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IC manufacturers Diodes Incorporated

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reference designAP61100 | Demoboard AP61100Z6-EVM

Diodes Incorporated AP61100 | Demoboard AP61100Z6-EVM

2.3V TO 5.5V INPUT, 1A SYNCHRONOUS BUCK CONVERTER

Overview

TopologyBuck Converter
Input voltage2.3-5.5 V
Output 15.5 V / 1 A

Description

The AP61100 is a 1A, synchronous buck converter with an input voltage range of 2.3V to 5.5V and fully integrates a 120mΩ high-side power MOSFET and a 80mΩ low-side power MOSFET to provide high-efficiency step-down DC/DC conversion. The AP61100 device is easily used by minimizing the external component count due to its adoption of constant on-time (COT) control to achieve fast transient responses, ease loop stabilization, and low output voltage ripple. Moreover, AP61100 also features force PWM mode control through EN pin.

Features

  • Input Range: 2.3V to 5.5V
  • Wide Output Voltage Range: 0.6V to 5.5V
  • 1A Continuous Output Current
  • 0.6V ± 2% Reference Voltage
  • 14μA Ultralow Quiescent Current (Pulse Frequency Modulation)
  • 2.2MHz Switching Frequency
  • Programmable Modulation Mode Through EN
  • PFM (Vin –VEN < 200mV)
  • PWM Regardless of Output Load ( Vin –VEN > 200mV )
  • Protection Circuitry
  • Undervoltage Lockout (UVLO)
  • VIN Overvoltage Protection (OVP)
  • Peak Current Limit
  • Valley Current Limit
  • Thermal Shutdown

Typical applications

  • General Purpose Point of Load
  • 5V Input Distributed Power Bus Supplies, FPGA, DSP, and ASIC Supplies
  • White Goods and Small Home Appliances, Network Video Cameras, Wireless Routers, Consumer Electronics

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
fres(MHz)
VOP(V)
Mount
SamplesAvailability & Sample
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74438356010
SPECWE-MAPI SMT Power Inductor, 1 µH, 10.1 A

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

Simu­lation
Availability
–
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
Inductance1 µH
Performance Rated Current10.1 A
Saturation Current @ 30%11.5 A
DC Resistance12 mΩ
Self Resonant Frequency55 MHz
Operating Voltage80 V
MountSMT 
–Check availability
74438357010
SPECWE-MAPI SMT Power Inductor, 1 µH, 10.25 A

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

Simu­lation
Availability
–
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
Inductance1 µH
Performance Rated Current10.25 A
Saturation Current @ 30%12.5 A
DC Resistance11.6 mΩ
Self Resonant Frequency59 MHz
Operating Voltage80 V
MountSMT 
–Check availability