
Allicdata Part #: | LT1506CR-3.3SYNC#TRPBF-ND |
Manufacturer Part#: |
LT1506CR-3.3SYNC#TRPBF |
Price: | $ 3.61 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | IC REG BUCK 3.3V 4.5A D2PAK |
More Detail: | Buck Switching Regulator IC Positive Fixed 3.3V 1 ... |
DataSheet: | ![]() |
Quantity: | 1000 |
750 +: | $ 3.27729 |
Voltage - Output (Min/Fixed): | 3.3V |
Base Part Number: | LT1506 |
Supplier Device Package: | D2PAK-7 |
Package / Case: | TO-263-8, D²Pak (7 Leads + Tab), TO-263CA |
Mounting Type: | Surface Mount |
Operating Temperature: | 0°C ~ 125°C (TJ) |
Synchronous Rectifier: | No |
Frequency - Switching: | 500kHz |
Current - Output: | 4.5A |
Voltage - Output (Max): | -- |
Series: | -- |
Voltage - Input (Max): | 15V |
Voltage - Input (Min): | 4V |
Number of Outputs: | 1 |
Output Type: | Fixed |
Topology: | Buck |
Output Configuration: | Positive |
Function: | Step-Down |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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LT1506CR-3.3SYNC#TRPBF is a high performance, low noise and high efficiency synchronous DC-DC regulator with a wide input voltage range. It supports direct voltage conversion from an input voltage range of 3V to 15V to an output voltage of 3.3V. It is a DC-DC buck (step down) synchronous converter that contains a P-Channel MOSFET and an internal voltage regulator to regulate the output voltage. It also includes many other features such as protection against overload and under-voltage on the output side, thermal protection and simple synchronous circuit needed to operate in the standard buck topology.
The LT1506CR-3.3SYNC#TRPBF is typically used in applications where the input power source is from a 3V to 15V battery or power supply. It typically provides an output voltage of 3.3V with up to 3A of load current. This device is also capable of operating in a wide range of load conditions due to its high efficiency and low noise D-CAP2™ mode operation.
Features:
- High performance, low noise, high efficiency synchronous DC-DC regulator
- Wide input voltage range from 3V to 15V
- Output voltage of 3.3V with up to 3A of load current
- Operates in a wide range of load conditions due to its high efficiency and low noise D-CAP2™ mode operation
- Protections against overload, short-circuit and under-voltage on the output side
- Thermal protection
- Simple synchronous circuit needed to operate in the standard buck topology
Applications:
- Computers and handheld devices
- Battery powered portable devices
- Industrial and embedded applications
- Medical and automotive systems
- Set-top boxes, telecom, and networking systems
- Cellular phones and network cards
- Digital still cameras and video equipment
Working Principle:
The LT1506CR-3.3SYNC#TRPBF works by regulating the input voltage from the power supply to a stable output voltage of 3.3V. When the input voltage of the power supply is higher than the required output voltage, the device starts by adjusting the duty cycle of the P-channel MOSFET, which switches quickly from high to low state, thereby adding incremental energy per unit time. The energy converted by each cycle of the MOSFET is regulated to the desired output voltage through the internal voltage regulator. A coarse error amplifier is used to reduce the output voltage ripple, and a fine error amplifier ensures that the output voltage stays stabilized within a given range. The theoretical efficiency of the converter ranges from 87% to 95%, and the frequency of the switching can be adjusted between 20kHz and 100kHz.
The LT1506CR-3.3SYNC#TRPBF also includes a number of protection features such as an over-voltage, overload and thermal protection. This adds an additional layer of protection to the overall system. In addition to these features, the device has very low noise and high efficiency, which makes it ideal for use in sensitive applications.
The LT1506CR-3.3SYNC#TRPBF is a high performance, low noise and high efficiency DC-DC converter with a wide input voltage range from 3V to 15V and an output voltage of 3.3V. It operates in a wide range of load conditions and is suitable for use in computers, handheld devices, medical and automotive systems, set-top boxes, cellular phones and digital still cameras.
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