概览
描述
The ISL80121-5 is a low dropout voltage, single output LDO with programmable current limiting. The ISL80121-5 operates from input voltages of 5V to 6V with a nominal output voltage of 5V. Other custom voltage options are available upon request. A submicron BiCMOS process is utilized for this product family to deliver the best in class analog performance and overall value. The programmable current limiting improves system reliability of end applications. An external capacitor on the soft-start pin provides an adjustable soft-starting ramp. The ENABLE feature allows the part to be placed into a low quiescent current shutdown mode. This BiCMOS LDO will consume significantly lower quiescent current as a function of load compared to bipolar LDOs, which translates into higher efficiency and packages with smaller footprints. Quiescent current is modestly compromised to achieve a very fast load transient response.
特性
- ±1.8% VOUT accuracy guaranteed over line, load and TJ = -40°C to +125°C
- Very low 130mV dropout voltage
- High accuracy current limit programmable up to 1.75A
- Very fast transient response
- 210µVRMS output noise
- Power-good output
- Programmable soft-start
- Over-temperature protection
- Small 10 Ld DFN package
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| 数据手册 | PDF 727 KB 日本語 | |
| 产品变更通告 | PDF 326 KB | |
| 产品咨询 | PDF 363 KB | |
| 产品变更通告 | PDF 164 KB | |
| 应用说明 | PDF 509 KB | |
| 应用说明 | PDF 397 KB | |
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设计和开发
开发板与套件
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1A Ultra-Low Dropout Linear Regulator with Programmable Current Limiting Evaluation Board
The ISL80121-5EVAL2Z evaluation board is used to evaluate the ISL80121-5 low dropout linear regulator.
The ISL80121-5 is a low dropout voltage, single output LDO with programmable current limiting. The ISL80121-5 operates from input voltages of 5V to 6V with a nominal output voltage of 5V....
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