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Analog Devices Inc. DC701A
- Part No.:
- DC701A
- Manufacturer:
- Analog Devices Inc.
- Package:
- Datasheet:
-
DC701A.pdf
- Description:
- EVAL BOARD FOR LTC3407
- Quantity:
- Payment:
- Shipping:
Inventory:3,060
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Product details
Overview
DC701A from Analog Devices (formerly Linear Technology) is a dual-channel synchronous step-down DC/DC regulator evaluation board based on the LTC3407EDD IC. It delivers up to 600mA per channel across input voltages of 2.5V–5.5V, supports selectable output voltages (1.2V/1.5V/1.8V on VOUT1 and fixed 2.5V on VOUT2), operates at 1.5MHz nominal switching frequency, and achieves up to 96% peak efficiency - ideal for compact, battery-powered portable electronics.
For engineers reviewing the DC701A datasheet, DC701A pinout, DC701A application, or DC701A equivalent, key selection considerations include its dual-output configuration, Burst Mode™ and Pulse Skip mode operation, thermal performance enabled by the LTC3407EDD's exposed-pad DFN-10 package, and compatibility with low-profile surface-mount passive components.
Technical Context
The DC701A implements two independent synchronous buck regulators using the LTC3407EDD, each featuring integrated high-side and low-side MOSFETs. Its control architecture supports both Burst Mode™ (40µA quiescent current) and Pulse Skip mode (lower light-load ripple), with mode selection via JP4 jumper.
Output voltage regulation is achieved through external resistor dividers (JP3 selects VOUT1 setpoint; VOUT2 is fixed at 2.5V), while RUN1/RUN2 enable control and MODE/SYNC pin allows synchronization or mode selection. The board uses 2.2µH shielded inductors and 10µF ceramic output capacitors optimized for stability and transient response.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.5V to 5.5V - supports single-cell Li-ion, Li-polymer, and multi-cell alkaline/NiMH battery inputs. |
| Output Channels | Dual independent outputs: VOUT1 (1.2V/1.5V/1.8V ±2%) and VOUT2 (2.5V ±2%) - enables powering mixed-voltage subsystems. |
| Max Output Current | 600mA per channel - sufficient for microcontrollers, sensors, and RF transceivers in portable designs. |
| Switching Frequency | 1.5MHz nominal (1.2–1.8MHz range) - permits use of small, low-profile inductors and capacitors. |
| Quiescent Current | 40µA in Burst Mode™ - extends battery life in always-on, low-duty-cycle applications. |
| Shutdown Current | <1µA (with POR resistor removed) - critical for zero-power standby states. |
| Output Ripple | <20mVP–P at 600mA load (20MHz BW) - meets noise-sensitive analog and RF supply requirements. |
Availability
DC701A is available at Aetrix Electronics and suitable for battery-powered handheld devices, portable medical instruments, and low-power IoT sensor nodes requiring stable component supply, rapid prototyping capability, and validated reference design implementation.
Supply support for DC701A 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 acquired Linear Technology in 2017 and maintains its legacy of high-performance power management ICs, precision analog, and signal conditioning solutions for demanding industrial and automotive applications.
The DC701A belongs to Linear Technology's demonstration circuit series designed specifically to accelerate evaluation and adoption of their monolithic DC/DC converters - emphasizing ease of use, thermal robustness, and real-world performance validation.
FAQ
What is the primary function of the DC701A evaluation board?
The DC701A evaluation board demonstrates the dual-channel synchronous step-down capabilities of the LTC3407EDD IC. It provides a fully assembled, tested platform to validate voltage regulation, efficiency, transient response, and mode-switching behavior of the DC701A under real operating conditions - eliminating the need for custom PCB development during early power architecture assessment.
Which IC is mounted on the DC701A board?
The DC701A board integrates the LTC3407EDD - a dual, synchronous, 600mA, 1.5MHz step-down DC/DC regulator in a 10-pin DFN package with exposed thermal pad. This IC forms the core power conversion engine of the DC701A and defines all electrical performance characteristics documented in the DC701A quick start guide.
How do I configure the output voltage of VOUT1 on the DC701A?
VOUT1 output voltage on the DC701A is configured using jumper JP3, which selects between 1.2V, 1.5V, or 1.8V (±2%). This corresponds to different feedback resistor divider networks on the board. VOUT2 is fixed at 2.5V and not user-adjustable. Configuration must be completed before enabling either output via JP1 or JP2.
What are the two operating modes supported by the DC701A, and how are they selected?
The DC701A supports Burst Mode™ (low IQ, higher ripple) and Pulse Skip mode (lower ripple, higher IQ), selected via jumper JP4. Burst Mode™ reduces quiescent current to 40µA for extended battery life; Pulse Skip improves light-load ripple performance. Mode changes require cycling RUN pins (JP1/JP2 OFF → JP4 repositioned → JP1/JP2 ON).
Can the DC701A be synchronized to an external clock?
Yes - the MODE/SYNC pin (Pin 6) of the LTC3407EDD on the DC701A supports external clock synchronization. When JP4 is set to the SYNC position, the regulator locks to an externally applied clock signal, enabling deterministic switching timing and reduced EMI in multi-rail systems. This functionality is verified in the DC701A schematic and layout.
DC701A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Packaging:
- Box
- Product Status:
- Obsolete
- Main Purpose:
- DC/DC, Step Down
- Outputs and Type:
- 2 Non-Isolated Outputs
- Voltage - Output:
- -
- Current - Output:
- -
- Voltage - Input:
- 600mA, 600mA
- Regulator Topology:
- 2.5V ~ 5.5V
- Frequency - Switching:
- Buck
- Contents:
- 1.5MHz
- Utilized IC / Part:
- Board(s)
- Power - Output:
- LTC3407
DC701A FAQ
1.How can I place an order for DC701A through Aetrix?
Please submit a Request for Quotation (RFQ) for DC701A 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 DC701A reliable?
The price and inventory of DC701A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DC701A is usually 5 days.
3.What payment methods are accepted for DC701A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DC701A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DC701A?
DC701A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DC701A 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 DC701A?
For technical support, including DC701A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DC701A requirements.
6.How does Aetrix verify that DC701A is sourced from the original manufacturer or authorized distributors?
All DC701A 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 DC701A meets industry standards.
7.What is the process for return or replacement of DC701A?
All DC701A units undergo pre-shipment inspection (PSI). If there is an issue with DC701A, 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 DC701A part is unused and in its original packaging.
Return procedure for DC701A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DC701A Tags
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