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MAX1681ESA+
MAX1681ESA+ - Brand New Maxim Integrated DC Switching Regulators
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 MAX1680/MAX1681 inductorless switched-capacitor voltage converters either
invert an input voltage of +2.0V to +5.5V or double it while supplying up to
125mA output current. They have a selectable-frequency option that allows the
use of small capacitors: 4.7µF (MAX1680), 1µF (MAX1681). With their high
output current capability, these charge-pump devices are suitable replacements
for inductor-based regulators, which require more expensive external
components and additional board space.
The devices’ equivalent output resistance (typically 3.5Ω) allows them to
deliver as much as 125mA with only a 440mV drop. A shutdown feature reduces
quiescent current to less than 1µA. The MAX1680/MAX1681 are available in 8-pin
SO packages. For devices that deliver up to 50mA in smaller µMAX packages,
refer to the MAX860/MAX861 data sheet.
Features
♦ Selectable Switching Frequencies:
125kHz/250kHz (MAX1680)
500kHz/1MHz (MAX1681)
♦ Allow Use of Small Capacitors
(1µF for the MAX1681)
♦ 125mA Output Current
♦ 3.5Ω Output Impedance
♦ 1µA Logic-Controlled Shutdown
♦ Configurable as Voltage Inverters or Doublers
♦ +2.0V to +5.5V Input Voltage Range
♦ Available in 8-Pin SO Packages
♦ 90% Efficiency
Applications
Local Negative Supplies
Interface Power Supplies
Op-Amp Power Supplies
MOSFET Bias
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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