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Texas Instruments LM5140-Q1 | Demoboard LM5140RWGEVMHD
LM5140QRWGRQ1 Dual Synchronous Buck Converter High Density Evaluation Module (EVM)
Overview
| Topology | Buck Converter |
| Input voltage | 6-42 V |
| Switching frequency | 2000-2400 kHz |
| Output 1 | 5 V / 5 A |
| Output 2 | 3.3 V / 5 A |
Description
The LM5140-Q1 High Density evaluation module helps designers to evaluate the operation andperformance of the LM5140-Q1 synchronous buck controller. The EVM operates over the input voltagerange of 3.8 V to 42 V. The EVM provides two independent outputs, a 3.3-V output with a maximum loadcurrent of 5 A, and a 5-V output with a maximum load current of 5 A. The device offers configurability andcan be setup to switch at 440 kHz or 2.2 MHz.
Features
- The LM5140-Q1 is qualified to AEC-Q100 grade 1 (-40ºC to +125ºC operating junction temperature)
- VIN 3.8 V to 42 V (EVM)
- Two outputs:– VOUT1 fixed 3.3 V, 5 V, or adjustable from 1.5 V to 15 V– VOUT2 fixed 5 V, 8 V, or adjustable from 1.5 V to 15 V
- Shutdown Mode IQ: 9 μA
- Low IQ Standby: 35 μA typical (1-channel in regulation, no load)
- The outputs can be synchronized to an external clock
- A SYNC output
- A fixed 2.2 MHz, or 440-kHz oscillator frequency
- EN1 enables Output 1
- EN2 enables Output 2
- Hiccup Mode for sustained overload
- Independent power good (PG1 and PG2) signals
- Gate drive with slew rate control for reduced EMI
- Diode Emulation or forced pulse-width modulation (FPWM)
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT(A) | RDC max.(mΩ) | fres(MHz) | Mount | C | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | RESR(mΩ) | ILeak(µA) | DF(%) | Ø D(mm) | L(mm) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PDF SMT Power Inductor, 3.6 µH, 12 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PDF SMT Power Inductor | Inductance3.6 µH | Rated Current12 A | Saturation Current8.6 A | DC Resistance5.95 mΩ | Self Resonant Frequency46 MHz | MountSMT | – | – | – | – | – | – | – | – | Length10.2 mm | – | ||||
 | WCAP-PSLP Aluminum Polymer Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-PSLP Aluminum Polymer Capacitors | – | – | – | – | – | MountV-Chip SMT | Capacitance82 µF | Rated Voltage16 V (DC) | Endurance 2000 | Ripple Current2200 mA | ESR35 mΩ | Leakage Current400 µA | Dissipation Factor8 % | Diameter6.3 mm | Length5.8 mm | Packaging15" Tape & Reel |