LM43600QPWPTQ1 Part Information

Details for LM43600QPWPTQ1 by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

Part Description

The LM43600-Q1 SIMPLE SWITCHER® regulator is an easy to use synchronous step-down DC-DC converter capable of driving up to 0.5 A of load current from an input voltage ranging from 3.5 V to 36 V (42 V transient). The LM43600-Q1 provides exceptional efficiency, output accuracy and drop-out voltage in a very small solution size. An extended family is available in 1 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 under-voltage lockout, cycle-by-cycle current limit, and output short circuit protection. The LM43600-Q1 device is available in the HTSSOP / PWP 16 leaded package (5.1 mm x 6.6 mm x 1.2 mm) with 0.65 mm lead pitch. Pin to pin compatible with LM46000, LM46001, LM46002, LM43601, LM43602, LM43603.

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Part Features

  • 33 u00b5A Quiescent Current in Regulation
  • AEC-Q100 Qualified (u201340u00b0C to +125u00b0C Operating Junction Temperature)
  • Adjustable Frequency Range: 200 kHz to 2.2 MHz (500 kHz default)
  • Extendable Soft-Start Time by External Capacitor
  • Frequency Synchronization to External Clock
  • High Efficiency at Light Load (DCM and PFM)
  • Integrated Synchronous Rectification
  • Internal Compensation
  • Internal Soft-Start: 4.1 ms
  • Output Short Circuit Protection with Hiccup Mode
  • Output Voltage Tracking Capability
  • Over Temperature Thermal Shutdown Protection
  • Power-Good Flag
  • Precision Enable to Program System UVLO
  • Soft-Start into Pre-Biased Load
  • Stable with Almost Any Combination of Ceramic, Polymer, Tantalum, and Aluminum Capacitors
  • Tested to EN55022/CISPR 22 EMI standards

Part Specifications

Topology Synchronous Buck (Step Down)
Input Voltage Min 3.5V
Input Voltage Max 36V
No. of Outputs 1Outputs
DC / DC Converter IC Case HTSSOP
No. of Pins 16Pins
Output Current 500mA
Output Voltage Min 1V
Output Voltage Max 28V
Switching Frequency 2.2MHz
Operating Temperature Max 125┬░C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 3 - 168 hours
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

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