Datasheet Details
| Part number | LTC3442 |
|---|---|
| Manufacturer | Linear Technology (now Analog Devices) |
| File Size | 559.35 KB |
| Description | Micropower Synchronous Buck-Boost DC/DC Converter |
| Datasheet |
 LTC3442 Datasheet
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| Part number | LTC3442 |
|---|---|
| Manufacturer | Linear Technology (now Analog Devices) |
| File Size | 559.35 KB |
| Description | Micropower Synchronous Buck-Boost DC/DC Converter |
| Datasheet |
LTC3442 Datasheet
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n Regulated Output with Input Voltages Above, Below, or Equal to the Output n Single Inductor, No Schottky Diodes Required n Manual or Programmable Automatic Burst Mode® Operation n Programmable Average Input Current Limit n Up to 1.2A Continuous Output Current from a Single Lithium-Ion Cell n High Efficiency: Up to 95% n Output Disconnect in Shutdown n 2.4V to 5.5V Input Range n 2.4V to 5.25V Output Range n 35µA Quiescent Current in Burst Mode Operation n Programmable Frequency from 300kHz to 2MHz n <1µA Shutdown Current n Small, Thermally Enhanced 12-Lead (4mm × 3mm) DFN Package APPLICATIONS n PDA/‘SMART’ Phones n Handheld Computers n MP3 Players n Handheld Instruments n Digital Cameras n Wireless Handsets n USB Peripherals The LTC®3442 is a highly efficient, fixed frequency, buckboost DC/DC converter, which operates from input voltages above, below, and equal to the output voltage.
The topology incorporated in the IC provides a continuous transfer function through all operating modes, making the product ideal for a single lithium-ion or multicell alkaline applications where the output voltage is within the battery voltage range.
The device includes two 0.10Ω N-channel MOSFET switches and two 0.10Ω P-channel switches.
LTC3442.
| Part Number | Description |
|---|---|
| LTC3440 | Buck-Boost DC/DC Converter |
| LTC3441 | High Current Micropower Synchronous Buck-Boost DC/DC Converter |
| LTC3443 | High Current Micropower 600kHz Synchronous Buck-Boost DC/DC Converter |
| LTC3444 | Micropower Synchronous Buck-Boost DC/DC Converter |
| LTC3445 | I2C Controllable Buck Regulator |
| LTC3446 | Monolithic Buck Regulator |
| LTC3447 | I2C Controllable Buck Regulator |
| LTC3448 | 1.5MHz/2.25MHz 600mA Synchronous Step-Down Regulator |
| LTC3400 | Micropower Synchronous Boost Converter |
| LTC3400B | Micropower Synchronous Boost Converter |