TPS62823 3-A Step-Down Converter With 1% Accuracy | TI.com

TPS62823 (ACTIVE)

3-A Step-Down Converter With 1% Accuracy

3-A Step-Down Converter With 1% Accuracy - TPS62823
 

Description

The TPS6282x is an all-purpose and easy to use synchronous step-down DC-DC converter with a very low quiescent current of only 4µA. It supplies up to 3A output current (TPS62823) from a 2.4V to 5.5V input voltage. Based on the DCS-Control™ topology it provides a fast transient response.

The internal reference allows to regulate the output voltage down to 0.6V with a high feedback voltage accuracy of 1% over the junction temperature range of -40°C to 125°C. The 1,2,3A scalable pin-to-pin and BOM-to-BOM compatible device family can be used with small 470nH inductors.

The TPS6282x include an automatically entered power save mode to maintain high efficiency down to very light loads.

The device features a Power Good signal and an internal soft start circuit. It is able to operate in 100% mode. For fault protection, it incorporates a HICCUP current limit as well as a thermal shutdown.

The TPS6282x are packaged in a 2 x 1.5mm QFN-8 package.

Features

  • DCS-Control™ topology
  • 26/25mΩ Internal Power Switches (TPS62823)
  • Up to 3A Output Current (TPS62823)
  • Very Low Quiescent Current of 4 µA
  • Switching Frequency of typically 2.2 MHz
  • 1% Feedback Voltage Accuracy (full temp. range)
  • Enable (EN) and Power Good (PG)
  • Adjustable Output Voltage from 0.6 V to 4V
  • 100% Duty-Cycle Mode
  • Internal Soft-Start Circuitry
  • Seamless Power Save Mode Transition
  • Undervoltage Lockout
  • Active Output Discharge
  • Cycle-by-Cycle Current Limit
  • HICCUP Short-Circuit Protection
  • Over Temperature Protection
  • Create a Custom Design using the TPS62822 with the WEBENCH® Power Designer

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Parametrics Compare all products in Buck Converter (Integrated Switch)

 
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
TPS62823 TLV62569 TPS62080 TPS62085 TPS62088 TPS62090 TPS62097 TPS62136 TPS62480 TPS62801 TPS62802 TPS62806 TPS62821 TPS62825 TPS62826
2.4     2.5     2.3     2.5     2.4     2.5     2.5     3     2.4     1.8     1.8     1.8     2.4     2.4     2.4    
5.5     5.5     6     6     5.5     6     6     17     5.5     5.5     5.5     5.5     5.5     5.5     5.5    
0.6     0.6     0.5     0.8     0.6     0.8     0.8     0.8     0.6     0.8     1.8     0.4     0.6     0.6     0.6    
4     5.5     4     6     4     6     6     12     5.5     1.55     3.3     0.775     4     4     4    
3     2     1.2     3     3     3     2     4     6     1     1     0.6     1     2     3    
1     1     1     1     1     1     1     1     1     1     1     1     1     1     1    
2200     1500     2000     2400     4000     1400     1500     1000     2000     4000     4000     1500     2200     2200     2200    
2200     1500     2000     2400     4000     2800     2500     1000     2500     4000     4000     1500     2200     2200     2200    
0.004     0.035     0.0065     0.017     0.004     0.02     0.04     0.018     0.023     0.0023     0.0023     0.0023     0.004