ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC REG LINEAR POS ADJ 5A D2PAK-3
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Adjustable
- Number of Regulators：1
- Voltage - Input (Max)：30V
- Voltage - Output (Min/Fixed)：1.25V
- Voltage - Output (Max)：28.5V
- Voltage Dropout (Max)：1.5V @ 5A
- Current - Output：5A
- Current - Quiescent (Iq)：10 mA
- Current - Supply (Max)：-
- PSRR：72dB (120Hz)
- Control Features：-
- Protection Features：Over Temperature, Short Circuit
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：TO-263-4, D2PAK (3 Leads + Tab), TO-263AA
- Supplier Device Package：D2PAK-3
- Grade：-
- Qualification：-
Download product information
Overview
The LD1084D2M-R is a low-dropout positive voltage regulator from the STMicroelectronics LD1084 series, designed to deliver up to 5A of output current. It features a maximum dropout voltage of 1.5V at full load and offers fixed output voltages including 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, 3.6V, 5V, 8V, 9V, and 12V. The device operates within an input voltage range of up to 30V and maintains an operating junction temperature range from -40°C to +125°C. Quiescent current is typically 10mA, with line regulation at 6mV and load regulation at 15mV under standard test conditions.
Feature Summary
- Pin-to-pin compatibility with older three-terminal adjustable regulators while providing improved dropout performance and tighter output tolerance.
- Internal power and thermal limiting mechanisms protect the device against overload conditions.
- Quiescent current flows into the load rather than being wasted, increasing overall system efficiency compared to PNP regulators.
Applications
- SCSI-2 active termination using the 2.85V output version
- General-purpose low-dropout voltage regulation for high-current loads
- Power management in industrial and consumer electronic equipment
Procurement Notes
Verify the specific suffix configuration against the manufacturer's official datasheet to confirm the exact output voltage and package variant. Confirm availability status as distribution channels may list obsolete or end-of-life inventory. Ensure the ordering code matches the required electrical characteristics and mechanical footprint before finalizing procurement decisions.
Selection Notes
Select this component when a stable 5A supply is required with minimal voltage drop across the regulator. Consider the D2PAK package for surface-mount applications requiring efficient heat dissipation. Evaluate the fixed output options against system requirements to avoid external resistor networks needed for adjustable variants.
Part Context
This part belongs to the LD1084 series of 5A low-dropout positive voltage regulators manufactured by STMicroelectronics. The series includes various fixed voltage versions and adjustable configurations housed in TO-220, D2PAK, and D2PAK/A packages. It is categorized under PMIC - Power Management ICs within the broader semiconductor product portfolio.
Replacement Considerations
LD1084D2M18R
FAQ
What is the minimum capacitor requirement for stability?
Only a 10µF minimum capacitor is needed for stability.
How does the quiescent current behavior differ from PNP regulators?
Unlike PNP regulators where part of the output current is wasted as quiescent current, the LD1084 quiescent current flows into the load, thereby increasing efficiency.
