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Datasheet Linear Technology LTC7124IUDD#TRPBF

ManufacturerLinear Technology
Part NumberLTC7124IUDD#TRPBF

17V, Dual 3.5A Synchronous Step-Down Regulator with Ultralow Quiescent Current


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    LTC7124 -17V, Dual 3.5A Synchronous Step-Down Regulator with Ultralow Quiescent Current
    Docket ↓
    17V, Dual 3.5A Synchronous Step-Down
    Regulator with Ultralow Quiescent Current
    FEATURES DESCRIPTION Wide VIN Range: 3.1V to 17V
    nn Wide V
    OUT Range: 0.6V to 99% VIN
    nn Dual Step-Down Outputs: 3.5A Per Channel
    nn Integrated 80mΩ/40mΩ N-Channel MOSFETs
    Provide Up to 95% Efficiency
    nn No-Load I < 8μA with Both Channels Enabled;
    IQ < 5.5μA with Only One Channel Enabled
    nn Programmable Frequency (500kHz to 4MHz) with
    ±25% Frequency Synchronization Range
    nn Configurable for a 2-Phase Single Output at Up to 7A
    nn ±1.0% Output Voltage Accuracy
    nn Current Mode Operation for Excellent Line and Load
    Transient Response
    nn Internal or Programmable External Loop Compensation
    nn Available in a 3mm × 5mm QFN-24 Package The LTC®7124 is a dual channel, 3.5A per output, high
    efficiency monolithic step-down regulator capable of
    operating from input supplies up to 17V. The programmable switching frequency ranges from 500kHz to 4MHz
    with a ±25% external clock synchronization capability ...



Package3x5 UDD-24
Package CodeUDD


ArchitectureConstant Frequency Peak Current Mode
Demo BoardsDC2329A
Design ToolsLTpowerCAD Model
Export Controlno yes/no
FeaturesBurst Mode, Resistor Set Frequency, External Synchronization, Power Good
Frequency4000 kHz
Frequency Adjust Range500kHz - 4MHz
Frequency Sync Range500kHz - 4MHz
Integrated Inductorno yes/no
Ishutdown0.1 µA
Isupply0.0055 mA
Monolithicyes yes/no
Number of Outputs2
Operating Temperature Range-40 to 85 °C
Output Current3.5 A
Output Current 23.5 A
Polyphaseyes yes/no
Switch Current5 A
Switch Current 25 A
Synchronousyes yes/no
Topology 1Buck
Topology 2Buck
Vin Max17 V
Vin Min3.1 V
Vout Max16.83 V
Vout Max 216.83 V
Vout Maximum0.99Vin
Vout Min0.6 V
Vout Min 20.6 V
Vref Accuracy Over Temp1 %

Eco Plan


Moldel Line

Series: LTC7124 (4)

Manufacturer's Classification

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Micropower Buck Regulators | Internal Power Switch Buck

Other Names:


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