| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
492 pcs
|
492 pcs | On Request | 1 | On Request | On Request | N/A | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Accuracy | |
| Clock Sync | |
| Control Features | |
| Duty Cycle (Max) | |
| Frequency | |
| Function | |
| Mounting Type | |
| Number of Outputs | |
| Operating Temperature | |
| Output Configuration | |
| Output Phases | |
| Output Type | |
| Supplier Device Package | |
| Synchronous Rectifier | |
| Topology | |
| Voltage |
The ADP1821ARQZ-R7 from Analog Devices is a synchronous, pulse-width-modulated (PWM), voltage-mode, step-down controller designed for efficient power regulation. It features a wide power input voltage range from 1V to 24V and a chip supply voltage range of 3.7V to 5.5V. The controller can regulate output voltages from 0.6V up to 85% of the input voltage, with a reference voltage accuracy of 1%.
This controller supports fixed-frequency operation at 300kHz or 600kHz, or synchronized operation up to 1.2MHz. It includes essential control features such as Enable, Frequency Control, Power Good, and Soft Start, along with protections for thermal overload and current-limit. The ADP1821ARQZ-R7 is designed to drive an all N-channel MOSFET power stage, making it suitable for cost-effective designs.
Packaged in a compact 16-lead QSOP, the ADP1821ARQZ-R7 is well-suited for applications in telecommunications, networking systems, set-top boxes, printers, servers, medical imaging systems, and microprocessor/DSP core power supplies. Its operating temperature range is -40°C to 85°C (ambient).
Key electrical specifications include a 1% accuracy for the 0.6V reference voltage and a maximum duty cycle of 90%. The device operates with a single output and a single output phase, utilizing a buck topology. It also features synchronous rectification and clock synchronization capabilities.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.75 | $0.75 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The input voltage range is 1V to 24V.
The minimum output voltage is 0.6V.
The reference voltage accuracy is 1%.
The switching frequency can be 300kHz or 600kHz fixed, or synchronized up to 1.2MHz.
The operating temperature range is -40°C to 85°C ambient.
It is supplied in a 16-lead QSOP package.