TPS61322 (ACTIVE)

6-uA Quiescent Current, 1.8-A Switch Current Boost Converter

6-uA Quiescent Current, 1.8-A Switch Current Boost Converter - TPS61322
 

Description

The TPS61322xx is a synchronous boost converter with only 6.5-µA quiescent current. The TPS61322xx provides a power-supply solution for products powered by alkaline battery, NiMH rechargeable battery, or one-cell Li-ion battery. The boost converter is based on a hysteretic control topology using synchronous rectification to obtain maximum efficiency at minimal quiescent current. The TPS61322xx also allows the use of small external inductor and capacitors. Higher than 90% efficiency is achieved at 10mA load from 1.5-V input to 2.2-V output conversion.

The TPS61322xx can also support high output current applications with an external schottky diode. The TPS613222A provides higher than 500 mA output current capability at 3.0 V input voltage to 5.0 V output voltage conversion with an external schottky diode in parallel with the internal rectifier FET.

The output voltage is set internally to a fixed output voltage from 1.8 V to 5.5 V in increment of 0.1 V. Thus it only needs two external components to get the desired output voltage. The TPS61322xx also implements thermal shutdown protection function.

The TPS61322xx is available in a 2.9-mm × 1.3-mm 3-pin SOT package or a 2.9-mm × 1.6-mm 5-pin SOT package.

Features

  • Operating Input Voltage Range: 0.9 V to 5.5 V
  • Output Voltage Range: 1.8 V to 5.5 V
  • 6.5-µA Quiescent Current into VOUT Pin
  • ±3% Output Voltage Accuracy over Temperature
  • Minimum Switch Peak Current Limit:
    • 0.42 A for TPS613223A
    • 0.5 A for TPS61322
    • 0.75 A for TPS613221A and TPS613226A
    • 1.10 A for TPS613222A
  • Higher than 90% Efficiency at 10 mA Load from 1.5-V to 2.2-V Conversion
  • Thermal Shutdown Protection
  • 2.9-mm x 1.3-mm 3-pin SOT Package and 2.9-mm x 1.6-mm 5-pin SOT Package

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Parametrics Compare all products in Boost Converter (Integrated Switch)

 
Vin (Min) (V)
Vin (Max) (V)
Vout (Min) (V)
Vout (Max) (V)
Switch Current Limit (Typ) (A)
Regulated Outputs (#)
Switching Frequency (Min) (kHz)
Switching Frequency (Max) (kHz)
Iq (Typ) (mA)
Features
Duty Cycle (Max) (%)
Operating Temperature Range (C)
Package Group
TPS61322 TPS613221A TPS613222A TPS613223A TPS613226A TLV61220 TLV61224 TLV61225 TPS61097A-33 TPS61099 TPS61220 TPS61221 TPS61222
0.85    0.85    0.85    0.85    0.85    0.7    0.7    0.7    0.9    0.7    0.7    0.7    0.7   
5.5    5.5    5.5    5.5    5.5    5.5    3    3.3    5.5    5.5    5.5    5.5    5.5   
2.2    3.3    5    2    3.6    1.8    3    3.3    3.3    1.8    1.8    3.3    5   
2.2    3.3    5    2    3.6    5.5    3    3.3    3.3    5.5    5.5    3.3    5   
0.75    0.9    1.8    0.63    0.9    0.4    0.4    0.4    0.4    1    0.4    0.4    0.4   
1    1    1    1    1    1    1    1    1    1    1    1    1   
500    500    500    500    500    500    500    500        500    500    500   
2000    2000    2000    2000    2000    2000    2000    2000    2000      2000    2000    2000   
0.006    0.006    0.006    0.006    0.006    0.005    0.005    0.005    0.007    0.0008    0.005    0.005    0.005   
Light Load Efficiency
Synchronous Rectification   
Light Load Efficiency
Synchronous Rectification   
Light Load Efficiency
Synchronous Rectification   
Light Load Efficiency
Synchronous Rectification   
Light Load Efficiency
Synchronous Rectification   
Synchronous Rectification    Synchronous Rectification    Synchronous Rectification    Enable    Synchronous Rectification    Synchronous Rectification    Synchronous Rectification    Synchronous Rectification   
90    90    90    90    90    90    90    90    100    90    90    90    90   
-40 to 85    -40 to 85    -40 to 85    -40 to 85    -40 to 85    -40 to 85    -40 to 85    -40 to 85    -40 to 85    -40 to 85    -40 to 85    -40 to 85    -40 to 85   
SOT-23    SOT-23    SOT-23    SOT-23    SOT-23    SOT-23    SC70    SC70    SOT-23    DSBGA    SC70    SC70    SC70   

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WEBENCH® Designer TPS61322

  Min   Max Range
Vin  V 0.9 to 2.0V
Vout  V 2.2 to 2.2V
Iout  A ≤ 0.2A
Ambient Temp  °C -40 to 85°C


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