely compact, high-efficiency power-delivery solutions with high-precision output voltages and excellent transient respondse for networking, datacom, and telecom equipment.

The IC offers a broad range of programmable features through capacitors and resistors connected to dedicated programming pins. Using this feature, the operation can be optimized for a specific application, reducing the component count- and/or setting-appropriate trade-offs between the regulator's performance and system cost. Ease of programming enables using the same design for multiple applications.

The MAX20733 includes protection capabilities. Positive and negative cycle-by-cycle overcurrent protection and overtemperature protection ensure a rugged design. Input undervoltage lockout shuts down the device to prevent operation when the input voltage is out of specification. A status pin provides an output signal to show that the output voltage is within range and the system is regulating.

简化框图

MAX20733: Typical Application Circuit MAX20733: Typical Application Circuit Zoom icon

Technical Docs

支持和培训

在Maxim的知识库中搜索技术问题的答案

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Maxim的专业工程师团队也会为您解答相应的技术问题,请访问Maxim的 支持中心