降压型直流电源变换器芯片(常规型) XL2576
| 价 格： | 面议 | |
| 型号/规格： | XL2576-3.3/5.0/12/ADJ | |
| 品牌/商标： | XLSEMI |
| 降压型直流电源变换器芯片(常规型) | |||||
| 产品型号 | 输入电压 | 输出电流 | 开关频率 | 电压版本 | 封装类型 |
| XL1507 | 4.5V ~ 40V | 3A | 150KHz | Adj (1.23V)/3.3V/5V/12V | TO252-5L |
| XL1509 | 4.5V ~ 40V | 2A | 150KHz | Adj (1.23V)/3.3V/5V/12V | SOP8L |
| XL2596 | 4.5V ~ 40V | 3A | 150KHz | Adj (1.23V)/3.3V/5V/12V | TO263-5L/TO220-5L |
| XL2576 | 4.5V ~ 40V | 3A | 52KHz | Adj (1.23V)/3.3V/5V/12V | TO263-5L/TO220-5L |
| XL2576P | 4.5V ~ 40V | 2A | 52KHz | Adj (1.23V) | SOP8-EP |
Features
Wide 4.5V to 40V Input Voltage Range
3.3V,5V,12V and adjustable versions
Output Adjustable from 1.23V to 37V
Maximum Duty Cycle 100%
Minimum Drop Out 1.5V
Fixed 52KHz Switching Frequency
3A Constant Output Current Capability
Internal Optimize Power Transistor
High efficiency
Excellent line and load regulation
TTL shutdown capability
ON/OFF pin with hysteresis function
Built in thermal shutdown function
Built in current limit function
Available in TO-220,TO-263 packages
Applications
LCD Monitor and LCD TV
Digital Photo Frame
Set-up Box
ADSL Modem
Telecom / Networking Equipment
General Description
The XL2576 is a 52 KHz fixed frequency
PWM buck (step-down) DC/DC converter,
capable of driving a 3A load with high
efficiency, low ripple and excellent line and
load regulation. Requiring a minimum
number of external components, the regulator
is simple to use and include internal
frequency compensation and a
fixed-frequency oscillator.
The PWM control circuit is able to adjust the
duty ratio linearly from 0 to 100%. An enable
function, an over current protection function
is built inside. An internal compensation
block is built in to minimize external
component count.
Figure1. Package Type of XL2576
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降压型直流电源变换器芯片(常规型) XL2596
信息内容：降压型直流电源变换器芯片(常规型) 产品型号 输入电压 输出电流 开关频率 电压版本 封装类型 XL1507 4.5V ~ 40V 3A 150KHz Adj (1.23V)/3.3V/5V/12V TO252-5L XL1509 4.5V ~ 40V 2A 150KHz Adj (1.23V)/3.3V/5V/12V SOP8L XL2596 4.5V ~ 40V 3A 150KHz Adj (1.23V)/3.3V/5V/12V TO263-5L/TO220-5L XL2576 4.5V ~ 40V 3A 52KHz Adj (1.23V)/3.3V/5V/12V TO263-5L/TO220-5L XL2576P 4.5V ~ 40V 2A 52KHz Adj (1.23V) SOP8-EP Features Wide 4.5V to 40V Input Voltage Range 3.3V,5V,12V, and adjustable versions Output Adjustable from 1.23V to 37V Maximum Duty Cycle 100% Minimum Drop Out 1.5V Fixed 150KHz Switching Frequency 3A Constant Output Current Capability Internal Optimize Power Transistor High efficiency Excellent line and load regulation TTL shutdown capability ON/OFF pin with hysteresis function Built in thermal shutdown function...
降压型直流电源变换器芯片(常规型) XL1509
信息内容：降压型直流电源变换器芯片(常规型) 产品型号 输入电压 输出电流 开关频率 电压版本 封装类型 XL1507 4.5V ~ 40V 3A 150KHz Adj (1.23V)/3.3V/5V/12V TO252-5L XL1509 4.5V ~ 40V 2A 150KHz Adj (1.23V)/3.3V/5V/12V SOP8L XL2596 4.5V ~ 40V 3A 150KHz Adj (1.23V)/3.3V/5V/12V TO263-5L/TO220-5L XL2576 4.5V ~ 40V 3A 52KHz Adj (1.23V)/3.3V/5V/12V TO263-5L/TO220-5L XL2576P 4.5V ~ 40V 2A 52KHz Adj (1.23V) SOP8-EP Featuresn Wide 4.5V to 40V Input Voltage Rangen 3.3V,5V,12V, and adjustable versionsn Output Adjustable from 1.23V to 37Vn Maximum Duty Cycle 100%n Minimum Drop Out 1.5Vn Fixed 150KHz Switching Frequencyn 2A Constant Output Current Capabilityn Internal Optimize Power Transistorn High efficiencyn Excellent line and load regulationn TTL shutdown capabilityn ON/OFF pin with hysteresis functionn Built in thermal shutdown functionn Built in current limit functionn Built in second current limit functionn Available in SOIC8 packageApplicationsn LC...
