LTC1522IS - Brand New Analog Devices / Linear Technology DC Switching Regulators
In Stock:168 ,Ready for Immediate Shipping
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In Stock:
168,
Ready for Immediate Shipping
Category:DC Switching Regulators
Chipdatas Part No.:CD94-LTC1522IS
Manufacturer Part No.:LTC1522IS
Datecode:09+
Package:SOP-8
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Description
The LTC®1522 is a micropower charge pump DC/DC converter that produces a regulated 5V output from a 2.7V to 5V input supply. It is ideally suited for small, light load battery-powered applications. The LTC1522 has an extremely low supply current of 6µA typical with no load, and less than 1µA in shutdown. It requires only one 0.22µF flying capacitor and two 10µF capacitors at VIN and VOUT. The typical efficiency with a load current between 50µA and 20mA exceeds 75% when the input voltage (VIN) is 3V. By modulating the SHDN pin, the efficiency remains above 75% even with load currents as low as 10µA.
Specifications and features
- Ultralow Power: Typical Operating ICC = 6µA
- Short-Circuit/Thermal Protected
- Regulated 5V ±4% Output Voltage
- 2.7V to 5V Input Range
- No Inductors
- Very Low ICC in Shutdown: <1µA
- Output Current: 10mA (VIN ≥ 2.7V), 20mA (VIN ≥ 3V)
- Shutdown Disconnects Load from VIN
- Internal Oscillator: 700kHz
- Compact Application Circuit (<0.1 in2)
- 8-Pin MSOP and SO Packages
Application Scenarios
- SIM Interface Supplies for GSM Cellular Telephones
- Li-Ion Battery Backup Supplies
- Local 3V to 5V Conversion
- Smart Card Readers
- PCMCIA Local 5V Supplies
Comparison
Advantages- Efficient power conversion with an input voltage range of 2.7V to 5V
- Low supply current of only 6µA typical with no load
- Compact application circuit design
Disadvantages- Output current limited to 10mA (VIN ≥ 2.7V) or 20mA (VIN ≥ 3V)
- Requires external capacitors for operation
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Similar parts: 7322 , Click to view
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Datasheet
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Shopping guide
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Additional Information
- Datasheet: Download LTC1522IS
- Chipdatas Part: CD94-LTC1522IS
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 20:42 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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