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SC2446AITSTRT中文资料
SC2446AITSTRT数据手册规格书PDF详情
Description
The SC2446A is a high-frequency dual synchronous stepdown switching power supply controller. It provides outof-phase output gate signals. The SC2446A operates in synchronous continuous-conduction mode. Both phases are capable of maintaining regulation with sourcing or sinking load currents, making the SC2446A suitable for generating both VDDQ and the tracking VTT for DDR applications.
Features
◆ 2-Phase synchronous continuous conduction mode for high efficiency step-down converters
◆ Out of phase operation for low input current ripples
◆ Output source and sink currents
◆ Fixed frequency peak current-mode control
◆ 50mV/-75mV maximum current sense voltage
◆ Inductive current-sensing for low-cost applications
◆ Optional resistor current-sensing for precise current-limit
◆ Dual outputs or 2-phase single output operation
◆ Excellent current sharing between individual phases
◆ Wide input voltage range: 4.7V to 16V
◆ Individual soft-start, overload shutdown and enable
◆ Duty cycle up to 88
◆ 0.5V feedback voltage for low-voltage outputs
◆ External reference input for DDR applications
◆ Programmable frequency up to 1MHz per phase
◆ External synchronization
◆ Industrial temperature range
◆ 28-lead TSSOP lead free package. This product is fully WEEE and RoHS compliant
Applications
◆ Telecommunication power supplies
◆ DDR memory power supplies
◆ Graphic power supplies
◆ Servers and base stations
SC2446AITSTRT产品属性
- 类型
描述
- 型号
SC2446AITSTRT
- 制造商
SEMTECH
- 制造商全称
Semtech Corporation
- 功能描述
Dual-Phase, Single or Dual Output Synchronous Step-Down Controller
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
SEMTECH |
25+ |
TSSOP28 |
32360 |
SEMTECH全新特价SC2446AITSTRT即刻询购立享优惠#长期有货 |
|||
Semtech Corporation |
22+ |
28-TSSOP |
2100 |
||||
SEMTECH |
1724+ |
TSSOP-28 |
5800 |
只做原装进口,假一罚十 |
|||
SEMTECH |
23+ |
TSSOP28 |
8650 |
受权代理!全新原装现货特价热卖! |
|||
SEMTECH |
11+ |
TSSOP28 |
5000 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
|||
SEMTECH |
24+ |
NA/ |
8250 |
原厂直销,现货供应,账期支持! |
|||
SEMTECH |
23+ |
TSSOP28 |
5000 |
全新原装正品现货,支持订货 |
|||
SEMTECH |
24+ |
con |
10000 |
查现货到京北通宇商城 |
|||
SEMTECH |
24+ |
TSSOP28 |
60000 |
||||
SEMTECH |
25+ |
SSOP-28 |
2500 |
就找我吧!--邀您体验愉快问购元件! |
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