LT3020为100mAï¼ä½çµåï¼é常ä½å差线æ§ç¨³åå¨
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- VINRange: 0.9V to 10V VINèå´ï¼0.9Vè³10V
- Minimum Input Voltage: 0.9V æå°è¾å
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- Dropout Voltage: 150mV Typical ä½åå·®ï¼150mVçå
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- Output Current: 100mA è¾åºçµæµï¼100mA
- Adjustable Output (VREF= VOUT(MIN) 200mV) å¯è°è¾åºï¼VREF= Vè¾åºï¼MINï¼ä¸º200mVï¼
- Fixed Output Voltages: 1.2V, 1.5V, 1.8V åºå®è¾åºçµåï¼1.2Vï¼1.5Vï¼1.8V
- Stable with Low ESR, Ceramic Output Capacitors (2.2µF Minimum)稳å®çä½ESRé¶ç·è¾åºçµå®¹å¨ï¼2.2μFæå°ï¼
- 0.2% Load Regulation from 0mA to 100mA0.2ï¼
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- Quiescent Current: 120µA (Typ)éæçµæµï¼120μAï¼å
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- 3µA Typical Quiescent Current in Shutdown3μAå
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- Current Limit Protectionçµæµéå¶ä¿æ¤
- Reverse-Battery Protectionçµæ± ååä¿æ¤
- No Reverse Currentæ ååçµæµ
- Thermal Limiting with Hysteresiså
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- 8-Lead DFN (3mm × 3mm) and MSOP Packages8å¼èDFNï¼3mm×3mmçï¼åMSOPå°è£
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The LT®3020 is a very low dropout voltage (VLDO™) linear regulator that operates from input supplies down to 0.9V.LT®3020æ¯ä¸ä¸ªé常ä½çåéï¼VLDO稳å娙ï¼çº¿æ§ç¨³åå¨ä¾åºä¸éè³0.9Vè¾å
¥æä½ã This device supplies 100mA of output current with a typical dropout voltage of 150mV.æ¤è£
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¸ååå·®çµåè¾åºçµæµç¾æ¯«å®ã The LT3020 is ideal for low input voltage to low output voltage applications, providing comparable electrical efficiency to that of a switching regulator.LT3020çä½è¾å
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The LT3020 regulator optimizes stability and transient response with low ESR, ceramic output capacitors as small as 2.2µF.LT3020稳åå¨ç¨ä¼åç¨³å®æ§åç¬æååºï¼ä½ESRï¼å°å2.2μFé¶ç·è¾åºçµå®¹å¨ã Other LT3020 features include 0% line regulation and 0.2% typical load regulation.LT3020çå
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¸åè´è½½è°èã In shutdown, quiescent current typically drops to 3µA.å¨å
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Internal protection circuitry includes reverse-battery protection, current limiting, thermal limiting with hysteresis, and reverse-current protection.å
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·è¿æ»ççéå¶åååçµæµä¿æ¤ã The LT3020 is available as an adjustable output device with an output range down to the 200mV reference.LT3020çæ¯ä¸éå°200mVçåèè¾åºèå´å¯è°è¾åºè®¾å¤ã Three fixed output voltages, 1.2V, 1.5V and 1.8V, are also available.ä¸ï¼1.2Vï¼1.5Vå1.8Våºå®è¾åºçµåä¹å¯æä¾ã
The LT3020 regulator is available in the low profile (0.75mm) 8-lead (3mm × 3mm) DFN package with exposed pad and the 8-lead MSOP package.LT3020稳åå¨ç¨ä½æå¹³ï¼0.75mmï¼8å¼çº¿ï¼3mm×3mmçï¼DFNå°è£
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