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reference designLMR36503-Q1 | Demoboard LMR36506MSCEVM

Texas Instruments LMR36503-Q1 | Demoboard LMR36506MSCEVM

Automotive 3-V to 65-V, 0.3-A buck converter optimized for size and light load efficiency

Overview

TopologyBuck Converter
Input voltage5.5-65 V
Output 15 V / 0.6 A
IC revisionA

Description

The Texas Instruments LMR36506MSCEVM evaluation module help designers evaluate the operation and performance of the LMR36506-Q1 wide-input buck converters. The LMR36506-Q1 is an easy-to-use synchronous step-down DC/DC converter capable of driving up to 0.6 A of load current from an input voltage of up to 65 V. The LMR36506MSCEVM features an output voltage of 5 V and a switching frequency of 2.2 MHz.

Features

  • AEC-Q100-qualified for automotive applications:
  • Device temperature grade 1: –40°C to +125°C,TA
  • Functional Safety-Capable
  • Documentation available to aid functional safety system design

  • 70% efficiency at 5 mA

  • 4 μA IQ (switching) at 24 VIN to 3.3 VOUT (fixed output option)
  • Miniature solution size and low component cost
  • 2-mm × 2-mm HotRod™ package with wettable flanks
  • Internal compensation
  • Designed for automotive applications:
  • Junction temperature range –40°C to +150°C
  • Pseudo-random spread spectrum compatible with CISPR 25 EMI standard
  • Wide input voltage range: 3.0 V (falling threshold) to 65 V
  • Adjustable, 3.3-V and 5-V fixed output voltage options available
  • Synchronizable with MODE/SYNC pin variant
  • Adjustable FSW: 200 kHz to 2.2 MHz with RT pin variant
  • Pin compatible with LMR36506-Q1 (65 V, 600mA)

Typical applications

  • Advanced driver assistance systems (ADAS), Body electronics and lighting, Infotainment and cluster

More information

Parts approved by Texas Instruments

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
C
Tol. C
VR(V (DC))
Size
Operating Temperature
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
H(mm)
Fl(mm)
Packaging
L(µH)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
fres(MHz)
VOP(V)
Mount
SamplesAvailability & Sample
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885012206052
SPECWCAP-CSGP MLCCs 16 V(DC), 1 µF, ±10%
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 16 V(DC)
Capacitance1 µF
Capacitance±10% 
Rated Voltage16 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor10 %
Insulation Resistance0.1 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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74438336068
SPECWE-MAPI SMT Power Inductor, –, –
Simu­lation
Availability
–
Downloads10 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
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Size3020 
Operating Temperature -40 °C up to +125 °C
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Length3 mm
Width3 mm
Height2 mm
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Inductance6.8 µH
Performance Rated Current2.15 A
Saturation Current @ 30%3.65 A
DC Resistance168 mΩ
Self Resonant Frequency22 MHz
Operating Voltage80 V
MountSMT 
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