| Allicdata Part #: | LTC1148CS#PBF-ND |
| Manufacturer Part#: |
LTC1148CS#PBF |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Linear Technology/Analog Devices |
| Short Description: | IC REG CTRLR BUCK 14SOIC |
| More Detail: | Buck Regulator Positive Output Step-Down DC-DC Co... |
| DataSheet: |  LTC1148CS#PBF Datasheet/PDF |
| Quantity: | 321 |
Specifications
| Frequency - Switching: | Up to 250kHz |
| Base Part Number: | LTC1148 |
| Supplier Device Package: | 14-SOIC |
| Package / Case: | 14-SOIC (0.154", 3.90mm Width) |
| Operating Temperature: | 0°C ~ 70°C (TA) |
| Control Features: | Current Limit, Enable |
| Serial Interfaces: | -- |
| Clock Sync: | No |
| Synchronous Rectifier: | Yes |
| Duty Cycle (Max): | 100% |
| Series: | -- |
| Voltage - Supply (Vcc/Vdd): | 3.5 V ~ 20 V |
| Output Phases: | 1 |
| Number of Outputs: | 1 |
| Topology: | Buck |
| Output Configuration: | Positive |
| Function: | Step-Down |
| Output Type: | Transistor Driver |
| Part Status: | Active |
| Packaging: | Tube |
Description
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The LTC1148CS#PBF belongs to the family of PMIC - Voltage Regulators - DC DC Switching Controllers. It is a programmable precision digital charge controller capable of regulating charging current from 1mA to 10A with a voltage of 48V. The unit also includes circuit functions such as soft-start and charge current monitoring. The LTC1148CS#PBF works by sensing the input and output terminals of the system and continually comparing the two voltages to ensure that the system remains in a “negligibly 0” voltage state. It also contains protection from over-voltage, reverse voltage protection and current limiting.
The LTC1148CS#PBF has many applications. It can be used in Flash memory, Lithium-Ion/Polymer battery charging and as a precision current source in automotive and industrial applications. It is also used in lighting control, solar inverters, buck-boost power supplies and fan control applications. The unit features an adjustable threshold voltage, internal temperature sensor and protection against short-circuit and thermal conditions. This precision charge controller is a perfect choice for applications where reliable and accurate power supply is needed.
The LTC1148CS#PBF has a built-in switching regulator circuit which operates at high frequencies to achieve high efficiency. The device is capable of achieving a high power density which can be programmed for 1mA to 10A output current, providing a wide range of control options. The device also contains a PMOSFET switch element, an inductor and a current sensing element. It is also equipped with low-side MOSFET with integrated gate driver circuit.
The LTC1148CS#PBF also contains an external clock input and output, an internal hysteretic comparator to set the switch frequency, and over-voltage and reverse voltage protection circuit. The unit also contains an adjustable oscillator, soft-start and over-current limit circuit. This enables the device to achieve very efficient charging cycles, while also providing extra protection features.
Overall, the LTC1148CS#PBF is a very versatile unit, capable of a wide range of applications. With its high precision and high power density, it is a perfect choice for applications looking for reliable and accurate DC-DC switching controllers. Its temperature sensing and protection capabilities make it the perfect choice for applications that require robustness and reliability.
The specific data is subject to PDF, and the above content is for reference
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