TPS54202H 4.5V to 28V Input, 2A Output, Synchronous Step-Down Voltage Converter | TI.com

TPS54202H
This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.
4.5V to 28V Input, 2A Output, Synchronous Step-Down Voltage Converter

 

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Description

The TPS54202H is a 4.5-V to 28-V input voltage range, 2-A synchronous buck converter. The device includes two integrated switching FETs, internal loop compensation and 5-ms internal soft start to reduce component count.

By integrating the MOSFETs and employing the SOT-23 package, the TPS54202H achieves the high power density and offers a small footprint on the PCB.

Advanced Eco-mode implementation maximizes the light load efficiency and reduces the power loss.

Cycle-by-cycle current limit in both high-side MOSFET protects the converter in an overload condition and is enhanced by a low-side MOSFET freewheeling current limit which prevents current runaway. Hiccup mode protection is triggered if the overcurrent condition has persisted for longer than the present time.

For all available packages, see the orderable addendum at the end of the data sheet.

Features

  • 4.5-V to 28-V Wide Input voltage Range
  • Integrated 148-mΩ and 78-mΩ MOSFETs for 2-A,
    Continuous Output Current
  • Low 2-µA Shutdown, 45-µA Quiescent Current
  • Internal 5-mS Soft-Start
  • Fixed 500-kHz Switching Frequency
  • Advanced Eco-mode™ Pulse Skip
  • Peak Current Mode Control
  • Internal Loop compensation
  • Overcurrent Protection for Both MOSFETs with
    Hiccup Mode Protection
  • Over Voltage Protection
  • Thermal Shutdown
  • SOT-23 (6) Package

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WEBENCH® Designer TPS54202H

  Min   Max Range
Vin  V 4.5 to 28.0V
Vout  V 0.6 to 25V
Iout  A ≤ 2A
Ambient Temp  °C -40 to 85°C

Parametrics

Compare all products in Buck converters (integrated switch) Email Download to Excel
Part number Order Vin (Min) (V) Vin (Max) (V) Vout (Min) (V) Vout (Max) (V) Iout (Max) (A) Regulated outputs (#) Switching frequency (Min) (kHz) Switching frequency (Max) (kHz) Iq (Typ) (mA) Features Control mode Duty cycle (Max) (%) Operating temperature range (C) Rating Package Group Type Package size: mm2:W x L (PKG)
TPS54202H Order now 4.5     28     0.6     26     2     1     500     500     0.04     Enable
Light Load Efficiency
Pre-Bias Start-Up
Synchronous Rectification
UVLO Adjustable
Soft Start Fixed    
Current Mode     100     -40 to 125     Catalog     SOT-23-THIN | 6     Converter     6SOT-23-THIN: 5 mm2: 1.6 x 2.9 (SOT-23-THIN | 6)    
TPS54202 Order now 4.5     28     0.6     26     2     1     500     500     0.04     Enable
Light Load Efficiency
Pre-Bias Start-Up
Spread Spectrum
Synchronous Rectification
UVLO Adjustable
Soft Start Fixed    
Current Mode     100     -40 to 125     Catalog     SOT-23-THIN | 6     Converter     6SOT-23-THIN: 5 mm2: 1.6 x 2.9 (SOT-23-THIN | 6)    
TPS54302 Order now 4.5     28     0.6     26     3     1     400     400     0.04     Enable
Light Load Efficiency
Pre-Bias Start-Up
Spread Spectrum
Synchronous Rectification
UVLO Adjustable
Soft Start Fixed    
Current Mode     100     -40 to 125     Catalog     SOT-23-THIN | 6     Converter     6SOT-23-THIN: 5 mm2: 1.6 x 2.9 (SOT-23-THIN | 6)    
TPS54308 Order now 4.5     28     1     26     3     1     350     350     0.3     Enable
Forced PWM
Pre-Bias Start-Up
Synchronous Rectification
UVLO Adjustable
Soft Start Fixed    
Current Mode     100     -40 to 125     Catalog     SOT-23-THIN | 6     Converter     6SOT-23-THIN: 5 mm2: 1.6 x 2.9 (SOT-23-THIN | 6)    
TPS56339 Order now 4.5     24     0.8     16     3     1     500     500     0.093     Enable
Light Load Efficiency
Synchronous Rectification
Soft Start Fixed    
Current Mode     95     -40 to 125     Catalog     SOT-23-THIN | 6     Converter