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參數(shù)資料
| 型號： | LMX2575MX-5.0 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封裝： | SMT-24 |
| 文件頁數(shù)： | 20/30頁 |
| 文件大?。?/td> | 676K |
| 代理商： | LMX2575MX-5.0 |
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Features
Applications
and include internal frequency compensation and a fixed-frequency oscillator.
The LM2575 series offers a high-efficiency replacement for popular three-terminal linear
regulators. It substantially reduces the size of the heat sink, and in many cases no heat sink is
required.
A standard series of inductors optimized for use with the LM2575 are available from several
different manufacturers. This feature greatly simplifies the design of switch-mode power
supplies.
Other features include a guaranteed ±4% tolerance on output voltage within specified input
voltages and output load conditions, and ±10% on the oscillator frequency. External
shutdown is included, featuring 50 A (typical) standby current. The output switch includes
cycle-by-cycle current limiting, as well as thermal shutdown for full protection under fault
conditions.
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3.3V, 5V, 12V, 15V, and adjustable output versions
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Adjustable version output voltage range, 1.23V to 37V (57V for HV version) ±4%
max over line and load conditions
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Guaranteed 1A output current
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Wide input voltage range, 40V up to 60V for HV version
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Requires only 4 external components
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52 kHz fixed frequency internal oscillator
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TTL shutdown capability, low power standby mode
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High efficiency
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Uses readily available standard inductors
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Thermal shutdown and current limit protection
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P+ Product Enhancement tested
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Simple high-efficiency step-down (buck) regulator
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Efficient pre-regualtor for linear regulators
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On-card switching regulators
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Positive to negative converter (Buck-Boost)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LMX2581 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LMX2581 Wideband Frequency Synthesizer with Integrated VCO |
| LMX2581EVAL/NOPB | 功能描述:時鐘和定時器開發(fā)工具 LMX2581 EVAL MOD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Modules 類型:Clock Conditioners 工具用于評估:LMK04100B 頻率:122.8 MHz 工作電源電壓:3.3 V |
| LMX2581EVM | 功能描述:LMX2581 - Timing, Frequency Synthesizer Evaluation Board 制造商:texas instruments 系列:- 零件狀態(tài):有效 主要用途:計時，頻率合成器 嵌入式:- 使用的 IC/零件:LMX2581 主要屬性:帶 VCO 的單路分?jǐn)?shù)-N PLL 輔助屬性:- 所含物品:板 標(biāo)準(zhǔn)包裝:1 |
| LMX2581SQ | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LMX2581 Wideband Frequency Synthesizer with Integrated VCO |
| LMX2581SQ/NOPB | 制造商:Texas Instruments 功能描述:IC FREQ SYNTHESIZER VCO 32WQFN 制造商:Texas Instruments 功能描述:CLOCK GENERATION/OTHER IC |
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