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Infineon IR3899AMTRPBF

Manufacturer
Infineon
MPN
IR3899AMTRPBF
LCSC Part #
C3093680
Packaging
PQFN-17(4x5)
Customer #
Key Attributes
9A single-voltage synchronous Buck regulator
Datasheetpdf iconInfineon IR3899AMTRPBF
RoHS Compliance1 documents available
In-Stock: 8
8 In stock, ships now
Not recommended for new designs
Once stock is depleted, this item will be marked as "Out of Stock."
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Minimum: 1Multiple: 1Sales Unit: Piece
QtyUnit PriceTotal Amount
1+$ 5.5775$ 5.58
10+$ 4.8274$ 48.27
30+$ 4.3718$ 131.15
100+$ 3.989$ 398.90
Standard Packaging4000/Full Reel

Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerInfineon
PackagingPQFN-17(4x5)
Operating Temperature-40℃~+125℃@(TJ)
FunctionStep-down type
Number of Outputs1
Frequency - Switching600kHz~2MHz
FeaturesAdjustable current limiting;Cycle-by-cycle current limiting;Hiccup current limiting;Protection latch;Light load efficient mode;Built-in LDO regulator;Overcurrent Protection;Operating status indication
Output TypeAdjustable
TopologyBuck
Operating Voltage4.5V~17V
Switch tube (built-in/external)Built-in
Output Current9A
Output Voltage600mV~6V
Quiescent Current2.3mA
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Introduction

AI Translation

The IR3899A is an easy-to-use, fully integrated DC-DC buck regulator. The on-board PWM controller and integrated bootstrap diode MOSFET make the IR3899A a small-footprint solution capable of delivering efficient power conversion. In addition, it employs a fast constant on-time (COT) control scheme that simplifies design effort and provides fast transient response. The IR3899A features an internal LDO that enables single-supply operation. It is a versatile regulator offering a programmable switching frequency from 600 kHz to 2 MHz, two selectable current limit settings, forced continuous conduction mode (FCCM), and diode emulation mode (DEM) operation. It also incorporates essential protection features such as pre-bias startup, thermally compensated current limiting, overvoltage and undervoltage protection, and thermal shutdown to ensure the required system-level safety under fault conditions.

Features

AI Translation
  • Single 4.3 V to 17 V application
  • Precision reference voltage (0.6 V ±0.5%)
  • Enhanced fast COT engine, stable with ceramic output capacitors, no external compensation required
  • Selectable forced continuous conduction mode or diode emulation for improved light-load efficiency
  • Programmable switching frequency from 600 kHz to 2 MHz
  • Enable input with voltage monitoring and power-good output
  • Monotonic startup with 2 ms soft-start and enhanced pre-bias startup
  • Thermally compensated internal overcurrent protection with two selectable settings
  • Thermal shutdown
  • Operating junction temperature: -40°C < Tj < 125°C
  • Small form factor: 4 mm x 5 mm PQFN
  • Halogen-free and RoHS compliant

Applications

AI Translation
  • Server applications
  • Storage applications
  • Telecom and datacom applications
  • Distributed point-of-load power architecture