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TI LM43601PWPR product image
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TI LM43601PWPRRoHS

Manufacturer
TI
MPN
LM43601PWPR
LCSC Part #
C486030
Packaging
HTSSOP-16-EP
Customer #
Key Attributes
3.5-V to 36-V, 1-A Synchronous Step-Down Voltage Converter
Datasheetpdf iconTI LM43601PWPR
In-Stock: 1,168
1,168 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 2.9544$ 2.95
10+$ 2.5653$ 25.65
30+$ 2.3221$ 69.66
100+$ 2.0723$ 207.23
500+$ 1.9588$ 979.40
1,000+$ 1.9102$ 1910.20
Standard Packaging2000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerTI
PackagingHTSSOP-16-EP
Operating Temperature-40℃~+125℃@(TJ)
Frequency - Switching2.2MHz
FunctionStep-down type
Number of Outputs1
FeaturesLight load efficient mode;Frequency synchronization;Operating status indication;Adjustable soft-start;Output voltage tracking;Cycle-by-cycle current limiting;Hiccup current limiting;Built-in LDO regulator
Output TypeAdjustable
TopologyBuck
Operating Voltage3.5V~36V
Switch tube (built-in/external)Built-in
Output Voltage1V~28V
Output Current1A
Quiescent Current33uA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2000
Sales UnitPiece

Introduction

AI Translation

The LM43601 regulator is an easy to use synchronous step- down DC- DC converter capable of driving up to 1 A of load current from an input voltage ranging from 3.5V to 36V (42V transient). The LM43601 provides exceptional efficiency, output accuracy, and dropout voltage in a very small solution size. An extended family is available in 0.5- A, 2- A and 3- A load current options in pin- to- pin compatible packages. Peak- current- mode control is employed to achieve simple control- loop compensation and cycle- by- cycle current limiting. Optional features such as programmable switching frequency, synchronization, power- good flag, precision enable, internal soft start, extendable soft start, and tracking provide a flexible and easy- to- use platform for a wide range of applications. Discontinuous conduction and automatic frequency modulation at light loads improve light load efficiency. The family requires few external components and pin arrangement allows simple, optimum PCB layout. Protection features include thermal shutdown, VCC undervoltage lockout, cycle- by- cycle current limit, and output short- circuit protection. The LM43601 device is available in the 16- leaded HTSSOP (PWP) package (6.6 mm x 5.1 mm x 1.2 mm) with 0.65- mm lead pitch. This device is pin- to- pin compatible with LM46000, LM46001, LM46002, LM43600, LM43602, and LM43603.

Features

AI Translation
  • 33-µA Quiescent Current in Regulation
  • High Efficiency at Light Load (DCM and PFM)
  • Meets EN55022/CISPR 22 EMI Standards
  • Integrated Synchronous Rectification
  • Adjustable Frequency Range: 200 kHz to 2.2 MHz (500 kHz default)
  • Frequency Synchronization to External Clock
  • Internal Compensation
  • Stable With Almost Any Combination of Ceramic, Polymer, Tantalum, and Aluminum Capacitors
  • Power-Good Flag
  • Soft Start into Pre-Biased Load
  • Internal Soft Start: 4.1 ms
  • Extendable Soft-Start Time by External Capacitor
  • Output Voltage Tracking Capability
  • Precision Enable to Program System UVLO
  • Output Short-Circuit Protection With Hiccup Mode
  • Overtemperature Thermal Shutdown Protection
  • Create a Custom Design Using the LM43601 With the WERBENCH® Power Designer

Applications

AI Translation
  • Industrial Power Supplies
  • Telecommunications Systems
  • Sub-AM Band Automotive
  • General Purpose Wide VIN Regulation
  • High Efficiency Point-Of-Load Regulation