Overview
The TPS51200, produced by Texas Instruments, is a sink and source double data rate (DDR) termination regulator. This device is specifically designed for low input voltage, low-cost, and low-noise systems where space is a critical consideration. It maintains a fast transient response and requires a minimum output capacitance of only 20 μF. The TPS51200 supports all power requirements for DDR, DDR2, DDR3, DDR3L, Low-Power DDR3, and DDR4 VTT bus termination, making it a versatile component for various memory applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage Range (VLDOIN) | 1.1 to 3.5 | V |
| Output Current Capability | 3A | A |
| Minimum Output Capacitance | 20 | μF |
| Package Type | 10-pin VSON with thermal pad | - |
| Package Size | 3.00 mm × 3.00 mm | - |
| Operating Temperature Range | -40°C to +85°C | - |
| ESD Rating | HBM: 2000 V, CDM: 1000 V | - |
Key Features
- Sink and source termination regulator with droop compensation.
- Remote sensing (VOSNS) for accurate output voltage regulation.
- ±10-mA buffered reference (REFOUT) for flexible input tracking.
- Built-in soft start, undervoltage lockout (UVLO), and overcurrent limit (OCL).
- Thermal shutdown for protection.
- Open-drain PGOOD signal to monitor output regulation.
- EN input to discharge VTT during S3 (suspend to RAM) for DDR applications.
- High-performance, low-dropout (LDO) linear regulator capable of sourcing and sinking current.
Applications
- Memory termination regulator for DDR, DDR2, DDR3, DDR3L, Low-Power DDR3, and DDR4.
- Notebooks, desktops, and servers.
- Telecom and datacom equipment.
- Base stations.
- LCD-TVs and PDP-TVs.
- Copiers and printers.
- Set-top boxes.
Q & A
- What is the primary function of the TPS51200?
The TPS51200 is a sink and source double data rate (DDR) termination regulator designed for low input voltage, low-cost, and low-noise systems.
- What is the minimum output capacitance required for the TPS51200?
The minimum output capacitance required is 20 μF.
- Which DDR types does the TPS51200 support?
The TPS51200 supports DDR, DDR2, DDR3, DDR3L, Low-Power DDR3, and DDR4 VTT bus termination.
- What is the package type and size of the TPS51200?
The TPS51200 is available in a 10-pin VSON package with a thermal pad, measuring 3.00 mm × 3.00 mm.
- What is the operating temperature range of the TPS51200?
The operating temperature range is from -40°C to +85°C.
- Does the TPS51200 have built-in protection features?
Yes, it includes built-in soft start, undervoltage lockout (UVLO), overcurrent limit (OCL), and thermal shutdown.
- What is the purpose of the PGOOD signal in the TPS51200?
The PGOOD signal is an open-drain output used to monitor the output regulation of the device.
- Can the TPS51200 be used in various applications beyond memory termination?
Yes, it can be used in notebooks, desktops, servers, telecom and datacom equipment, base stations, LCD-TVs, PDP-TVs, copiers, printers, and set-top boxes.
- Is the TPS51200 environmentally friendly?
Yes, the TPS51200 is rated as Green and Pb-free.
- What is the remote sensing function in the TPS51200?
The remote sensing function (VOSNS) allows for accurate output voltage regulation by sensing the voltage at the load.
