規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Applications | Converter, DDR |
| Voltage - Input | 2.2V ~ 5.5V |
| Number of Outputs | 1 |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
概述
Description
The LP2998MAX/NOPB is a precision DDR termination regulator from Texas Instruments designed for high-performance memory applications. It provides a precise 1.25V reference voltage, crucial for DDR memory systems, enabling efficient power management. This device supports a wide input voltage range and offers a sink/source current capability, making it suitable for various DDR applications, including DDR, DDR2, DDR3, and DDR4.
A key feature of this regulator is its ability to maintain a stable output under varying load conditions, ensuring reliable memory performance. It includes an integrated power-good indicator and a shutdown function for enhanced system control and diagnostics. The LP2998MAX/NOPB is designed with thermal protection, short-circuit protection, and current limiting to ensure robust operation under fault conditions.
Packaged in a compact, thermally efficient layout, it is ideal for use in space-constrained environments. Its compliance with the RoHS standards ensures that it meets environmental and safety requirements, making it a reliable choice for modern electronic systems requiring efficient power regulation.
A key feature of this regulator is its ability to maintain a stable output under varying load conditions, ensuring reliable memory performance. It includes an integrated power-good indicator and a shutdown function for enhanced system control and diagnostics. The LP2998MAX/NOPB is designed with thermal protection, short-circuit protection, and current limiting to ensure robust operation under fault conditions.
Packaged in a compact, thermally efficient layout, it is ideal for use in space-constrained environments. Its compliance with the RoHS standards ensures that it meets environmental and safety requirements, making it a reliable choice for modern electronic systems requiring efficient power regulation.
Equivalent
The LP2998MAX/NOPB is a DDR Termination Regulator designed by Texas Instruments. Equivalent products include:
1. Micrel MIC5165 - DDR termination regulator.
2. On Semiconductor NCP51200 - DDR memory termination regulator.
3. Fairchild Semiconductor FAN2030 - DDR termination regulator.
4. Intersil ISL6208 - DDR termination regulator.
These chips provide similar functionalities for DDR termination applications, but specific compatibility should be verified based on detailed specifications and application requirements.
1. Micrel MIC5165 - DDR termination regulator.
2. On Semiconductor NCP51200 - DDR memory termination regulator.
3. Fairchild Semiconductor FAN2030 - DDR termination regulator.
4. Intersil ISL6208 - DDR termination regulator.
These chips provide similar functionalities for DDR termination applications, but specific compatibility should be verified based on detailed specifications and application requirements.
Features
The LP2998MAX/NOPB is a precision DDR termination regulator designed to meet JEDEC requirements for DDR, DDR2, DDR3, and DDR3L memory systems. Key features include:
1. Wide Input Voltage Range: Supports input voltage range from 1.2V to 3.5V.
2. Output Voltage Tracking: Provides accurate tracking of the reference voltage, which is essential for proper memory termination.
3. Sink and Source Capability: Can both sink and source up to 2A, ensuring stable performance during dynamic loading conditions.
4. Low Output Voltage Offset: Ensures precise voltage regulation with minimal offset.
5. Fast Transient Response: Designed to handle rapid load changes efficiently.
6. Over-Current Protection: Features built-in protection to prevent damage from over-current conditions.
7. Thermal Shutdown: Includes thermal protection to prevent device overheating.
8. Small Package: Available in a compact package, suitable for space-constrained applications.
9. Low Quiescent Current: Optimized for power-sensitive applications with minimal power consumption when inactive.
These features make the LP2998MAX/NOPB ideal for reliable operation in memory-intensive applications.
1. Wide Input Voltage Range: Supports input voltage range from 1.2V to 3.5V.
2. Output Voltage Tracking: Provides accurate tracking of the reference voltage, which is essential for proper memory termination.
3. Sink and Source Capability: Can both sink and source up to 2A, ensuring stable performance during dynamic loading conditions.
4. Low Output Voltage Offset: Ensures precise voltage regulation with minimal offset.
5. Fast Transient Response: Designed to handle rapid load changes efficiently.
6. Over-Current Protection: Features built-in protection to prevent damage from over-current conditions.
7. Thermal Shutdown: Includes thermal protection to prevent device overheating.
8. Small Package: Available in a compact package, suitable for space-constrained applications.
9. Low Quiescent Current: Optimized for power-sensitive applications with minimal power consumption when inactive.
These features make the LP2998MAX/NOPB ideal for reliable operation in memory-intensive applications.
Pinout
The LP2998MAX/NOPB is a DDR termination regulator designed by Texas Instruments. It typically comes in an 8-pin WSON package. The pin functions are as follows:
1. IN - Input voltage pin where the supply voltage is connected.
2. OUT - Output voltage pin that provides the termination voltage.
3. REFEN - Reference and enable pin, which serves dual purposes: providing a reference voltage and enabling/disabling the device.
4. GND - Ground connection for the regulator.
5. VDDQ - Connects to the DDR memory voltage supply for sensing purposes.
6. VTT - Provides the termination voltage output for the DDR memory.
7. S3 - Sleep mode control pin, used to place the device in a low-power mode.
8. S5 - Another sleep mode control pin for deeper power-down states.
These pins enable the LP2998MAX/NOPB to provide a stable and efficient termination voltage for DDR memory interfaces, crucial for proper operation and signal integrity in high-speed memory systems.
1. IN - Input voltage pin where the supply voltage is connected.
2. OUT - Output voltage pin that provides the termination voltage.
3. REFEN - Reference and enable pin, which serves dual purposes: providing a reference voltage and enabling/disabling the device.
4. GND - Ground connection for the regulator.
5. VDDQ - Connects to the DDR memory voltage supply for sensing purposes.
6. VTT - Provides the termination voltage output for the DDR memory.
7. S3 - Sleep mode control pin, used to place the device in a low-power mode.
8. S5 - Another sleep mode control pin for deeper power-down states.
These pins enable the LP2998MAX/NOPB to provide a stable and efficient termination voltage for DDR memory interfaces, crucial for proper operation and signal integrity in high-speed memory systems.
Manufacturer
The LP2998MAX/NOPB is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a wide range of electronic components, including analog and embedded processing chips. TI is known for its innovation in the semiconductor industry, providing components for various applications such as industrial, automotive, personal electronics, communications equipment, and enterprise systems.
Application
The LP2998MAX/NOPB is a linear regulator primarily designed for DDR (Double Data Rate) memory termination applications. Its key application areas include providing termination voltage for DDR, DDR2, DDR3, and LPDDR memory systems. It ensures stability and efficient power delivery in these memory applications by offering a low-dropout voltage and low output voltage deviation. The device is also suitable for use in other applications requiring a stable, low-noise power supply, such as graphics cards, motherboards, and any other systems that require precise voltage regulation and power management for memory and other high-speed digital circuits.
Package
The LP2998MAX/NOPB is typically available in a VSSOP (Very Thin Shrink Small Outline Package) with 10 pins. This package type is compact, suitable for small and efficient PCB designs, and often used in applications requiring board space optimization.
