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3.5-V TO 36-V, 1.5-A STEP-DOWN V
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FabricanteTexas Instruments
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Peça do Fabricante #LM63615DQDRRRQ1
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Pacote WFDFN-12
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Em Estoque6456
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3.5V |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 1V |
| Voltage - Output (Max) | 20V |
| Current - Output | 1.5A |
| Frequency - Switching | 250kHz ~ 2.2MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount, Wettable Flank |
Visão Geral
Description
Key features of the LM63615DQDRRRQ1 include its compact design, low electromagnetic interference (EMI), and high switching frequency options, which allow for smaller external components. The device also features overcurrent protection, thermal shutdown, and undervoltage lockout to enhance system reliability and safety. Additionally, it supports an adjustable output voltage, enabling flexibility in various design implementations.
The LM63615DQDRRRQ1 is typically used in applications such as infotainment systems, advanced driver-assistance systems (ADAS), and general power management in automotive electronics. Its AEC-Q100 qualification ensures it meets stringent automotive industry standards for quality and reliability.
Equivalent
1. LT8609 from Analog Devices
2. MP2459 from Monolithic Power Systems
3. TPS54302 from Texas Instruments (similar internal product)
When selecting an equivalent, ensure that the specifications (e.g., input/output voltage, current rating, efficiency) match your application requirements.
Features
1. Wide Input Voltage Range: Supports 3.5V to 36V, making it suitable for a variety of automotive applications.
2. Output Current: Capable of delivering up to 1.5A continuous output current.
3. Efficiency: High efficiency up to 90% over a wide load range, which minimizes power loss and heat generation.
4. Switching Frequency: Adjustable between 200 kHz and 2.2 MHz, allowing for flexibility in design and component selection.
5. Low Quiescent Current: Features low standby current, enhancing battery life in automotive systems.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and overvoltage protection ensuring robust operation in harsh environments.
7. Package: Comes in a small, thermally-enhanced VSON (8-pin) package for space-constrained applications.
8. Automotive Qualified: AEC-Q100 qualified for automotive applications, ensuring reliability and performance under stringent conditions.
These features make the LM63615DQDRRRQ1 ideal for automotive power management systems, offering efficient power conversion with robust protection mechanisms.
Pinout
1. VIN: Input voltage pin where the input supply is connected.
2. SW: Switch pin connected to the inductor.
3. GND: Ground pin for reference and power ground.
4. FB: Feedback pin used to set the output voltage via an external resistor divider.
5. EN: Enable pin to turn the regulator on or off.
6. BIAS: Bias pin for powering internal circuitry, often connected to the output.
7. BOOT: Bootstrap pin for the high-side gate driver.
8. SS/TR: Soft-start/tracking pin for controlling the startup time.
9. PG: Power good pin that indicates whether the output voltage is within the specified range.
10. RT/SYNC: Pin for setting the switching frequency or synchronizing to an external clock.
Please refer to the datasheet for detailed specifications and additional features.