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TPS54061-Q1

AKTIV

Synchroner DC-/DC-Abwärtswandler, Auto-Produktkatalog, 4,7–60-V, 200 mA

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Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung.
LMR36503-Q1 AKTIV Abwärtswandler (Buck) für die Automobilindustrie, 3 bis 65 V, 0,3 A, für geringen Platzbedarf und Smaller footprint, lower IQ and lower EMI.

TPS54061-Q1

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Rating Automotive Topology Buck Iout (max) (A) 0.2 Vin (max) (V) 60 Vin (min) (V) 4.7 Vout (max) (V) 58 Vout (min) (V) 0.8 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Synchronous Rectification, UVLO adjustable Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.00009 Duty cycle (max) (%) 98
Rating Automotive Topology Buck Iout (max) (A) 0.2 Vin (max) (V) 60 Vin (min) (V) 4.7 Vout (max) (V) 58 Vout (min) (V) 0.8 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Synchronous Rectification, UVLO adjustable Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.00009 Duty cycle (max) (%) 98
VSON (DRB) 8 9 mm² (3 mm × 3 mm)
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C
      Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C3B
  • Integrated High-Side and Low-Side MOSFETs
  • Diode Emulation for Light-Load Efficiency
  • Peak-Current Mode Control
  • 90-µA Operating Quiescent Current
  • 1.4-µA Shutdown Supply Current
  • 50-kHz to 1.1-MHz Adjustable Switching
    Frequency
  • Synchronizes to External Clock
  • 0.8 V ±1% Voltage Reference
  • Stable With Ceramic Output Capacitors or Low-
    Cost Aluminum Electrolytic
  • Cycle-by-Cycle Current Limit, Thermal, OVP, and
    Frequency Foldback Protection
  • 3-mm × 3-mm, 8-Pin SON Package With Thermal
    Pad
  • –40°C to 150°C Operating Junction Temperature
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C
      Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C3B
  • Integrated High-Side and Low-Side MOSFETs
  • Diode Emulation for Light-Load Efficiency
  • Peak-Current Mode Control
  • 90-µA Operating Quiescent Current
  • 1.4-µA Shutdown Supply Current
  • 50-kHz to 1.1-MHz Adjustable Switching
    Frequency
  • Synchronizes to External Clock
  • 0.8 V ±1% Voltage Reference
  • Stable With Ceramic Output Capacitors or Low-
    Cost Aluminum Electrolytic
  • Cycle-by-Cycle Current Limit, Thermal, OVP, and
    Frequency Foldback Protection
  • 3-mm × 3-mm, 8-Pin SON Package With Thermal
    Pad
  • –40°C to 150°C Operating Junction Temperature

The TPS54061-Q1 device is a 60-V, 200-mA, synchronous step-down DC-DC converter with integrated high-side and low-side MOSFETs. Current-mode control provides simple external compensation and flexible component selection. The non-switching supply current is 90 µA. Using the enable pin reduces the shutdown supply current to 1.4 µA.

To increase light-load efficiency, the low-side MOSFET emulates a diode when the inductor current reaches zero.

The internal undervoltage lockout setting is 4.5 V, but using two resistors on the enable pin can increase the setting. The internal slow-start time controls the output-voltage start-up ramp.

The adjustable switching-frequency range allows optimization of efficiency and external component size. Frequency foldback and thermal shutdown protect the part during an overload condition.

The TPS54061-Q1 enables small designs by integrating the MOSFETs and boot recharge diode, and by minimizing the IC footprint with a small 3-mm × 3-mm thermally-enhanced SON package.

The TPS54061-Q1 is supported in the WEBENCH™ Designer at www.ti.com.

The TPS54061-Q1 device is a 60-V, 200-mA, synchronous step-down DC-DC converter with integrated high-side and low-side MOSFETs. Current-mode control provides simple external compensation and flexible component selection. The non-switching supply current is 90 µA. Using the enable pin reduces the shutdown supply current to 1.4 µA.

To increase light-load efficiency, the low-side MOSFET emulates a diode when the inductor current reaches zero.

The internal undervoltage lockout setting is 4.5 V, but using two resistors on the enable pin can increase the setting. The internal slow-start time controls the output-voltage start-up ramp.

The adjustable switching-frequency range allows optimization of efficiency and external component size. Frequency foldback and thermal shutdown protect the part during an overload condition.

The TPS54061-Q1 enables small designs by integrating the MOSFETs and boot recharge diode, and by minimizing the IC footprint with a small 3-mm × 3-mm thermally-enhanced SON package.

The TPS54061-Q1 is supported in the WEBENCH™ Designer at www.ti.com.
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* Datenblatt TPS54061-Q1 Wide-Input, 60-V, 200-mA Synchronous Step-Down DC–DC Converter With Low IQ datasheet (Rev. A) PDF | HTML 07.01.2016

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