Diodes Incorporated — Analog and discrete power solutions
V DFN1515 6 SWP type UX 3D

Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details. V-DFN1515-6/SWP (Type UX)

V DFN1515 6 SWP type UX 3D

Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details. V-DFN1515-6/SWP (Type UX)

V DFN1515 6 SWP type UX 3D

Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details. V-DFN1515-6/SWP (Type UX)

Back to Buck Converter

AP61402

2.3V to 5.5V Input, 4A Synchronous Buck Converter

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Description

The AP61402 is a selectable up to 4A, synchronous buck converter with an input voltage range of 2.3V to 5.5V and fully integrates a 75mΩ high-side power MOSFET and a 33mΩ low-side power MOSFET to provide high-efficiency step-down DC/DC conversion.

The AP61402 is easily used by minimizing the external component count due to its adoption of constant on-time (COT) control to achieve fast transient responses, easy loop stabilization, and low output voltage ripple.

The AP61402 has optimized designs for small form factor. The series offers various fixed output voltage and an adjustable output voltage version. It also has a proprietary gate driver scheme to resist switching node ringing without sacrificing MOSFET turn-on and turn-off times, which reduces high frequency radiated EMI noise caused by MOSFET switching.

The device is available in a V-DFN1515-6/SWP (Type UX) package.

Feature(s)

  • VIN 2.3V to 5.5V
  • Wide Output Voltage Range: 0.5V to 5.5V
  • 4A Continuous Output Current
  • 5V ±2% Reference Voltage
  • 20µA Ultra-Low Quiescent Current (Pulse-Frequency Modulation)
  • 2MHz Switching Frequency
  • Programmable Modulation Mode Through EN
    • Pulse-Frequency Modulation
    • Pulse-Width Modulation Regardless of Output Load
  • Proprietary Gate Driver Design for Best EMI Reduction
  • ±5% Window Power-Good Indicator and OCP Selector
  • Protection Circuitry
    • Undervoltage Lockout (UVLO)
    • VIN Overvoltage Protection (OVP)
    • Peak and Valley Current Limit
    • Thermal Shutdown
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. “Green” Device (Note 3)
  • An automotive-compliant part is available under a separate datasheet (AP61402Q)

Application(s)

  • General-purpose POL supplies
  • Network video cameras
  • Wireless routers
  • Hard disk drivers

Specifications & Technical Documents

Product Parameters

Compliance (Only Automotive Supports PPAP) Standard
Type Buck
HS RDS(ON) (mΩ) 75
LS RDS(ON) (mΩ) 33
MaximumInput Voltage (V) 5.5
MinimumInput Voltage (V) 2.3
Quiescent Current Typ (μA) 20
Shutdown Current Typ (µA) 0.03
Output Current (A) 4 A
Minimum Output Voltage (V) 0.5
Maximum Output Voltage (V) 5.5
Frequency Typ (kHz) 2000
Features Enable Light Load Efficiency EN pin to set up PFM or Force PWM Power-Good Output Discharge Soft-start, Undervoltage Lockout (UVLO), VIN Overvoltage Protection (OVP), Thermal Shutdown

Related Content

Packages

Technical Documents

Calculators

Recommended Soldering Techniques

TN1.pdf

Purchase & Availability

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