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NE57810
Datasheet
General description
The NE57810 DDR termination regulator maintains an output voltage (DDR reference bus voltage) that is half the RAM supply voltage. It is capable of providing up to +- 3.5 A for sustained periods. Overcurrent limiting protects the NE57810 from inrush currents at start-up. Overtemperature shutdown protects the device in extreme temperature situations.
The package is thermally robust for flexibility of thermal design. The NE57810 is a linear regulator so no external inductors or switching FETs are necessary. Fast response to load changes reduces the need for output capacitors.
Features
- Fast transient response time
- Overtemperature protection
- Overcurrent protection
- Commercial (0 Cel to +70 Cel) temperature range
- Reduced need for external components (switching FETs, inductors, decoupling capacitors)
- Internal divider maintains termination voltage at half the memory supply voltage
- Reference out for other memory and control components
- Optional external voltage reference in for flexible application
- Compatible with DDR-I (VDD = 2.5 V) or DDR-II (VDD = 1.8 V) SDRAM systems
Products/packages
| Type number | Orderable part number | Ordering code (12NC) | Product status | Package | Packing | Marking | Chemical content | Leadfree conversion date |
|---|---|---|---|---|---|---|---|---|
| NE57810S/N1 | NE57810S/N1,518 | 9352 847 47518 | Volume production | SOT756 | Reel Dry Pack, SMD, 13" | Standard Marking | NE57810S/N1
| Always Pb-free |
Pricing/ordering/availability
| Type number | Ordering code(12NC) | Orderable part number | Indicative price/unit($) | Region | Distributor | In stock | Order quantity | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|---|---|
| NE57810S/N1 | 9352 847 47518 | NE57810S/N1,518 | NA | DIGI-KEY CORPORATION | 2,000 | 7/2/2009 | Buy online | not available |
Applications
- Desktop microcomputer systems
- Workstations
- Servers
- Game machines
- Set top boxes
- Embedded systems
- Digital video recorders
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