TPS61097A-33

ACTIVE

Product details

Vin (Min) (V) 0.9 Vin (Max) (V) 5.5 Vout (Min) (V) 3.3 Vout (Max) (V) 3.3 Switch current limit (Typ) (A) 0.4 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 200 Switching frequency (Max) (kHz) 2000 Iq (Typ) (mA) 0.007 Features Bypass Mode Pass-through Mode Duty cycle (Max) (%) 100 Rating Catalog
Vin (Min) (V) 0.9 Vin (Max) (V) 5.5 Vout (Min) (V) 3.3 Vout (Max) (V) 3.3 Switch current limit (Typ) (A) 0.4 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 200 Switching frequency (Max) (kHz) 2000 Iq (Typ) (mA) 0.007 Features Bypass Mode Pass-through Mode Duty cycle (Max) (%) 100 Rating Catalog
SOT-23 (DBV) 5 5 mm² 2.9 x 1.6
  • Up to 93% Efficiency at Typical Operating
    Conditions
  • Connection from Battery to Load via Bypass
    Switch in Shutdown Mode
  • Typical Shutdown Current Less Than 5 nA
  • Typical Quiescent Current Less Than 5 µA
  • Operating Input Voltage Range
    From 0.9 V to 5.5 V
  • Power-Save Mode for Improved Efficiency at
    Low Output Power
  • Overtemperature Protection
  • Small 2.8-mm × 2.9-mm 5-Pin SOT-23
    Package
  • Up to 93% Efficiency at Typical Operating
    Conditions
  • Connection from Battery to Load via Bypass
    Switch in Shutdown Mode
  • Typical Shutdown Current Less Than 5 nA
  • Typical Quiescent Current Less Than 5 µA
  • Operating Input Voltage Range
    From 0.9 V to 5.5 V
  • Power-Save Mode for Improved Efficiency at
    Low Output Power
  • Overtemperature Protection
  • Small 2.8-mm × 2.9-mm 5-Pin SOT-23
    Package

The TPS61097A-33 provides a power supply solution for products powered by either a single-cell, two-cell, or three-cell alkaline, NiCd, or NiMH, or one-cell Li-Ion or Li-polymer battery. They can also be used in fuel cell or solar cell powered devices where the capability of handling low input voltages is essential. Possible output currents depend on the input-to-output voltage ratio. The devices provide output currents up to 100 mA at a 3.3-V output while using a single-cell Li-Ion or Li-Polymer battery. The boost converter is based on a current-mode controller using synchronous rectification to obtain maximum efficiency. The maximum average input current is limited to a value of 400 mA. The converter can be disabled to minimize battery drain. During shutdown, the battery is connected to the load to enable battery backup of critical functions on the load. The device is packaged in a 5-pin SOT-23 package (DBV) measuring 2.8 mm × 2.9 mm.

The TPS61097A-33 provides a power supply solution for products powered by either a single-cell, two-cell, or three-cell alkaline, NiCd, or NiMH, or one-cell Li-Ion or Li-polymer battery. They can also be used in fuel cell or solar cell powered devices where the capability of handling low input voltages is essential. Possible output currents depend on the input-to-output voltage ratio. The devices provide output currents up to 100 mA at a 3.3-V output while using a single-cell Li-Ion or Li-Polymer battery. The boost converter is based on a current-mode controller using synchronous rectification to obtain maximum efficiency. The maximum average input current is limited to a value of 400 mA. The converter can be disabled to minimize battery drain. During shutdown, the battery is connected to the load to enable battery backup of critical functions on the load. The device is packaged in a 5-pin SOT-23 package (DBV) measuring 2.8 mm × 2.9 mm.

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Technical documentation

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Type Title Date
* Data sheet TPS61097A-33 Low-Input Voltage Synchronous-Boost Converter With Low Quiescent Current datasheet (Rev. A) PDF | HTML 19 Dec 2014
EVM User's guide Using the TPS61097AEVM-073 10 Jan 2014

Design & development

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Evaluation board

TPS61097-33EVM-498 — TPS61097-33EVM-498 Evaluation Module

The TPS61097-33EVM-498 evaluation module allows the user to apply different input voltages (0.9V to 5.5V) under different loading conditions (0 to 200mA) to the TPS61097-33 boost converter. Output, input and switching waveforms can be monitored on the evaluation module. Different input and output (...)
Evaluation board

TPS61097AEVM-073 — TPS61097AEVM-073 Evaluation Module

The TPS61097AEVM-073 evaluation module (EVM) demonstrates the Texas Instruments TPS61097A-33 synchronous boost converter. The input voltage range of the TPS61097A-33 is 0.9 to 5.5 V, which allows the device to operate from one-cell to three-cell battery configurations in addition to a single-cell (...)

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User guide: PDF
Schematic: PDF
Package Pins Download
SOT-23 (DBV) 5 View options

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