Datasheet for ADP1822-EVALZ:
- Manufacturer Part Number : ADP1822-EVALZ
- Manufacturer : AD
- Description : PWM, Step-Down DC-to-DC Controller with Margining and Tracking IC
- Series : ADP1822
- Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : Switching Regulators
- Function : Step-Down (Buck) Regulators
- Current Suggest : Production
- Status : Last Time Buy
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : Evaluation Board
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : ADP1822-EVALZ
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- Wide power input voltage range: 1 V to 24 V
- Chip supply voltage range: 3.7 V to 5.5 V
- Wide output voltage range: 0.6 V to 85% of input voltage
- 1% accuracy, 0.6 V reference voltage
- Output voltage margining control
- Output voltage tracking
- All N-channel MOSFET
- 300 kHz, 600 kHz, or up to 1.2 MHz synchronized frequency
- No current sense resistor required
- Power-good output
- Programmable soft start with reverse current protection
- Current-limit protection
The ADP1822 regulated output can track another power supply and can be dynamically adjusted up or down with the controller’s margining-control inputs, making it ideal for high reliability applications. It is well suited for a wide range of high power applications, such as DSP power and processor core power in telecommunications, medical imaging, high performance servers, and industrial applications. It operates from a 3.7 V to 5.5 V supply with power input voltage ranging from 1.0 V to 24 V.
The ADP1822 can operate at any frequency between 300 kHz and 1.2 MHz, either by synchronizing with an external source or an internally generated, logic-controlled clock of 300 kHz or 600 kHz. It includes an adjustable soft start to allow sequencing and quick power-up while preventing input inrush current. Output reverse-current protection at startup prevents excessive output voltage excursions. The adjustable, virtually lossless current-limit scheme reduces external part count and improves efficiency.
The ADP1822 operates over the −40°C to +125°C junction temperature range and is available in a 24-lead QSOP package.
Applications
- Telecommunications and networking systems
- High performance servers
- Medical imaging systems
- DSP core power supplies
- Microprocessor core power supplies
- Mobile communication base stations
- Distributed power
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
