
L5986TR Integrated Circuits (ICs) |
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Allicdata Part #: | 497-8503-2-ND |
Manufacturer Part#: |
L5986TR |
Price: | $ 0.81 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | STMicroelectronics |
Short Description: | IC REG BUCK ADJ 2.5A 8VFQFPN |
More Detail: | Buck Switching Regulator IC Positive Adjustable 0.... |
DataSheet: | ![]() |
Quantity: | 4000 |
1 +: | $ 0.81000 |
10 +: | $ 0.78570 |
100 +: | $ 0.76950 |
1000 +: | $ 0.75330 |
10000 +: | $ 0.72900 |
Voltage - Output (Min/Fixed): | 0.6V |
Base Part Number: | L5986 |
Supplier Device Package: | 8-VFQFPN (3x3) |
Package / Case: | 8-VFDFN Exposed Pad |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 150°C (TJ) |
Synchronous Rectifier: | No |
Frequency - Switching: | 250kHz ~ 1MHz |
Current - Output: | 2.5A |
Voltage - Output (Max): | 18V |
Series: | -- |
Voltage - Input (Max): | 18V |
Voltage - Input (Min): | 2.9V |
Number of Outputs: | 1 |
Output Type: | Adjustable |
Topology: | Buck |
Output Configuration: | Positive |
Function: | Step-Down |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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The L5986TR is a Switch Mode Step Up (Boost) Switching Regulator, a type of DC-DC converter designed to convert a low-voltage input to a higher-voltage output. As a switching regulator, it differs from a linear regulator, as it is more efficient and can handle higher load currents. This regulator integrates both current sense and thermal foldback features, allowing for high output current stability and system protection from over-temperature conditions, respectively. The L5986TR is designed for portable, battery-powered applications and is suited for automotive, home and industrial use.
Application Fields
The L5986TR is primarily targeted for use in portable, low-power applications. It is suitable for use in automotive, home and industrial applications where an input voltage of 3V to 6V is needed to be converted to a 5V output voltage. This regulator is ideal for driving high-power loads while avoiding the need for bulky transformers and external components.
Working Principle
The L5986TR is a non-synchronous switching regulator, comprising of a power PMOS switch, an inductor, and a Schottky diode. The device operates in a cyclical fashion - when the output voltage drops below a certain value, the power switch is turned on, at which point the current flowing through the inductor increases. Once the output voltage has risen sufficiently, the switch is shut off, allowing the current in the inductor to fall and generating the output voltage.
The device contains an internal voltage reference and a maximum duty cycle limit block, both of which monitor and control the output voltage. The current sense feature is adjustable and compares the sensed current in an external resistor with a fixed trimmed current, allowing for a stable output voltage even in case of large load changes. The thermal foldback feature protects the device from severe over-temperature conditions by gradually decreasing the output current until the temperature returns to a normal level.
The L5986TR is a robust and efficient solution for boosting low input voltages to higher output voltages. It provides excellent stability and excellent output current capability, making it an ideal choice for applications where a small, low-power supply is desired.
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Part Number | Manufacturer | Price | Quantity | Description |
---|
L5986TR | STMicroelect... | -- | 4000 | IC REG BUCK ADJ 2.5A 8VFQ... |
L5983 | STMicroelect... | 0.0 $ | 1000 | IC REG BUCK ADJ 1.5A 8VFQ... |
L5987A | STMicroelect... | -- | 1000 | IC REG BUCK ADJ 3A 8SOICB... |
L5988D | STMicroelect... | -- | 1000 | IC REG BUCK ADJ 4A SYNC 1... |
L5987 | STMicroelect... | -- | 1000 | IC REG BUCK ADJ 3A 8VFQFP... |
L5987TR | STMicroelect... | -- | 1000 | IC REG BUCK ADJ 3A 8VFQFP... |
L5985 | STMicroelect... | -- | 1000 | IC REG BUCK ADJ 2A 8VFQFP... |
L5986A | STMicroelect... | -- | 1000 | IC REG BUCK ADJ 2.5A 8SOI... |
L5987ATR | STMicroelect... | 0.81 $ | 2500 | IC REG BUCK ADJ 3A 8HSOPB... |
L5988DTR | STMicroelect... | 0.92 $ | 1000 | IC REG BUCK ADJ 4A SYNC 1... |
L5980 | STMicroelect... | -- | 1000 | IC REG BUCK ADJ 0.7A 8VFQ... |
L5986 | STMicroelect... | 0.0 $ | 1000 | IC REG BUCK ADJ 2.5A 8VFQ... |
L5989D | STMicroelect... | 1.36 $ | 1000 | IC REG BUCK ADJ 4A SYNC 1... |
L5980TR | STMicroelect... | -- | 1000 | IC REG BUCK ADJ 0.7A 8VFQ... |
L5983TR | STMicroelect... | -- | 1000 | IC REG BUCK ADJ 1.5A 8VFQ... |
L5989DTR | STMicroelect... | 1.23 $ | 1000 | IC REG BUCK ADJ 4A SYNC 1... |
L5985TR | STMicroelect... | -- | 1000 | IC REG BUCK ADJ 2A 8VFQFP... |
L5981TR | STMicroelect... | -- | 4000 | IC REG BUCK ADJ 1A 8VFQFP... |
L5986ATR | STMicroelect... | 0.81 $ | 1000 | IC REG BUCK ADJ 2.5A 8HSO... |
L5981 | STMicroelect... | -- | 1000 | IC REG BUCK ADJ 1A 8VFQFP... |
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