LMZ31710 2.95V to 17V, 10A Step-Down Power Module with Current Sharing in 10x10x4.3mm QFN Package | TI.com

LMZ31710
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2.95V to 17V, 10A Step-Down Power Module with Current Sharing in 10x10x4.3mm QFN Package

 

Description

The LMZ31710 power module is an easy-to-use integrated power solution that combines a 10-A DC/DC converter with power MOSFETs, a shielded inductor, and passives into a low-profile QFN package. This total power solution allows as few as three external components and eliminates the loop compensation and magnetics part selection process.

The 10 × 10 × 4.3 mm QFN package is easy to solder onto a printed circuit board and allows a compact point-of-load design. The device achieves greater than 95% efficiency and excellent power dissipation capability with a thermal impedance of 13.3°C/W. The LMZ31710 offers the flexibility and the feature set of a discrete point-of-load design and is ideal for powering a wide range of ICs and systems. Advanced packaging technology affords a robust and reliable power solution compatible with standard QFN mounting and testing techniques.

Features

  • Complete integrated power solution
    • Small footprint, low-profile design
    • Pin compatible with LMZ31707 and LMZ31704
    • 10 mm × 10 mm × 4.3 mm package
  • Efficiencies up to 95%
  • Eco-Mode™ and Light Load Efficiency (LLE)
  • Wide-output voltage adjust
    0.6 V to 5.5 V, With 1% reference accuracy
  • Supports parallel operation for higher current
  • Optional split power rail allows
    input voltage down to 2.95 V
  • Adjustable switching frequency
    (200 kHz to 1.2 MHz)
  • Synchronizes to an external clock
  • Provides 180° out-of-phase clock signal
  • Adjustable slow start
  • Output voltage sequencing and tracking
  • Power-good output
  • Programmable Undervoltage Lockout (UVLO)
  • Overcurrent and overtemperature protection
  • Prebias output start-up
  • Operating temperature range: –40°C to +85°C
  • Enhanced thermal performance: 13.3°C/W
  • Meets EN55022 Class B emissions
    - integrated shielded inductor
  • Create a custom design using the LMZ31710 with the WEBENCH® Power Designer

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WEBENCH® Power Designer is now even easier to use. Try it now.

WEBENCH® Designer LMZ31710

  Min   Max Range
Vin  V 4.5 to 17.0V
Vout  V 0.6 to 5.5V
Iout  A ≤ 10A
Ambient Temp  °C -40 to 125°C

Parametrics

Compare all products in Buck modules (integrated inductor) Email Download to Excel
Part number Order Iout (Max) (A) Vin (Min) (V) Vin (Max) (V) Vout (Min) (V) Vout (Max) (V) Soft start Features Iq (Typ) (mA) Regulated outputs (#) Package size: mm2:W x L (PKG) Switching frequency (Max) (kHz) Switching frequency (Min) (kHz) Switching frequency (Typ) (kHz) Topology Operating temperature range (C) Duty cycle (Max) (%) Package Group Type
LMZ31710 Order now 10     2.95     17     0.6     5.5     Adjustable     Current Sharing
EMI Tested
Frequency Synchronization
Power Good
Remote Sense
Tracking
Light Load Efficiency    
0.8     1     42B3QFN: 100 mm2: 10 x 10 (B3QFN | 42)     1200     200     1000     Buck
Synchronous Buck    
-40 to 85     100     B3QFN | 42     Module