TPS51216-EP - TPS51216-EP 完整 DDR2、DDR3 和 DDR3L 存储器电源解决方案同步降压

TPS51216-EP是TI德州仪器公司的一款无产品，TPS51216-EP是TPS51216-EP 完整 DDR2、DDR3 和 DDR3L 存储器电源解决方案同步降压，本站介绍了TPS51216-EP的封装应用图解、特点和优点、功能等，并给出了与TPS51216-EP相关的TI元器件型号供参考。

TPS51216-EP - TPS51216-EP 完整 DDR2、DDR3 和 DDR3L 存储器电源解决方案同步降压 - 无 - DDR存储器电源终端 - 德州仪器

产品特性

Synchronous Buck Controller (VDDQ)
- Conversion Voltage Range: 3 to 28 V
- Output Voltage Range: 0.7 to 1.8 V
- 0.8% VREF Accuracy
- D-CAP™ Mode for Fast Transient Response
- Selectable 300-kHz/400-kHz Switching Frequencies
- Optimized Efficiency at Light and Heavy Loads With Auto-Skip Function
- Supports Soft-Off in S4/S5 States
- OCL/OVP/UVP/UVLO Protections
- Powergood Output
2-A LDO (VTT), Buffered Reference (VTTREF)
- 2-A (Peak) Sink and Source Current
- Requires Only 10-μF of Ceramic Output Capacitance
- Buffered, Low Noise, 10-mA VTTREF Output
- 0.8% VTTREF, 20-mV VTT Accuracy
- Support High-Z in S3 and Soft-Off in S4/S5
Thermal Shutdown
20-Pin, 3 mm × 3 mm, WQFN Package
Supports Defense, Aerospace, and Medical Applications
- Controlled Baseline
- One Assembly/Test Site
- One Fabrication Site
- Available in Military (–55°C to 125°C) Temperature Range (1)
- Extended Product Life Cycle
- Extended Product-Change Notification
- Product Traceability

(1) Additional temperature ranges available - contact factory

产品应用

DDR2/DDR3/DDR3L Memory Power Supplies
SSTL_18, SSTL_15, SSTL_135, and HSTL Termination

产品说明

The TPS51216-EP provides a complete power supply for DDR2, DDR3 and DDR3L memory systems in the lowest total cost and minimum space. It integrates a synchronous buck regulator controller (VDDQ) with a 2-A sink/source tracking LDO (VTT) and buffered low noise reference (VTTREF). The TPS51216-EP employs D-CAP™ mode coupled with 300 kHz/400 kHz frequencies for ease-of-use and fast transient response. The VTTREF tracks VDDQ/2 within excellent 0.8% accuracy. The VTT, which provides 2-A sink/source peak current capabilities, requires only 10-μF of ceramic capacitance. In addition, a dedicated LDO supply input is available.

The TPS51216-EP provides rich useful functions as well as excellent power supply performance. It supports flexible power state control, placing VTT at high-Z in S3 and discharging VDDQ, VTT, and VTTREF (soft-off) in S4/S5 state.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS51216-EP	WQFN (20)	3.00 mm × 3.00 mm

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