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4.5V to 42V, 2A Step-Down Power Module in QFN Package

Inventory: 3,536

Download data sheet for LMZ34202
  |   View additional information for LMZ34202

Packaging information

Package | Pins B3QFN (RVQ) | 43
Operating temperature range (℃) T (-40 to 105)
Package qty | Carrier: 250 | SMALL T&R
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Quality information

RoHS Yes
Lead finish / Ball material CU NIPDAU
MSL rating / Peak reflow Level-3-245C-168 HR
Material content View
DPPM / MTBF / Fit rate View
Qualification summary View
Ongoing reliability monitoring View
Device marking View


  • Complete Integrated Power Solution Allows
    Small Footprint, Low-Profile Design
  • 10 mm × 10 mm × 4.3 mm Package
  • Wide-Output Voltage Adjust (2.5 V to 7.5 V)
  • Adjustable Switching Frequency
    (200 kHz to 1 MHz)
  • Synchronizes to an External Clock
  • Automatic PFM Mode for Light Load Efficiency
  • Adjustable Soft-Start Time
  • Output Voltage Sequencing / Tracking
  • Power Good Output
  • Programmable Undervoltage Lockout (UVLO)
  • Over-Temperature Thermal Shutdown Protection
  • Over-Current Protection (Hiccup Mode)
  • Pre-Bias Output Start-Up
  • Operating Temperature Range: –40°C to 105°C
  • Enhanced Thermal Performance: 14°C/W
  • Meets EN55022 Class B Emissions
    – Integrated Shielded Inductor
  • Create a Custom Design using the LMZ34202 with the WEBENCH® Power Designer

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The LMZ34202 power module is an easy-to-use integrated power supply that combines a 2-ADC-DC converter with a shielded inductor and passives into a low profile, QFN package. This totalpower solution allows as few as three external components while maintaining an ability to adjustkey parameters to meet specific design requirements.

The QFN package is easy to solder to a printed circuit board, allows reflow profiles upto 245°C, and has excellent power dissipation capability. The LMZ34202 offers flexibilty with manyfeatures and is ideal for powering a wide range of devices and systems.

Qty Price
1-99 $5.70
100-249 $4.98
250-999 $3.84
1,000+ $3.43

Alternative carriers

Part number LMZ34202RVQR
Package qty | Carrier 500 | LARGE T&R
Custom reel may be available
Inventory 3,031
Qty | Price (USD) 1ku | $3.43