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Analog Devices Inc. DC1388A
- Part No.:
- DC1388A
- Manufacturer:
- Analog Devices Inc.
- Package:
- Datasheet:
-
DC1388A.pdf
- Description:
- EVAL BOARD FOR LT3008
- Quantity:
- Payment:
- Shipping:
Inventory:4,034
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Product details
Overview
DC1388A from Analog Devices (formerly Linear Technology) is a demonstration circuit board built around the LT3008EDC ultralow-quiescent-current linear regulator, delivering up to 20mA output with 3µA IQ, 2V–45V input range, and fixed-output voltage options from 1.2V to 5.0V ±3%. It serves as an evaluation platform for battery-powered keep-alive and remote monitoring systems.
For engineers reviewing the DC1388A datasheet, DC1388A pinout, DC1388A application, or DC1388A equivalent, this board enables rapid validation of LT3008EDC performance under real-world load, line, and dropout conditions - especially critical for low-power IoT sensors, utility meter backup rails, and secure access hardware requiring sub-5µA standby consumption.
Technical Context
The DC1388A implements the LT3008EDC in a 2mm×2mm DFN-8 package, configured with selectable fixed-output voltages via jumper J1 (1.2V/1.5V/1.8V/2.0V/2.5V/3.3V/5.0V) or user-defined output using external resistor R8. JP1 controls enable/disable functionality.
It supports full-range input operation from 2V to 45V while maintaining regulation across 0–20mA loads, leveraging the LT3008's internal bandgap reference, precision error amplifier, and PMOS pass device - enabling stable output even at ultra-low quiescent current.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2V to 45V - supports wide-input industrial and battery-derived supplies including 3.7V Li-ion, 12V automotive, and 24V/48V telecom rails. |
| Output Current Capability | Up to 20mA - sufficient for powering RTCs, microcontroller sleep domains, EEPROMs, and low-duty-cycle wireless transceivers. |
| Quiescent Current | <3µA - enables multi-year operation from coin cells (e.g., CR2032) in always-on monitoring applications. |
| Output Voltage Options | 1.2V, 1.5V, 1.8V, 2.0V, 2.5V, 3.3V, 5.0V ±3% - covers common logic and analog supply requirements without external feedback components. |
| Package Type | 2mm × 2mm DFN-8 - compact footprint suitable for space-constrained embedded modules and metering PCBs. |
| Enable Control | JP1 jumper - provides hardware-level ON/OFF control for system-level power sequencing and deep-sleep management. |
Availability
DC1388A is available at Aetrix Electronics and suitable for battery-backed real-time clocks, smart utility meter keep-alive rails, and hotel electronic door lock controllers requiring stable component supply and long-term design-in support.
Supply support for DC1388A 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. (including legacy Linear Technology products) designs high-performance analog, mixed-signal, and power management ICs for precision, reliability, and energy efficiency across industrial, automotive, and communications markets.
The DC1388A belongs to Linear Technology's demonstration circuit family, engineered specifically to accelerate evaluation and adoption of ultralow-IQ regulators like the LT3008EDC in energy-critical embedded systems.
FAQ
What is the primary function of the DC1388A demonstration circuit?
The DC1388A demonstration circuit is a fully assembled evaluation platform for the LT3008EDC ultralow-quiescent-current linear regulator. It allows engineers to validate key performance parameters - including dropout behavior, load regulation, line regulation, and ripple rejection - without designing custom PCBs. The DC1388A simplifies prototyping for applications where standby power budget is constrained.
Which output voltage options are supported by the DC1388A out of the box?
The DC1388A supports seven fixed output voltages via jumper J1: 1.2V, 1.5V, 1.8V, 2.0V, 2.5V, 3.3V, and 5.0V, each with ±3% tolerance. These are factory-configured options; no soldering is required to select among them. The DC1388A also supports user-defined outputs using external resistor R8 per the provided design equation.
Does the DC1388A include enable functionality, and how is it implemented?
Yes, the DC1388A includes hardware enable control via jumper JP1. When JP1 is installed in the ON position, the LT3008EDC is powered and regulating; when removed or placed in OFF, the regulator shuts down completely, reducing system standby current to near-zero. This feature directly supports low-power system wake/sleep cycles in the DC1388A implementation.
Can the DC1388A be used to evaluate load transient response?
Yes, the DC1388A supports load transient testing using standard bench equipment. Its layout minimizes parasitic inductance, and the onboard input/output capacitors (C1, C2, C3) are selected per LT3008EDC recommendations. Engineers can apply step loads up to 20mA and measure VOUT stability and recovery time - a key verification step enabled by the DC1388A's validated design.
Is the DC1388A compatible with the LT3008IDC variant, or only the LT3008EDC?
The DC1388A is specifically designed and tested with the LT3008EDC (–40°C to +125°C operating temperature grade). While the LT3008IDC (–40°C to +85°C) shares identical pinout and electrical characteristics at room temperature, the DC1388A's thermal validation and component ratings align with the E-grade specification. For extended-temperature applications, the DC1388A should be used with the LT3008EDC as specified in its documentation.
DC1388A 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 ~ 5V
- Voltage - Input:
- 20mA
- Regulator Topology:
- 2V ~ 45V
- Frequency - Switching:
- Buck
- Contents:
- -
- Utilized IC / Part:
- Board(s)
- Power - Output:
- LT3008
DC1388A FAQ
1.How can I place an order for DC1388A through Aetrix?
Please submit a Request for Quotation (RFQ) for DC1388A 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 DC1388A reliable?
The price and inventory of DC1388A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DC1388A is usually 5 days.
3.What payment methods are accepted for DC1388A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DC1388A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DC1388A?
DC1388A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DC1388A 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 DC1388A?
For technical support, including DC1388A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DC1388A requirements.
6.How does Aetrix verify that DC1388A is sourced from the original manufacturer or authorized distributors?
All DC1388A 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 DC1388A meets industry standards.
7.What is the process for return or replacement of DC1388A?
All DC1388A units undergo pre-shipment inspection (PSI). If there is an issue with DC1388A, 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 DC1388A part is unused and in its original packaging.
Return procedure for DC1388A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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