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MAX845ESA+T
MAX845ESA+T - Brand New Maxim Integrated Power Management Specialized - PMIC
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 MAX845 provides an isolated power supply small enough to fit in thin
PCMCIA cards and space-sensitive applications. It drives a low-profile center-
tapped transformer primary from a 5V or 3.3V DC power supply. The secondary
can be wound to provide any isolated positive or negative voltage at powers up
to 750mW.
The MAX845 consists of an oscillator followed by a toggle flip-flop. The flip-
flop generates two 50% duty-cycle square waves, which are complementary at
half the oscillator frequency (450kHz, min). These two signals drive the
ground-referenced N-channel power switch es. Internal circuitry ensures break-
before-make action between the two switches.
A low-power shutdown disables both the switches and the oscillator, reducing
power consumption. An evaluation kit (MAX845EVKIT-MM) is available to evaluate
low profile 5V 40mA and 5V 100mA applications.
Features
♦ Transformer Driver for Ultra-Thin 5V-µs Transformers
♦ Isolated DC-to-DC Power Supply for PCMCIA Applications
♦ 450kHz Minimum Switching Frequency
♦ Ultra-Low Input Supply Current Ripple
♦ Single +5V or +3.3V Supply
♦ 5µW Low-Power Shutdown Mode
♦ 8-Pin SO and µMAX Packages
♦ Low Output Ripple Permits Miniature Output Capacitors
Applications
PCMCIA Modem Cards
Isolated Data Acquisition
Isolated Interface Power Supply
Noise-Immunity Communications Interface
Bridging Ground Differences
Medical Equipment
Process Control
Low-Power LAN Networks
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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