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MaxLinear XRP6670

3A 300kHz-2.5MHz Synchronous Step Down Regulator

Overview

TopologyBuck Converter
Input voltage3.3 V
Output 11.1 V / 2.7 A
Output 21.2 V / 2.7 A
Output 31.8 V / 2.7 A
Output 42.5 V / 2.7 A
Output 51.5 V / 2.7 A
IC revision1.0.1

Description

The XRP6670 is a synchronous current mode PWM step-down (buck) regulator capable of delivering up to 3 Amps. A 2.6V to 5.5V inputvoltage range allows for single supply operation from industry standard 3.3V and 5V power rails. Based on a current mode PWM control scheme, the XRP6670 operating frequency is programmable between 300kHz and 2.5MHzvia an external resistor. This flexibility allows the XRP6670 to optimize component selection and reduce component count and solution footprint. It provides a low output voltage ripple, excellent line and load regulation and has a 100% duty cycle LDO mode. Output voltage is adjustable to as low as 0.8V with a better than 2% accuracy while a low quiescent current supports the most stringent battery operating conditions.Built-in over-temperature, overcurrent, short circuit and under-voltage lock-out protections insure safe operations under abnormal operating conditions.The XRP6670 is offered in a RoHS compliant, “green”/halogen free 3mmx3mm 10-pin DFN package.

Features

  • Guaranteed 3A Output Current
  • Input Voltage: 2.6V to 5.5V
  • Prog. PWM Current Mode Control
  • Programmable 300kHz to 2.5MHz
  • 100% Duty Cycle LDO Mode Operation
  • Achieves 95% Efficiency
  • Adjustable Output Voltage Range
  • 0.8V to 5V with ±2% Accuracy
  • Enable and Power Good Functions
  • 460μA Quiescent Current
  • Over-temperature, Over-current,Short-circuit and UVLO Protections
  • RoHS Compliant “Green”/Halogen Free3mm x 3mm 10-Pin DFN Package

Typical applications

  • Audio-Video Equipment
  • Industrial & Medical Equipment
  • Networking & Telecom Equipment
  • Portable/Battery Operated Equipment

Products

Order Code Data­sheet Downloads Product seriesL
(µH)
IR
(A)
ISAT
(A)
RDC typ.
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
Mount Samples
74437346015
STE ALT EAG CAD LTS PSP SPE IGS CADWE-LHMI SMT Power Inductor 1.5 7.2 19 13 15 45 SMT
Order Code Data­sheet
74437346015
Samples
Order Code Data­sheet Downloads Product seriesL
(µH)
IR
(A)
ISAT
(A)
RDC typ.
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
Mount Samples