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TPS40140

NOT RECOMMENDED FOR NEW DESIGNS

Stackable 2 Channel Multiphase or 2 Channel Independent Output Controller

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Data sheet
TPS40140 is not recommended for new designs
This product continues to be available for existing customers. New designs should consider an alternate product.
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Similar functionality to the compared device
TPS40322 ACTIVE Dual Output or Two-phase Synchronous Buck Controller This product has an increased feature set and wider operating range.

TPS40140

NOT RECOMMENDED FOR NEW DESIGNS
Data sheet Order now

Product details

Vin (min) (V) 2 Vin (max) (V) 40 Iout (max) (A) 25 Operating temperature range (°C) -40 to 85 Control mode current mode Topology Multiphase Rating Catalog Vout (min) (V) 0.7 Vout (max) (V) 5.8 Features Enable, Frequency synchronization, Multiple Outputs, Phase Interleaving, Remote Sense, Tracking Iq (typ) (µA) 2800 Duty cycle (max) (%) 87.5 Number of phases 2
Vin (min) (V) 2 Vin (max) (V) 40 Iout (max) (A) 25 Operating temperature range (°C) -40 to 85 Control mode current mode Topology Multiphase Rating Catalog Vout (min) (V) 0.7 Vout (max) (V) 5.8 Features Enable, Frequency synchronization, Multiple Outputs, Phase Interleaving, Remote Sense, Tracking Iq (typ) (µA) 2800 Duty cycle (max) (%) 87.5 Number of phases 2
VQFN (RHH) 36 36 mm² 6 x 6
  • VDD from 4.5 to 15 V, With Internal 5-V Regulator
  • VOUT from 0.7 V to 5.8 V
  • Converts from 15-V Input to 0.7-V Output at
    1 MHz
  • Dual-Output or 2-Phase Interleaved Operation,
    Stackable to 16 Phases
  • Supports Prebiased Outputs
  • Programmable Switching Frequency up to
    1 MHz/Phase
  • 0.5% Internally Trimmed 0.7-V Reference
  • 10-µA Shutdown Current
  • Current Mode Control With Forced Current
    Sharing(1)
  • 1- to 40-V Power Stage Operation Range
  • Power Sharing From Different Input Voltage Rails,
    (for Example, Master From 5 V, Slave From 12 V)
  • True Remote Sensing Differential Amplifier
  • Programmable Input Undervoltage Lockout
    (UVLO)
  • Resistive or Inductor DCR Current Sensing
  • Provide a 6-Bit Digitally Controlled Output
    When Used With TPS40120
  • 36-Pin VQFN Package
  • VDD from 4.5 to 15 V, With Internal 5-V Regulator
  • VOUT from 0.7 V to 5.8 V
  • Converts from 15-V Input to 0.7-V Output at
    1 MHz
  • Dual-Output or 2-Phase Interleaved Operation,
    Stackable to 16 Phases
  • Supports Prebiased Outputs
  • Programmable Switching Frequency up to
    1 MHz/Phase
  • 0.5% Internally Trimmed 0.7-V Reference
  • 10-µA Shutdown Current
  • Current Mode Control With Forced Current
    Sharing(1)
  • 1- to 40-V Power Stage Operation Range
  • Power Sharing From Different Input Voltage Rails,
    (for Example, Master From 5 V, Slave From 12 V)
  • True Remote Sensing Differential Amplifier
  • Programmable Input Undervoltage Lockout
    (UVLO)
  • Resistive or Inductor DCR Current Sensing
  • Provide a 6-Bit Digitally Controlled Output
    When Used With TPS40120
  • 36-Pin VQFN Package

The TPS40140 is a multifunctional synchronous buck controller that can be configured to provide either a single-output 2-phase power supply or a power supply that supports two independent outputs. Several TPS40140 controllers can be stacked up to a 16-phase single output power supply. Alternatively, several controllers providing multiple independent outputs can be synchronized in an interleaving pattern for improved input ripple current.

The TPS40140 can convert from a 15-V input to a 0.7-V output at 1 MHz.

Each phase operates at a switching frequency of up to 1 MHz. The two phases in one device operate 180° out-of-phase. In a multiple-device stackable configuration, the phase shift of the slaves, relative to a master, is programmable.

The TPS40140 is a multifunctional synchronous buck controller that can be configured to provide either a single-output 2-phase power supply or a power supply that supports two independent outputs. Several TPS40140 controllers can be stacked up to a 16-phase single output power supply. Alternatively, several controllers providing multiple independent outputs can be synchronized in an interleaving pattern for improved input ripple current.

The TPS40140 can convert from a 15-V input to a 0.7-V output at 1 MHz.

Each phase operates at a switching frequency of up to 1 MHz. The two phases in one device operate 180° out-of-phase. In a multiple-device stackable configuration, the phase shift of the slaves, relative to a master, is programmable.
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* Data sheet TPS40140 Dual or 2-Phase, Stackable Controller datasheet (Rev. I) PDF | HTML 31 Jan 2015

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