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MAX7444ESA
MAX7444ESA - Brand New Maxim Integrated Active Filters
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 MAX730A/MAX738A/MAX744A are 5V-output CMOS, step-down switching
regulators. The MAX738A/MAX744A accept inputs from 6V to 16V and deliver
750mA. The MAX744A guarantees 500mA load capability for inputs above 6V and
has tighter oscillator frequency limits for low-noise (radio) applications.
The MAX730A accepts inputs between 5.2V and 11V and delivers 450mA for inputs
above 6V. Typical efficiencies are 85% to 96%. Quiescent supply current is
1.7mA and only 6µA in shutdown.
Pulse-width modulation (PWM) current-mode control provides precise output
regulation and excellent transient responses. Output voltage accuracy is
guaranteed to be ±5% over line, load, and temperature variations. Fixed-
frequency switching allows easy filtering of output ripple and noise, as well
as the use of small external components. These regulators require only a
single inductor value to work in most applications, so no inductor design is
necessary.
The MAX730A/MAX738A/MAX744A also feature cycle by-cycle current limiting,
overcurrent limiting, undervoltage lockout, and programmable soft-start
protection.
Features
♦ 750mA Load Currents (MAX738A/MAX744A)
♦ High-Frequency, Current-Mode PWM
♦ 159kHz to 212.5kHz Guaranteed Oscillator
Frequency Limits (MAX744A)
♦ 85% to 96% Efficiencies
♦ 1.7mA Quiescent Current
♦ 6µA Shutdown Supply Current
♦ Single Preselected Inductor Value,
No Component Design Required
♦ Overcurrent, Soft-Start, and Undervoltage
Lockout Protection
♦ Cycle-by-Cycle Current Limiting
♦ 8-Pin DIP/SO Packages (MAX730A)
Applications
Portable Instruments
Cellular Phones and Radios
Personal Communicators
Distributed Power Systems
Computer Peripherals
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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