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RENESAS RAA211450GNP#HA0 product image
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RENESAS RAA211450GNP#HA0

Manufacturer
RENESAS
MPN
RAA211450GNP#HA0
LCSC Part #
C5360629
Packaging
QFN-20(3.5x4)
Customer #
Key Attributes
4.5V to 42V, 5A, DC/DC Synchronous Step-Down Regulator w/ Internal Compensation and Adjustable Frequency
DatasheetRENESAS RAA211450GNP#HA0
RoHS Compliance1 documents available
Every Order Guarantee
100% Authentic · 30-Day Return or Replacement

Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerRENESAS
PackagingQFN-20(3.5x4)
Operating Temperature-40℃~+125℃@(TJ)
Number of Outputs1
FunctionStep-down type
Frequency - Switching400kHz;200kHz~800kHz
FeaturesAdjustable soft-start;Cycle-by-cycle current limiting;Hiccup current limiting;Light load efficient mode;Built-in LDO regulator;Operating status indication;Overcurrent Protection
Output TypeAdjustable
TopologyBuck
Operating Voltage4.5V~42V
Switch tube (built-in/external)Built-in
Output Voltage800mV~37.8V
Output Current5A
Quiescent Current90uA
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Introduction

AI Translation

The RAA211450 is a DC/DC synchronous step-down (Buck) regulator that supports a 4.5V to 42V input voltage range and adjustable output voltage. It can deliver up to continuous 5A of continuous output current with premium load and line regulation performance. The RAA211450 uses peak-current mode control architecture. Its PWM switching frequency is programmable to provide the best trade-off between transient response and efficiency. It also supports PFM operation and DEM to maximize light load efficiency, in addition to an external bias LDO input to further reduce power dissipation across the load range. The regulator also has an internal loop compensation circuit to reduce the external component count and BoM cost. The RAA211450 provides useful functions such as internal or programmable soft-start and power good indicator. For safe operation, the RAA211450 also offers protection features such as cycle-by-cycle peak and valley current limit, input voltage UVLO, output voltage undervoltage (short-circuit) protection, and thermal shutdown.

Features

AI Translation
  • Wide input voltage range: 4.5V to 42V
  • Adjustable output voltage: 0.8V to 90% of VIN (limited by minimum off time)
  • Up to 5A of continuous output current
  • Default 400kHz switching frequency and programmable switching frequency range from 200kHz to 800kHz
  • ±1% Load regulation accuracy from -40℃ to 125℃
  • ±0.5% Load regulation accuracy at 25℃
  • 95μA typical quiescent current
  • Internal compensation
  • Internal 0.5ms soft-start in QFN
  • External programmable soft-start (HTSSOP)
  • PFM operation and DEM at light load
  • Integrated external bias LDO
  • Power-good indicator
  • Integrated MOSFET rps(ON) (typical): 70mΩ/25mΩ (QFN); 115mΩ/40mΩ (TSSOP)
  • Cycle-by-cycle peak and valley current limit
  • Input voltage UVLO and output voltage undervoltage (short-circuit) protection
  • Thermal Shutdown
  • Available in 20 Ld QFN 4mm × 3.5mm and 16 Ld HTSSOP packages

Applications

AI Translation
  • Industrial power systems
  • Distributed power supplies and general-purpose point-of-load
  • Telecommunication base station power supplies
  • High-voltage single-board systems