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参数资料
| 型号： | XRP6124ES0.5-F |
| 厂商： | Exar Corporation |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM SOT23-5 |
| 标准包装： | 250 |
| PWM 型： | 控制器 |
| 输出数： | 1 |
| 频率 - 最大： | 833kHz |
| 占空比： | 92% |
| 电源电压： | 3 V ~ 18 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | SC-74A，SOT-753 |
| 包装： | 散装 |
| 其它名称： | 1016-1429 |
X R P 6 1 2 4
N o n - S y n c h r o n o u s P F E T S t e p - D o w n C o n t r o l l e r
January 2011
GENERAL DESCRIPTION
The XRP6124 is a non synchronous step down
(buck) controller for up to 5Amps point of
loads. A wide 3V to 30V input voltage range
allows for single supply operations from
industry standard 3.3V, 5V, 12V and 24V
power rails.
With a proprietary Constant On-Time (COT)
control scheme, the XRP6124 provides
extremely fast line and load transient response
while the operating frequency remains nearly
constant. It requires no loop compensation
hence simplifying circuit implementation and
reducing overall component count. The
XRP76124 also implements an emulated ESR
circuitry allowing usage of ceramic output
capacitors and insuring stable operations
without the use of extra external components.
Built-in soft start prevents high inrush currents
while under voltage lock-out and output short
protections insure safe operations under
abnormal operating conditions.
The XRP6124 is available in a RoHS compliant,
green/halogen free space-saving 5-pin SOT23
package.
Rev. 1.1.0
APPLICATIONS
? Point of Load Conversions
? Audio-Video Equipments
? Industrial and Medical Equipments
? Distributed Power Architecture
FEATURES
? 5A Point-of-Load Capable
? Down to 1.2V Output Voltage Conversion
? Wide Input Voltage Range
? 3V to 18V: XRP6124
? 4.5V to 30V: XRP6124HV
? Constant On-Time Operations
? Constant Frequency Operations
? No External Compensation
? Supports Ceramic Output Capacitors
? Built-in 2ms Soft Start
? Short Circuit Protection
? <1μA shutdown current
? RoHS Compliant, Green/Halogen Free
5-pin SOT23 Package
TYPICAL APPLICATION DIAGRAM
Figure 1: XRP6124 Application Diagram
Exar Corporation
48720 Kato Road, Fremont CA 94538, USA
www.exar.com
Tel. +1 510 668-7000 – Fax. +1 510 668-7001
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XRP6124ESTR0.5-F | 功能描述:DC/DC 开关控制器 PFET controllers w/ Cnstnt OnTime Cntrl RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| XRP6124EVB | 制造商:Exar Corporation 功能描述:XRP6124EVB 制造商:Exar Corporation 功能描述:EVAL BOARD, XRP6124, PFET STEP DOWN CTRLR, 18V; Silicon Manufacturer:Exar; Kit Application Type:Power Management; Application Sub Type:Buck Controller |
| XRP6124HVES0.5-F | 功能描述:DC/DC 开关控制器 PFET controllers w/ Cnstnt OnTime Cntrl RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| XRP6124HVESTR0.5-F | 功能描述:DC/DC 开关控制器 PFET controllers w/ Cnstnt OnTime Cntrl RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| XRP6124HVEVB | 制造商:Exar Corporation 功能描述:XRP6124HVEVB 制造商:Exar Corporation 功能描述:EVAL BOARD, XRP6124, PFET STEP DOWN CTRLR, 30V; Silicon Manufacturer:Exar; Kit Application Type:Power Management; Application Sub Type:Buck Controller |
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