Allicdata Part #: | LTC3646HDE#PBF-ND |
Manufacturer Part#: |
LTC3646HDE#PBF |
Price: | $ 5.12 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | IC REG BUCK ADJ 1A SYNC 14DFN |
More Detail: | Buck Switching Regulator IC Positive Adjustable 2V... |
DataSheet: | LTC3646HDE#PBF Datasheet/PDF |
Quantity: | 27 |
1 +: | $ 4.64940 |
25 +: | $ 3.11018 |
100 +: | $ 2.64751 |
Specifications
Voltage - Output (Min/Fixed): | 2V |
Base Part Number: | LTC3646 |
Supplier Device Package: | 14-DFN (4x3) |
Package / Case: | 14-WFDFN Exposed Pad |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 150°C (TJ) |
Synchronous Rectifier: | Yes |
Frequency - Switching: | 200kHz ~ 3MHz |
Current - Output: | 1A |
Voltage - Output (Max): | 30V |
Series: | -- |
Voltage - Input (Max): | 40V |
Voltage - Input (Min): | 4V |
Number of Outputs: | 1 |
Output Type: | Adjustable |
Topology: | Buck |
Output Configuration: | Positive |
Function: | Step-Down |
Part Status: | Active |
Packaging: | Tube |
Description
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LTC3646HDE#PBF is a tiny, high-efficiency, wide Vin synchronous buck DC/DC converter featuring quiescent currents as low as 30μA. This device integrates an array of features to minimize board space, minimize external components and minimize design effort. It includes an integrated high-side PFET and low-side NFET, as well as a linear voltage regulator for additional output adjustable voltages with a quiescent current of only 500μA. The LTC3646HDE#PBF can be used in applications such as:1. Point-of-Load Regulation:The LTC3646HDE#PBF is ideal for creating flexible, high-power point-of-load regulation systems. With its wide input voltage range, up to 99% efficiency, and ultralow quiescent current, the LTC3646HDE#PBF allows for both high-current and low-power loads to be regulated with maximum efficiency.2. Battery-Powered Applications:The low quiescent current of the LTC3646HDE#PBF makes it ideal for applications powered by a battery. With its up to 99% efficiency and its integrated PFET, this device can maximize battery life while operating in extremely low-power states.3. DC/DC Conversion:The LTC3646HDE#PBF can also be used in DC/DC conversion applications, such as converting higher-voltage sources to lower-voltage outputs. This device is especially well-suited for such applications because of its wide input voltage range, its adjustable output, and its built-in protections such as overvoltage protection.Working PrincipleThe LTC3646HDE#PBF works by using a synchronous buck topology to efficiently convert an input voltage to a lower output voltage. The device utilizes an onboard PFET and NFET to convert the input voltage to a lower output voltage. The device also features a linear regulator, which enables adjustable output voltages. The linear regulator facilitates very low quiescent current consumption. The LTC3646HDE#PBF also includes various protections to ensure that the device is safe to use in most applications. These protections include overvoltage protection, overcurrent protection, thermal shutdown, and reverse current protection. In summary, the LTC3646HDE#PBF is a tiny, high-efficiency, wide Vin synchronous buck DC/DC converter that has a wide input voltage range, up to 99% efficiency, and minimal quiescent current. It is an ideal solution for applications ranging from point-of-load regulation to battery-powered applications to DC/DC conversion. Additionally, the LTC3646HDE#PBF has various protections to ensure its safe use.The specific data is subject to PDF, and the above content is for reference
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