TI TPSM365R6FRDNR

The TPSM365R6 or TPSM365R3 is a 600-mA or 300-mA, 65-V input synchronous step-down DC/DC power module that combines power MOSFETs, integrated inductor and boot capacitor in a compact and easy-to-use 3.5-mm × 4.5-mm × 2-mm, 11-pin QFN package. The small HotRod QFN package technology enhances the thermal performance and low EMI. The device features the ultra-low operating IQ of 4 μA at no load (24 V to 3.3-V output). The TPSM365Rx is available in two fixed output voltage option supporting 3.3 V and 5 V, and an adjustable output voltage option supporting 1-V to 13-V range. The module only requires four external components for a 3.3-V and 5-V fixed output solution. The TPSM365Rx is optimized for excellent EMI performance and space constraint applications. The TPSM365Rx uses a peak current mode control scheme with internal compensation to maintain stable operation with minimal output capacitance. The precision EN feature allows precise control of the device during start-up and shutdown. An open-drain PGOOD output provides a true indication of the output voltage status. The TPSM365Rx includes prebias start up, overcurrent, and temperature protections, making the TPSM365Rx an excellent device for powering a wide range of industrial applications. In the fixed option variants, the MODE/ SYNC pin enables seamless transition from FPWM to PFM with a no-load standby quiescent current of less than 4 μA, ensuring high efficiency and superior transient response for the entire load-current range.

• Functional Safety-Capable Documentation available to aid functional safety system design
• Versatile synchronous buck DC/DC module: Integrated MOSFETs, inductor, and controller
• Wide input voltage range: 3 V to 65 V
• Input transient up to 70 V
• Junction temperature range -40°C to +125°C
• 4.5-mm × 3.5-mm × 2-mm overmolded package
• Frequency adjustable from 200 kHz to 2.2 MHz using the RT pin or an external SYNC signal
• Ultra-high efficiency across the full load range:
  • Greater than 85% efficiency at 12 VIN, 3.3-VOUT
  • Greater than 85% efficiency at 24 VIN, 5-VOUT
• Ultra-low operating quiescent current at no load: 4 μA at VIN = 24 V to 3.3-VOUT
• Optimized for ultra-low EMI requirements:
  • Pseudo-random spread spectrum reduces peak emissions
  • Pin selectable FPWM mode for constant frequency at light loads with MODE/SYNC pin
  • FSW synchronization with MODE/SYNC pin
  • CISPR11 class B capable
• Output voltage and current options:
  • Fixed output variants of 3.3-V or 5-V VOUT
  • Adjustable output voltage from 1 V to 13 V
  • Pin compatible with TPSM33625
  • 600-mA output current (TPSM365R6)
  • 300-mA output current (TPSM365R3)
• Inherent protection features for robust design
  • Precision enable input and open-drain PGOOD indicator for sequencing, control, and VIN UVLO
  • Overcurrent and thermal shutdown protections
• Create a custom design using the TPSM365Rx with the WEBENCH Power Designer

• Factory automation and control
• Building automation
• Test equipment
• Appliances