MAX1821EUB+ by Analog Devices
WCDMA Cellular Phone 600mA Buck Regulators
| Status: | Active |
|---|---|
| Series: | MAX1821, MAX1821X |
| RoHS: | Unknown |
Features
| Dynamically Adjustable Output from 0.4V to 3.4V (MAX1820) |
| Programmable Output from 1.25V to 5.5V (MAX1821) |
| SYNC to 13MHz External Clock (MAX1820X) |
| SYNC to 19.8MHz External Clock (MAX1820Y) |
| NO SYNC, Internal 1MHz Oscillator (MAX1820Z) |
| Low Quiescent Current 180µA (typ) in Skip Mode 0.1µA (typ) in Shutdown Mode |
| 180µA (typ) in Skip Mode |
| 0.1µA (typ) in Shutdown Mode |
| No External Schottky Diode Required |
| 600mA Guaranteed Output Current |
| 0% to 100% Duty-Cycle Operation |
| 150mV Dropout at 600mA Load (Including RDC of External Inductor) |
| µMAX or UCSP Packaging |
Specifications
| VIN (V) (min) | 2.6 |
|---|---|
| VIN (V) (max) | 5.5 |
| VOUT1 (V) (min) | 1.25 |
| VOUT1 (V) (max) | 5.5 |
| IOUT1 (A) (max) | 0.6 |
| Switch Type | Internal |
| Output Adjust. Method | Resistor |
| Synchronous Switching? | Yes |
| # DC-DC Outputs | 1 |
| Switching Frequency (kHz) | 1000 |
| Package/Pins | UMAX/10 |
| BudgetaryPrice (See Notes) | 2.05 |
MAX1821EUB+ Semiconductors - ICs by Analog Devices
DC/DC CTRL BUCK 1MHZ UMAX-10
| Status: | Unknown |
|---|---|
| Series: | - |
| RoHS: | Unknown |
Specifications
| Supply Voltage Min | 2.6V |
|---|---|
| Supply Voltage Max | 5.5V |
| No. of Outputs | 1 Output, 1Outputs |
| Duty Cycle (%) | 100% |
| Controller IC Case Style | µMAX |
| No. of Pins | 10Pins |
| Switching Frequency | 1MHz |
| Topology | Buck (Step Down) |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
| Product Range | - |
| Automotive Qualification Standard | - |
| RoHS Phthalates Compliant | To Be Advised |
| MSL | MSL 1 - Unlimited |
| SVHC | No SVHC (15-Jan-2018) |
Alternative Descriptions
| WCDMA Cellular Phone 600mA Buc | Analog Devices |
| DC/DC CTRL, BUCK, 1MHZ, UMAX-10 | Farnell |
| Dc/Dc Ctrl, Buck, 1Mhz, Umax-10 | Newark Electronics |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a MAX1821EUB+ ?
Additional datasheets, footprints and schematics for MAX1821EUB+ are listed on our Part Details page. You can also find images and similar parts to MAX1821EUB+ on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for MAX1821EUB+ on our Product Comparison page. Access via the 'View Pricing & Stock' button to view MAX1821EUB+ price breaks, MOQs, lead times, inventory and SKUs from distributors.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the MAX1821EUB+ you can contact the distributor directly for product support, shipping queries etc.
Is the MAX1821EUB+ RoHS compliant?
This part has not been flagged as RoHS Compliant.
Which authorised distributors for MAX1821EUB+ have stock available?
Authorised distributors including CoreStaff, Analog Devices, element14, Farnell and Newark Electronics have stock available or on a lead time for MAX1821EUB+ .
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for MAX1821EUB+ often in real-time on the comparison pages.
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