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Buck modules (integrated inductor)

LMZ30602

ACTIVE

2.95V to 6V, 2A Step-Down Power Module in 9x11x2.8mm QFN Package

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Data sheet

LMZ30602

ACTIVE
Data sheet Order now

Product details

Iout (max) (A) 2 Vin (min) (V) 2.95 Vin (max) (V) 6 Vout (min) (V) 0.8 Vout (max) (V) 3.6 Soft start Adjustable Features EMI Tested, Enable, Frequency synchronization, Power good, Remote Sense, Tracking Operating temperature range (°C) -40 to 85 Iq (typ) (mA) 10.5 Regulated outputs (#) 1 Switching frequency (max) (kHz) 2000 Switching frequency (min) (kHz) 500 Duty cycle (max) (%) 91 Topology Buck, Synchronous Buck Type Module Rating Catalog Control mode Voltage mode
Iout (max) (A) 2 Vin (min) (V) 2.95 Vin (max) (V) 6 Vout (min) (V) 0.8 Vout (max) (V) 3.6 Soft start Adjustable Features EMI Tested, Enable, Frequency synchronization, Power good, Remote Sense, Tracking Operating temperature range (°C) -40 to 85 Iq (typ) (mA) 10.5 Regulated outputs (#) 1 Switching frequency (max) (kHz) 2000 Switching frequency (min) (kHz) 500 Duty cycle (max) (%) 91 Topology Buck, Synchronous Buck Type Module Rating Catalog Control mode Voltage mode
B1QFN (RKG) 39 99 mm² 11 x 9
  • Complete Integrated Power Solution Allows
    Small Footprint, Low-Profile Design
  • 9 mm × 11 mm × 2.8 mm package
    - Pin Compatible with LMZ30604 and LMZ30606
  • Efficiencies Up To 96%
  • Wide-Output Voltage Adjust
    0.8 V to 3.6 V, with ±1% Reference Accuracy
  • Adjustable Switching Frequency
    (500 kHz to 2 MHz)
  • Synchronizes to an External Clock
  • Adjustable Slow-Start
  • Output Voltage Sequencing / Tracking
  • Power Good Output
  • Programmable Undervoltage Lockout (UVLO)
  • Output Overcurrent Protection
  • Over Temperature Protection
  • Operating Temperature Range: –40°C to 85°C
  • Enhanced Thermal Performance: 12°C/W
  • Meets EN55022 Class B Emissions
    - Integrated Shielded Inductor
  • Create a Custom Design Using the LMZ30602 With the WEBENCH® Power Designer
  • Complete Integrated Power Solution Allows
    Small Footprint, Low-Profile Design
  • 9 mm × 11 mm × 2.8 mm package
    - Pin Compatible with LMZ30604 and LMZ30606
  • Efficiencies Up To 96%
  • Wide-Output Voltage Adjust
    0.8 V to 3.6 V, with ±1% Reference Accuracy
  • Adjustable Switching Frequency
    (500 kHz to 2 MHz)
  • Synchronizes to an External Clock
  • Adjustable Slow-Start
  • Output Voltage Sequencing / Tracking
  • Power Good Output
  • Programmable Undervoltage Lockout (UVLO)
  • Output Overcurrent Protection
  • Over Temperature Protection
  • Operating Temperature Range: –40°C to 85°C
  • Enhanced Thermal Performance: 12°C/W
  • Meets EN55022 Class B Emissions
    - Integrated Shielded Inductor
  • Create a Custom Design Using the LMZ30602 With the WEBENCH® Power Designer

The LMZ30602 power module is an easy-to-use integrated power solution that combines a 2-A DC/DC converter with power MOSFETs, a shielded inductor, and passives into a low profile, QFN package. This total power solution requires as few as 3 external components and eliminates the loop compensation and magnetics part selection process.

The 9×11×2.8 mm QFN package is easy to solder onto a printed circuit board and allows a compact point-of-load design with greater than 90% efficiency and excellent power dissipation with a thermal impedance of 12°C/W junction to ambient. The device delivers the full 2-A rated output current at 85°C ambient temperature without airflow.

The LMZ30602 offers the flexibility and the feature-set of a discrete point-of-load design and is ideal for powering performance DSPs and FPGAs. Advanced packaging technology afford a robust and reliable power solution compatible with standard QFN mounting and testing techniques.

The LMZ30602 power module is an easy-to-use integrated power solution that combines a 2-A DC/DC converter with power MOSFETs, a shielded inductor, and passives into a low profile, QFN package. This total power solution requires as few as 3 external components and eliminates the loop compensation and magnetics part selection process.

The 9×11×2.8 mm QFN package is easy to solder onto a printed circuit board and allows a compact point-of-load design with greater than 90% efficiency and excellent power dissipation with a thermal impedance of 12°C/W junction to ambient. The device delivers the full 2-A rated output current at 85°C ambient temperature without airflow.

The LMZ30602 offers the flexibility and the feature-set of a discrete point-of-load design and is ideal for powering performance DSPs and FPGAs. Advanced packaging technology afford a robust and reliable power solution compatible with standard QFN mounting and testing techniques.
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Technical documentation

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Type Title Date
* Data sheet LMZ30602 2-A Power Module With 2.95V-6V Input in QFN Package datasheet (Rev. B) 11 Apr 2018
Selection guide Innovative DC/DC Power Modules Selection Guide (Rev. D) 14 Oct 2021
More literature Soldering Requirements for BQFN Packages (Rev. C) 05 Mar 2020
More literature Simplify low EMI design with power modules 20 Nov 2017
More literature Working With QFN Power Modules (Rev. A) 08 Jun 2017
EVM User's guide Using the LMZ30606EVM-003, LMZ30604EVM-001, LMZ30602EVM-002 (Rev. A) 06 Mar 2014
More literature Adjusting LMZ3 Output Voltage with LM10010/1 11 Feb 2014

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

LMZ30606EVM-003 — 2.95V to 6V, 6A Step-Down Power Module Evaluation Board

The LMZ30606EVM-003 is a fully assembled and tested circuit for evaluating the LMZ30606. The output voltage can be selected from four preset values using a jumper (3.3V, 2.5V, 1.8V, 1.2V, and 0.8V) and has an adjustable switching frequency of 500 kHz to 1 MHz. Solder pads and jumpers are available (...)
User guide: PDF
Not available on TI.com
Simulation model

LMZ30602 PSpice Transient Model

SNVM516.ZIP (101 KB) - PSpice Model
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Simulation model

LMZ30602 Unencrypted PSpice Transient Model

SNVM792.ZIP (7 KB) - PSpice Model
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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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Reference designs

TIDA-010011 — High efficiency power supply architecture reference design for protection relay processor module

This reference design showcases various power architectures for generating multiple voltage rails for an application processor module, requiring >1A load current and high efficiency . The required power supply is generated using 5-, 12- or 24-V DC input from the backplane. Power supplies are (...)
Design guide: PDF
Schematic: PDF
Package Pins Download
B1QFN (RKG) 39 View options

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