TPS55340RTER Part Information

Details for TPS55340RTER by Texas Instruments

Electronic & Electrical Components>Semiconductors - ICs>Power Management

Part Description

The TPS55340 is a monolithic, nonsynchronous, switching regulator with integrated 5-A, 40-V power switch. The device can be configured in several standard switching-regulator topologies, including boost, SEPIC, and isolated flyback. The device has a wide input voltage range to support applications with input voltage from multicell batteries or regulated 3.3-V, 5-V, 12-V, and 24-V power rails. The TPS55340 regulates the output voltage with current mode PWM (pulse width modulation) control, and has an internal oscillator. The switching frequency of PWM is set by either an external resistor or by synchronizing to an external clock signal. The user can program the switching frequency from 100 kHz to 1.2 MHz. The device features a programmable soft-start function to limit inrush current during start-up and has other built-in protection features including cycle-bycycle overcurrent limit and thermal shutdown. The TPS55340 is available in a small 3-mm × 3-mm 16-pin QFN as well as 14-pin HTSSOP packages with PowerPAD for enhanced thermal performance. The 5-A, 40-V TPS55340 boost converter in the HTSSOP-14 package is pin-to-pin compatible with the 3-A, 40-V TPS61175 and it extends the maximum input voltage from 18 V to 32 V.

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Part Features

  • 0.5-mA Operating Quiescent Current
  • 2.7-u00b5A Shutdown Supply Current
  • 2.9-V to 32-V Input Voltage Range
  • Adjustable Soft-Start Time
  • Create a Custom Design Using the TPS55340
  • Cycle-by-Cycle Current Limit, Thermal Shutdown, and UVLO Protection
  • Fixed Frequency Current Mode PWM Control
  • Frequency Adjustable From 100 kHz to 1.2 MHz
  • Internal 5-A, 40-V Low-Side MOSFET Switch
  • Pulse Skipping for Higher Efficiency at Light Loads
  • QFN-16 (3-mm u00d7 3-mm) and HTSSOP-14 Packages With PowerPADu2122
  • Synchronization Capability to External Clock
  • Wide u201340u00b0C to 150u00b0C Operating TJ Range
  • u00b10.7% Reference Voltage

Part Specifications

Topology Boost Flyback SEPIC
Input Voltage Min 2.9V
Input Voltage Max 32V
No. of Outputs 1Outputs
DC / DC Converter IC Case WQFN
No. of Pins 16Pins
Output Current -
Output Voltage Min 2.9V
Output Voltage Max 38V
Switching Frequency 1.2MHz
Operating Temperature Max 150°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 2 - 1 year
SVHC No SVHC (27-Jun-2018)
Operating Temperature Min -40°C
RoHS Compliant

Alternative Part Descriptions

  • DC/DC CONV, BOOST/SEPIC/FLYBACK, WQFN-16; Topology:Boost, Flyback, SEPIC; Input Voltage Min:2.9V; Input Voltage Max:32V; No. of Outputs:1Outputs; DC / DC Converter IC Case:WQFN; No. of Pins:16Pins; Output Current:-; Product Range:- RoHS Compliant: Yes | Newark Electronics
  • 5-A, 40-V, wide VIN boost, flyback, & SEPIC converter | Texas Instruments

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