SC2446中文资料Dual-Phase Single or Two-Output Synchronous Step-Down Controller 数据手册Semtech规格书

厂商型号 |
SC2446 |
参数属性 | SC2446 封装/外壳为28-TSSOP(0.173",4.40mm 宽);包装为卷带(TR);类别为集成电路(IC)的PMIC-稳压器-DCDC开关式控制器;产品描述:IC REG CTRLR BUCK 28TSSOP |
功能描述 | Dual-Phase Single or Two-Output Synchronous Step-Down Controller |
封装外壳 | 28-TSSOP(0.173",4.40mm 宽) |
制造商 | Semtech SEMTECH ELECTRONICS LTD. |
中文名称 | 先之科 先之科半导体科技(东莞)有限公司 |
数据手册 | |
更新时间 | 2025-9-27 16:11:00 |
人工找货 | SC2446价格和库存,欢迎联系客服免费人工找货 |
SC2446规格书详情
特性 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
·75 mV/-110 mV maximum current-sense voltage
·Synthesized MOSFET RDS(ON) 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: 4.7 V to 16 V
·Individual soft-start, overload shutdown and enable
·Duty cycle up to 88%
·0.5 V feedback voltage for low-voltage outputs
·External reference input for DDR applications
·Buffered VDDQ/2 output
·Programmable frequency up to 1 MHz per phase
·External synchronization
·Industrial temperature range
·28-lead TSSOP-EDP package
应用 Application
·Telecommunication power supplies
·DDR memory power supplies
·Graphic power supplies
·Servers and base stations
技术参数
- 产品编号:
SC2446AITSTRT
- 制造商:
Semtech Corporation
- 类别:
集成电路(IC) > PMIC - 稳压器 - DC DC 开关式控制器
- 包装:
卷带(TR)
- 输出类型:
PWM 信号
- 功能:
降压
- 输出配置:
正
- 拓扑:
降压
- 输出阶段:
2
- 电压 - 供电 (Vcc/Vdd):
4.7V ~ 16V
- 频率 - 开关:
500kHz
- 占空比(最大):
0.88
- 同步整流器:
无
- 时钟同步:
是
- 控制特性:
使能,频率控制,软启动
- 工作温度:
-40°C ~ 125°C(TJ)
- 安装类型:
表面贴装型
- 封装/外壳:
28-TSSOP(0.173",4.40mm 宽)
- 供应商器件封装:
28-TSSOP
- 描述:
IC REG CTRLR BUCK 28TSSOP
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
SEMTECH/美国升特 |
2403+ |
TSSOP |
11809 |
原装现货!欢迎随时咨询! |
询价 | ||
SEMTECH/美国升特 |
25+ |
TSSOP-28 |
860000 |
明嘉莱只做原装正品现货 |
询价 | ||
Semtech Corporation |
22+ |
28TSSOPEP |
9000 |
原厂渠道,现货配单 |
询价 | ||
Semtech |
24+ |
7500 |
询价 | ||||
Semtech Corporation |
24+ |
28-TSSOP-EDP |
56300 |
一级代理/放心采购 |
询价 | ||
SEMTECH |
1650+ |
TSSOP-28-EDP |
5800 |
只做原装进口,假一罚十 |
询价 | ||
SEM |
2447 |
SOIC |
100500 |
一级代理专营品牌!原装正品,优势现货,长期排单到货 |
询价 | ||
Semtech Corporation |
22+ |
28-SOIC |
9000 |
原厂渠道,现货配单 |
询价 | ||
SemtechCorporation |
24+ |
28-TSSOP |
66800 |
原厂授权一级代理,专注汽车、医疗、工业、新能源! |
询价 | ||
SEMTECH |
20+ |
TSSOP |
2960 |
诚信交易大量库存现货 |
询价 |