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DIODES AP63203WU-7RoHS

Manufacturer
DIODES
MPN
AP63203WU-7
LCSC Part #
C780769
Packaging
TSOT-23-6
Customer #
Key Attributes
3.8V to 32V Input, 2A Low Quiescent Current Synchronous Buck Converter with Enhanced EMI Suppression
Datasheetpdf iconDIODES AP63203WU-7
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QtyUnit Price(Reference Only)Total Amount
1+$ 0.6869$ 0.69
10+$ 0.5909$ 5.91
30+$ 0.5241$ 15.72
100+$ 0.4688$ 46.88
500+$ 0.433$ 216.50
1,000+$ 0.4216$ 421.60
Standard Packaging3000/Full Reel
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerDIODES
PackagingTSOT-23-6
Operating Temperature-40℃~+85℃@(TA)
Frequency - Switching1.1MHz
FunctionStep-down type
Number of Outputs1
FeaturesCycle-by-cycle current limiting;Hiccup current limiting;EMI optimization (spread spectrum);Light load efficient mode;Overcurrent Protection
TopologyBuck
Output TypeFixed
Operating Voltage3.8V~32V
Switch tube (built-in/external)Built-in
Output Current2A
Output Voltage3.3V
Quiescent Current22uA
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Introduction

AI Translation

The AP63200/AP63201/AP63203/AP63205 is a 2A, synchronous buck converter with a wide input voltage range of 3.8V to 32V and fully integrates a 125mΩ high - side power MOSFET and a 68mΩ low - side power MOSFET to provide high - efficiency step - down DC/DC conversion. The AP63200/AP63201/AP63203/AP63205 device is easily used by minimizing the external component count due to its adoption of peak current mode control along with its integrated compensation network. The AP63200/AP63201/AP63203/AP63205 has optimized designs for Electromagnetic Interference (EMI) reduction. The converter features Frequency Spread Spectrum (FSS) with a switching frequency jitter of ± 6% which reduces EMI by not allowing emitted energy to stay in any one frequency for a significant period of time. It also has a proprietary gate driver scheme to resist switching node ringing without sacrificing MOSFET turn - on and turn - off times, which further erases high - frequency radiated EMI noise caused by MOSFET switching. The device is available in a low - profile, TSOT26 package.

Features

AI Translation
  • VIN 3.8V to 32V
  • 2A Continuous Output Current
  • 0.8V + 1% Reference Voltage
  • 22A Ultralow Quiescent Current
  • Switching Frequency
    • 500kHz: AP63200 and AP63201
    • 1.1MHz: AP63203 and AP63205
  • Pulse Width Modulation (PWM) Regardless of Output Load
    • AP63201 Supports Pulse Frequency Modulation (PFM)
    • AP63200, AP63203, and AP63205
  • Up to 80% Efficiency at 1mA Light Load
  • Up to 88% Efficiency at 5mA Light Load
  • Fixed Output Voltage
    • 3.3V: AP63203
    • 5.0V: AP63205
  • Proprietary Gate Driver Design for Best EMI Reduction
  • Frequency Spread Spectrum (FSS) to Reduce EMI
  • Precision Enable Threshold to Adjust UVLO
  • Protection Circuitry
    • Overvoltage Protection
    • Cycle - by - Cycle Peak Current Limit
    • Thermal Shutdown
  • Totally Lead - Free & Fully RoHS Compliant
  • Halogen and Antimony Free. "Green" Device

Applications

AI Translation
  • 12V and 24V distributed power bus supplies
  • Flat screen TV sets and monitors
  • Power tools and laser printers
  • White goods and small home appliances
  • FPGA, DSP, and ASIC supplies
  • Home audios
  • Network systems
  • Set top boxes
  • Gaming consoles
  • Consumer electronics

Product FAQ

  • 1. How Does the AP63203WU-7 Achieve Enhanced EMI Suppression Without Sacrificing Performance?
    The IC incorporates Frequency Spread Spectrum (FSS) with a 卤6% switching frequency jitter to distribute emitted energy. It also utilizes a proprietary gate driver scheme that dampens switching node ringing without delaying MOSFET turn-on and turn-off times.
  • 2. What Are the Key Electrical Specifications and Built-In Features of This IC?
    The AP63203WU-7 delivers a 3.3V fixed output up to 2A with an ultra-low 22碌A quiescent current. It features an integrated 125m惟 high-side and 68m惟 low-side MOSFET, along with cycle-by-cycle peak current limiting, hiccup mode protection, and thermal shutdown.
  • 3. In Which Applications Is This Synchronous Buck Converter Best Suited?
    This device is ideal for consumer electronics, home appliances, power tools, network systems, set-top boxes, gaming consoles, and providing stable power rails for FPGAs, DSPs, and ASICs.
  • 4. What Are the Key Differences Between the AP63203 and Other Models From the Same Series?
    While sharing the same 2A current rating and package, the AP63203 features a fixed 3.3V output and a 1.1MHz switching frequency. In contrast, the AP63200/AP63201 operate at 500kHz, and the AP63205 provides a fixed 5.0V output.
  • 5. Can the AP63203WU-7 Be Used in Both 12V and 24V Distributed Power Systems?
    Yes, the AP63203WU-7 supports a wide input voltage range from 3.8V to 32V, making it fully compatible with both 12V and 24V distributed power bus supplies.