TPS562208 4.5 V to 17 V input, 2 A output, synchronous step-down converter in FCCM mode | TI.com

TPS562208 (ACTIVE) 4.5 V to 17 V input, 2 A output, synchronous step-down converter in FCCM mode

 

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Description

The TPS562201 and TPS562208 are simple, easy-to-use, 2-A synchronous step-down converters in SOT-23 package.

The devices are optimized to operate with minimum external component counts and also optimized to achieve low standby current.

These switch mode power supply (SMPS) devices employ D-CAP2 mode control providing a fast transient response and supporting both low equivalent series resistance (ESR) output capacitors such as specialty polymer and ultra-low ESR ceramic capacitors with no external compensation components.

The TPS562201 operates in pulse skip mode, which maintains high efficiency during light load operation. The TPS562201 and TPS562208 are available in a 6-pin 1.6 × 2.9 (mm) SOT (DDC) package and specified from –40°C to 125°C of junction temperature.

Features

  • TPS562201 and TPS562208 2-A Converter Integrated 140-mΩ and 84-mΩ FETs
  • D-CAP2™ Mode Control With Fast Transient Response
  • Input Voltage Range: 4.5 V to 17 V
  • Output Voltage Range: 0.76 V to 7 V
  • Pulse-Skip Mode (TPS562201) or Continuous Current Mode (TPS562208)
  • 580-kHz Switching Frequency
  • Low Shutdown Current Less than 10 µA
  • 2% Feedback Voltage Accuracy (25°C)
  • Startup from Pre-Biased Output Voltage
  • Cycle-by-Cycle Overcurrent Limit
  • Hiccup-Mode Overcurrent Protection
  • Non-Latch UVP and TSD Protections
  • Fixed Soft-Start: 1.0 ms

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WEBENCH® Designer TPS562208

  Min   Max Range
Vin  V 4.5 to 17.0V
Vout  V 0.77 to 7V
Iout  A ≤ 2A
Ambient Temp  °C -40 to 125°C

Parametrics

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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)
TPS562208 Order now 4.5     17     0.76     7     2     1     580     580     0.4     Enable
Forced PWM
Synchronous Rectification
Soft Start Fixed    
D-CAP2     80     -40 to 125     Catalog     SOT-23-THIN | 6     Converter     6SOT-23-THIN: 5 mm2: 1.6 x 2.9 (SOT-23-THIN | 6)    
TPS562200 Order now 4.5     17     0.76     7     2     1     650     650     0.23     Enable
Light Load Efficiency
Synchronous Rectification
Soft Start Fixed    
D-CAP2     80     -40 to 125     Catalog     SOT-23-THIN | 6     Converter     6SOT-23-THIN: 5 mm2: 1.6 x 2.9 (SOT-23-THIN | 6)    
TPS562201 Order now 4.5     17     0.76     7     2     1     580     580     0.4     Enable
Light Load Efficiency
Synchronous Rectification
Soft Start Fixed    
D-CAP2     80     -40 to 125     Catalog     SOT-23-THIN | 6     Converter     6SOT-23-THIN: 5 mm2: 1.6 x 2.9 (SOT-23-THIN | 6)    
TPS562209 Order now 4.5     17     0.76     7     2     1     650     650     0.65     Enable
Synchronous Rectification
Soft Start Fixed    
D-CAP2     80     -40 to 125     Catalog     SOT-23-THIN | 6     Converter     6SOT-23-THIN: 5 mm2: 1.6 x 2.9 (SOT-23-THIN | 6)