LMR14203XMKE/NOPB
Conv DC-DC 4.5V to 42V Step Down Single-Out 0.765V to 34V 0.3A 6-Pin TSOT-23 T/RLMR14203XMKE/NOPB
Conv DC-DC 4.5V to 42V Step Down Single-Out 0.765V to 34V 0.3A 6-Pin TSOT-23 T/R
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製造商零件號 # : LMR14203XMKE/NOPB
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包裝/封裝: SOT23-6
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製造商: Texas Instruments
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產品分類 : Voltage Regulators - DC DC Switching Regulators
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LMR14203XMKE/NOPB 數據表
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目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
When it comes to protection features, the LMR14203XMKE/NOPB is designed with overcurrent, overtemperature, and input undervoltage lockout safeguards, making it robust and dependable in demanding operating conditions. What's more, this regulator is available in a tiny 8-pin WSON package, making it an ideal choice for space-constrained applications where board space is at a premium. Whether you're designing power supplies for industrial, automotive, or communication applications, the LMR14203XMKE/NOPB offers the efficiency, reliability, and compact size you need
![LMR14203XMKE/NOPB LMR14203XMKE/NOPB](/files/uploads/product/b/ca1823ef-dacc-4096-42dc-08dbc6589f20.webp)
主要特徵
- Durable construction
- High-stress resistance
- Elongated lifespan
- Low maintenance costs
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Vin (min) (V) | 4.5 | Vin (max) (V) | 42 |
Vout (min) (V) | 0.765 | Vout (max) (V) | 34 |
Iout (max) (A) | 0.3 | Iq (typ) (mA) | 1.3 |
Switching frequency (min) (kHz) | 950 | Switching frequency (max) (kHz) | 1500 |
Features | Enable, Over Current Protection | Operating temperature range (°C) | -40 to 125 |
Rating | Catalog | Regulated outputs (#) | 1 |
Control mode | current mode | Duty cycle (max) (%) | 87 |
Type | Converter |
Specification Comparison
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is LMR14203XMKE/NOPB?
The LMR14203XMKE/NOPB is a 3A, 400kHz, high-efficiency step-down DC-DC converter designed by Texas Instruments. It is ideal for applications requiring a compact, high-performance power supply, such as industrial automation, automotive systems, and portable electronics.
How Does LMR14203XMKE/NOPB Work?
The LMR14203XMKE/NOPB works by efficiently stepping down a higher input voltage to a lower output voltage. It utilizes a synchronous buck converter topology to minimize power loss and maximize efficiency. The converter features a wide input voltage range and a programmable soft-start function for flexible power supply designs.
How Many Pins does LMR14203XMKE/NOPB have and What are the Functions of the Pinout Configuration?
The LMR14203XMKE/NOPB is housed in a 20-pin HTSSOP (PowerPAD) package. The pinout configuration includes:
- VIN: Input voltage pin.
- SW: Switching node for the internal power switch.
- GND: Ground pin.
- RTC, EN, SS/TR, PG, and COMP: Control and feedback pins for power sequencing and regulation.
- VOUT: Output voltage pin.
- BOOT: Bootstrap capacitor pin for driving the high-side MOSFET.
- FREQ, MODE, and SS/TR: Pins for setting switching frequency, operation mode, and soft-start/tracking.
What are the Pros and Cons of LMR14203XMKE/NOPB?
Pros:
- High Efficiency: Provides high efficiency for extended battery life and reduced heat dissipation.
- Wide Input Voltage Range: Supports a wide input voltage range for versatile power supply designs.
- Programmable Soft-Start: Allows flexible control over start-up time and inrush current.
- Integrated Power MOSFETs: Features integrated power switches for simplified design and reduced component count.
- Compact Package: The HTSSOP package offers a space-efficient solution for compact designs.
Cons:
- Heat Dissipation: High power dissipation may require thermal considerations in some applications.
- External Components: May require additional external components such as inductors and capacitors for optimal performance in specific scenarios.
Are There Any Equivalents/Alternatives to LMR14203XMKE/NOPB for Recommendation?
- The TPS54332 from Texas Instruments is a similar high-efficiency step-down converter with adjustable soft-start and a comparable current rating.
- Alternatives to the LMR14203XMKE/NOPB include the LT8612 from Analog Devices and the MP2315 from Monolithic Power Systems.
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