My Inquiry
My Account
Analog Devices Inc. DC1345A
- Part No.:
- DC1345A
- Manufacturer:
- Analog Devices Inc.
- Package:
- Datasheet:
-
DC1345A.pdf
- Description:
- EVAL BOARD FOR LTC3879
- Quantity:
- Payment:
- Shipping:
Inventory:3,944
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
DC1345A from Analog Devices is a demonstration circuit for the LTC3879EMSE no-Rsense synchronous step-down DC/DC controller, operating from 4.5V to 34V input and delivering 1.2V ±2% at up to 12A output current with 300kHz fixed-frequency valley current mode control and CCM/DCM selectable operation.
For engineers reviewing the DC1345A datasheet, DC1345A pinout, DC1345A application, or DC1345A equivalent, this board enables rapid evaluation of wide-input, high-current buck converter performance-including load-step response, PGOOD signaling, voltage tracking, and efficiency across 5V–34V input conditions with Infineon MOSFETs and Wurth inductor.
Technical Context
The DC1345A implements the LTC3879EMSE's fixed on-time valley current mode architecture, enabling sub-100ns load transient response without external sense resistors. It integrates RUN, TRACK, and PGOOD pins for system-level sequencing and monitoring.
Board-level design uses Infineon BSC093N04LSG (high-side) and BSC035N04LSG (low-side) MOSFETs, Wurth 744325072 (0.72µH, 1.3mΩ DCR) inductor, and supports CCM/DCM selection via MODE jumper-enabling optimization for light-load efficiency or regulation stability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5V to 34V - supports industrial 24V rails, automotive 12V/24V systems, and wide-range power inputs without derating. |
| Output Voltage | 1.2V ±2% - tightly regulated core voltage for FPGA, ASIC, or microprocessor VDD domains. |
| Max Output Current | 12A - sufficient for high-performance digital loads with margin for thermal derating. |
| Switching Frequency | 300kHz - balances EMI, inductor size, and MOSFET switching loss for compact board layout. |
| Output Ripple | 20mVP–P @ 12VIN/12A - measured with 20MHz BW, indicating effective output filtering for noise-sensitive loads. |
| Efficiency | 90% typical @ 12VIN/12A - achieved using low-RDS(on) Infineon MOSFETs and low-DCR inductor. |
Availability
DC1345A is available at Aetrix Electronics and suitable for FPGA power delivery, industrial PLC I/O modules, automotive infotainment power supplies, and embedded computing platforms requiring stable component supply and validated reference designs.
Supply support for DC1345A includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision, power, and connectivity applications.
The DC1345A belongs to Analog Devices' Linear Technology demonstration circuit family, designed to accelerate validation of high-efficiency, wide-input DC/DC controllers in real-world power systems.
FAQ
What is the primary function of the DC1345A demonstration circuit?
The DC1345A demonstration circuit implements the LTC3879EMSE no-Rsense synchronous step-down controller to deliver 1.2V at up to 12A from a 4.5V–34V input. It serves as a fully assembled, tested reference design for evaluating fast transient response, PGOOD signaling, voltage tracking, and CCM/DCM mode selection-enabling immediate lab validation of the DC1345A without custom PCB development.
Does the DC1345A include the LTC3879EMSE controller IC?
Yes, the DC1345A includes the LTC3879EMSE controller IC mounted on the board. This 16-pin MSOP package device provides valley current mode control, RUN/PGOOD/TRACK interface pins, and internal gate drivers-making the DC1345A a complete, functional evaluation platform for the LTC3879EMSE, not just a passive test fixture.
How is light-load efficiency optimized on the DC1345A?
The DC1345A supports light-load efficiency optimization via a MODE jumper that selects between continuous conduction mode (CCM) and discontinuous conduction mode (DCM). In DCM, the LTC3879EMSE disables the low-side MOSFET during idle periods, reducing switching losses-this behavior is implemented and verified on the DC1345A board per its Quick Start Guide configuration steps.
What external components are used for power stage implementation on the DC1345A?
The DC1345A uses Infineon BSC093N04LSG (high-side) and BSC035N04LSG (low-side) 40V MOSFETs, plus a Wurth 744325072 0.72µH power inductor with 1.3mΩ DCR. These components are specified in the DC1345A Quick Start Guide and enable the documented 12A output and 90% efficiency at 12V input-no additional external power stage parts are required to operate the DC1345A.
Can the DC1345A be used to evaluate voltage tracking functionality?
Yes, the DC1345A exposes the TRACK pin of the LTC3879EMSE, allowing precise sequencing of the 1.2V output with other power rails. As confirmed in the DC1345A Quick Start Guide, the TRACK pin accepts an external voltage ramp to synchronize startup timing-enabling direct evaluation of multi-rail power-up sequencing without modification to the DC1345A board.
DC1345A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Packaging:
- Box
- Product Status:
- Active
- Main Purpose:
- DC/DC, Step Down
- Outputs and Type:
- 1 Non-Isolated Output
- Voltage - Output:
- -
- Current - Output:
- 1.2V
- Voltage - Input:
- 12A
- Regulator Topology:
- 4.5V ~ 34V
- Frequency - Switching:
- Buck
- Contents:
- 300kHz
- Utilized IC / Part:
- Board(s)
- Power - Output:
- LTC3879
DC1345A FAQ
1.How can I place an order for DC1345A through Aetrix?
Please submit a Request for Quotation (RFQ) for DC1345A on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for DC1345A reliable?
The price and inventory of DC1345A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DC1345A is usually 5 days.
3.What payment methods are accepted for DC1345A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DC1345A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DC1345A?
DC1345A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DC1345A order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for DC1345A?
For technical support, including DC1345A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DC1345A requirements.
6.How does Aetrix verify that DC1345A is sourced from the original manufacturer or authorized distributors?
All DC1345A products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that DC1345A meets industry standards.
7.What is the process for return or replacement of DC1345A?
All DC1345A units undergo pre-shipment inspection (PSI). If there is an issue with DC1345A, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The DC1345A part is unused and in its original packaging.
Return procedure for DC1345A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DC1345A Tags
-
DFR0571
DFRobot
-
DFR0379
DFRobot
-
DFR0205
DFRobot
-
1385
Adafruit Industries LLC
-
COM-15208
SparkFun Electronics
-
1944
Adafruit Industries LLC
-
2465
Adafruit Industries LLC
-
DC2468A
Analog Devices Inc.
-
DC2841A
Analog Devices Inc.
-
TPS552892EVM-111
Texas Instruments
-
TPS55289EVM-093
Texas Instruments
-
EPC9158
EPC
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
