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MAX1921EUT15-T
MAX1921EUT15-T - Brand New Maxim Integrated IC Chips
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
General Description
The MAX1920/MAX1921 step-down converters deliver over 400mA to outputs as low
as 1.25V. These converters use a unique proprietary current-limited control
scheme that achieves over 90% efficiency. These devices maintain extremely low
quiescent supply current (50µA), and their high 1.2MHz (max) operating
frequency permits small, low-cost external components. This combination makes
the MAX1920/MAX1921 excellent high efficiency alternatives to linear
regulators in space constrained applications.
Internal synchronous rectification greatly improves efficiency and eliminates
the external Schottky diode required in conventional step-down converters.
Both devices also include internal digital soft-start to limit input current
upon startup and reduce input capacitor requirements.
Features
♦ 400mA Guaranteed Output Current
♦ Internal Synchronous Rectifier for >90% Efficiency
♦ Tiny 6-Pin SOT23 Package
♦ Up to 1.2MHz Switching Frequency for Small
External Components
♦ 50µA Quiescent Supply Current
♦ 0.1µA Logic-Controlled Shutdown
♦ 2V to 5.5V Input Range
♦ Fixed 1.5V, 1.8V, 2.5V, 3V, and 3.3V Output
Voltages (MAX1921)
♦ Adjustable Output Voltage (MAX1920)
♦ ±1.5% Initial Accuracy
♦ Soft-Start Limits Startup Current
Applications
Next-Generation Wireless Handsets
PDAs, Palmtops, and Handy-Terminals
Battery-Powered Equipment
CDMA Power Amplifier Supply
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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