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reference designLM65680 | Demoboard LM65680-Q1EVM

Texas Instruments LM65680 | Demoboard LM65680-Q1EVM

LM656x0-Q1 Automotive, 65V, 8A/6A/4A, Synchronous Buck DC/DC Converter Family With Mitigated Interference and Noise Technology (MINT)

Overview

TopologyBuck Converter
Input voltage9-60 V
Output 160 V / 8 A
Output 260 V / 8 A
IC revision1

Description

The LM656x0-Q1 is a synchronous buck DC/DC converter offered from a family of devices with mitigated interference and noise technology using architecture 1 features (MINT 1) that enable low EMI, high power density, and excellent conversion efficiency. Integrated power MOSFETs with low RDS(on) enable up to 8A of output current across a wide VIN range of 3.5V to 65V (with transients to 70V).

Features

AEC-Q100 qualified for automotive applications:– Device temperature grade 1: –40°C to 125°Cambient operating temperature

  • Functional Safety-Capable– Documentation available to aid ISO 26262system design
  • Versatile synchronous buck converter family– Wide VIN range of 3.5V to 65V (70V transients)– Meets LV148 / ISO21780 requirements– 4A, 6A, and 8A output current options– Adjustable output voltage from 0.8V to 60V, orfixed output options of 3.3V and 5V
  • Mitigated interference and noise technology –architecture 1 (MINT 1)– Facilitates CISPR 25 Class 5 compliance– Enhanced HotRod™ QFN (eQFN) package withsymmetrical pinout design and minimal LLOOP– Spread Spectrum (DRSS) and switching slewrate control reduce peak emissions– Switching frequency from 300kHz to 2.2MHz
  • High efficiency across the full load current range– 95% at 48VIN, 12VOUT, 8A, 400kHz– Multiphase stackable for higher output current– Dual-input VCC subregulator with BIAS option
  • Improved reliability with optimized pinout designand clearance for short-circuit-to-adjacent-pin test
  • Create a custom design using the LM656x0-Q1with the WEBENCH® Power Designe

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
RDC max.(mΩ)
fres(MHz)
Mount
SamplesAvailability & Sample
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744393465033
SPECWE-XHMI SMT Power Inductor, 3.3 µH, 20.4 A
Simu­lation
Availability
–
Downloads9 files

Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Product seriesWE-XHMI SMT Power Inductor
Inductance3.3 µH
Performance Rated Current20.4 A
Saturation Current @ 30%15.6 A
DC Resistance6 mΩ
DC Resistance6.5 mΩ
Self Resonant Frequency21 MHz
MountSMT 
–Check availability
744393665047
SPECWE-XHMI SMT Power Inductor, 4.7 µH, 24.7 A
Simu­lation
Availability
–
Downloads9 files

Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Product seriesWE-XHMI SMT Power Inductor
Inductance4.7 µH
Performance Rated Current24.7 A
Saturation Current @ 30%26.5 A
DC Resistance5.7 mΩ
DC Resistance7.3 mΩ
Self Resonant Frequency14 MHz
MountSMT 
–Check availability
744393465068
SPECWE-XHMI SMT Power Inductor, 6.8 µH, 13.4 A
Simu­lation
Availability
–
Downloads9 files

Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Product seriesWE-XHMI SMT Power Inductor
Inductance6.8 µH
Performance Rated Current13.4 A
Saturation Current @ 30%10.9 A
DC Resistance12.5 mΩ
DC Resistance14 mΩ
Self Resonant Frequency13 MHz
MountSMT 
–Check availability
744393665082
SPECWE-XHMI SMT Power Inductor, 8.2 µH, 19.4 A
Simu­lation
Availability
–
Downloads9 files

Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Product seriesWE-XHMI SMT Power Inductor
Inductance8.2 µH
Performance Rated Current19.4 A
Saturation Current @ 30%19.5 A
DC Resistance10.7 mΩ
DC Resistance13 mΩ
Self Resonant Frequency10 MHz
MountSMT 
–Check availability