CXSD62241是一系列易于使用的固定和可调降压（buck）开关式稳压器。这些设备有固定的5伏输出电压和可调的输出版本。这两个版本都能够驱动一个3A负载与优良的线路和负载调节。这些调节器需要最少数量的外部元件，使用简单，包括内部频率补偿和固定频率振荡器。
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产品概述 返回TOP
The CXSD62241 is a series of easy to use fixed and adjustable step-down (buck) switch-mode voltage regulators. These devices are available in fixed output voltage of 5V, and an adjustable output version. Both versions are capable of driving a 3A load with excellent line and load regulation. Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation, and a fixed-frequency oscillator. The output voltage is guaranteed to ±3% tolerance under specified input voltage and output load conditions. The oscillator frequency is guaranteed to ±15%. External shutdown is included, featuring typically 80 μA standby current. Self protection features include a two stage frequency reducing current limit for the output switch and an over temperature shutdown for complete protection under fault conditions. The CXSD62241 is available in TO252-5L packages.
产品特点 返回TOP
* 3.3V, 5V and adjustable output versions
* Output adjustable from 1.23v to 43V
* Fixed 150KHz frequency internal oscillator
* Guaranteed 3A output load current
* Input voltage range up to 45V
* Low power standby mode, IQ typically 80 μA
* TTL shutdown capability
* Excellent line and load regulation
* Requires only 4 external components
* High efficiency
* Thermal shutdown and current limit protection
* Available in TO-252 packages
应用范围 返回TOP
* Simple High-efficiency step-down regulator
* On-card switching regulators
* Positive to negative converter
* LCD monitor and LCD TV
* DVD recorder and PDP TV
* Battery charger
* Step-down to 3.3V for microprocessors
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产品封装图 返回TOP
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| PWM Buck Converter(Non-synchronous) | ||||||||||
| Part No. | Input Voltage | Output Voltage | Current MAX | Frequency | Efficiency | Package | Precision | OCP | OTP | SP |
| CXSD62239 | 20V | ADJ | 2A | 380KHZ | 95% | SOP8 | 3% | Y | Y | Y |
| CXSD62240 | 45V | 3.3V/5V/ADJ | 3A | 150KHZ | 90% | TO220/263 | 3% | Y | Y | Y |
| CXSD62240H | 56V | 5V/ADJ | 3A | 150KHZ | 90% | TO220/263 | 3% | Y | Y | Y |
| CXSD62241 | 45V | ADJ | 3A | 150KHZ | 90% | TO252 | 3% | Y | Y | Y |
| CXSD62242 | 45V | ADJ | 2A | 150KHZ | 90% | SOP8 | 3% | Y | Y | Y |
| CXSD62243 | 20V | ADJ | 2A | 380KHZ | 95% | SOP8 | 3% | Y | Y | Y |
| CXSD62244 | 28V | ADJ | 3A | 380KHZ | 95% | SOP8 | 3% | Y | Y | Y |
| CXSD62245 | 32V | ADJ | 2A | 380KHZ | 95% | SOP8 | 3% | Y | Y | Y |
| CXSD62246 | 40V | ADJ | 1.8A | 150KHZ | 90% | SOP8 | 3% | Y | Y | Y |
| CXSD62247 | 45V | 3.3V/5V/ADJ | 3A | 52KHZ | 75% | TO220/263 | 3% | Y | Y | Y |
| CXSD62248 | 32V | ADJ | 2.5A | 52KHZ | 95% | SOP8 | 3% | Y | Y | Y |
| CXSD62249 | 32V | ADJ | 2.2A | 52KHZ | 95% | SOP8 | 3% | Y | Y | Y |
| CXSD62250 | 32V | ADJ | 2.2A | 380KHZ | 95% | SOP8 | 3% | Y | Y | Y |
| CXSD62251 | 23V | ADJ | 5A | 240KHZ | 95% | TO263 | 3% | Y | Y | Y |
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