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TPS54362-HT
  • TPS54362-HT
  • TPS54362-HT

TPS54362-HT

ACTIVE

1-A 48-V Step-Down DC/DC Converter with Low Iq

Texas Instruments TPS54362-HT Product Info

1 April 2026 3

Parameters

Rating

High Temp

Topology

Buck

Iout (max) (A)

1

Vin (max) (V)

60

Vin (min) (V)

3.6

Vout (max) (V)

18

Vout (min) (V)

0.9

Features

Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good

Control mode

Voltage mode

Operating temperature range (°C)

-55 to 175

Iq (typ) (A)

0.000065

Duty cycle (max) (%)

75

Package

HTSSOP (PWP)-20-41.6 mm² 6.5 x 6.4

Features

  • Withstands Transients up to 60 V With an Operating Range of 3.6 V to 48 V
  • Asynchronous Switch Mode Regulator With External Components (L and C),
    Load Current up to 1 A (Maximum)
  • 0.8 V ±1.5% Voltage Reference
  • 200-kHz to 2.2-MHz Switching Frequency
  • High Voltage Tolerant Enable Input for ON/OFF State
  • Soft Start on Enable Cycle
  • Slew Rate Control on Internal Power Switch
  • External Clock Input for Synchronization
  • Pulse Skip Mode (PFM) During Light Output Loads With Quiescent
    Current = 65 µA Typical (LPM Operation)
  • External Compensation for Wide Bandwidth Error Amplifier
  • Internal Undervoltage Lock Out UVLO
  • Programmable Reset Power on Delay
  • Reset Function Filter Time for Fast Negative Transients
  • Programmable Overvoltage Output Monitoring
  • Programmable Undervoltage Output Monitoring, Issuance of Reset if
    Output Falls Below Threshold
  • Switch Current Limit Protection
  • Short Circuit and Overcurrent Protection of FET
  • Package: 20-pin HTSSOP PowerPAD
  • Withstands Transients up to 60 V With an Operating Range of 3.6 V to 48 V
  • Asynchronous Switch Mode Regulator With External Components (L and C),
    Load Current up to 1 A (Maximum)
  • 0.8 V ±1.5% Voltage Reference
  • 200-kHz to 2.2-MHz Switching Frequency
  • High Voltage Tolerant Enable Input for ON/OFF State
  • Soft Start on Enable Cycle
  • Slew Rate Control on Internal Power Switch
  • External Clock Input for Synchronization
  • Pulse Skip Mode (PFM) During Light Output Loads With Quiescent
    Current = 65 µA Typical (LPM Operation)
  • External Compensation for Wide Bandwidth Error Amplifier
  • Internal Undervoltage Lock Out UVLO
  • Programmable Reset Power on Delay
  • Reset Function Filter Time for Fast Negative Transients
  • Programmable Overvoltage Output Monitoring
  • Programmable Undervoltage Output Monitoring, Issuance of Reset if
    Output Falls Below Threshold
  • Switch Current Limit Protection
  • Short Circuit and Overcurrent Protection of FET
  • Package: 20-pin HTSSOP PowerPAD

Description

The TPS54362 is a step down switch mode power supply with voltage supervisor. Integrated input voltage line feed forward topology improves line transient regulation of the voltage mode buck regulator. The regulator has a cycle-by cycle current limit. A pulse skip mode operation under no load reduces the supply current to 65 µA. Using the enable pin, the supply shutdown current is reduced to 1 µA.

An open drain reset signal indicates when the nominal output drops below the threshold set by an external resistor divider network. The output voltage start up ramp is controlled by a soft start capacitor. There is an internal undervoltage shut down which is activated when the input supply ramps down to 2.6 V.

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