LX1555集成电路(IC)PMIC-稳压器-DCDC开关式控制器规格书PDF中文资料
![LX1555](https://img.114ic.com/dgk/Renders/~~Pkg.Case%20or%20Series/14-SOIC.jpg)
厂商型号 |
LX1555 |
参数属性 | LX1555 封装/外壳为14-SOIC(0.154",3.90mm 宽);包装为卷带(TR);类别为集成电路(IC) > PMIC - 稳压器 - DC DC 开关式控制器;产品描述:IC REG CTRLR BUCK/BOOST 14SOIC |
功能描述 | 升压,降压 |
文件大小 |
378.88 Kbytes |
页面数量 |
18 页 |
生产厂商 | Microsemi Corporation |
企业简称 |
Microsemi【美高森美】 |
中文名称 | 美高森美公司官网 |
原厂标识 | ![]() |
数据手册 | |
更新时间 | 2024-6-25 18:17:00 |
LX1555规格书详情
DESCRIPTION
The LX155X family of ultra-low start-up current (250µA max.), current mode control ICs offer new levels of energy efficiency for offline converter applications. They are ideally optimized for personal computer and CRT power supplies although they can be used in any number of off-line applications where energy efficiency is critical. Coupled with the fact that the LX155X series requires a minimal set of external components, the series offers an excellent value for cost conscious consumer applications.
Optimizing energy efficiency, the LX155X series demonstrates a significant power reduction as compared with other similar off-line controllers. Table 1 compares the SG384X, UC384XA and the LX155X start-up resistor power dissipation. The LX155X offers an overall 4X reduction in power dissipation. Additionally, the precise oscillator discharge current gives the power supply designer considerable flexibility in optimizing system duty cycle consistency.
KEY FEATURES
■ ULTRA-LOW START-UP CURRENT (150µA typ.)
■ TRIMMED OSCILLATOR DISCHARGE CURRENT (±2 typ.)
■ INITIAL OSCILLATOR FREQUENCY BETTER THAN ±4
■ OUTPUT PULLDOWN DURING UVLO
■ PRECISION 2.5V REFERENCE (±2 max.)
□ CURRENT SENSE DELAY TO OUTPUT (150ns typ.)
□ AUTOMATIC FEED FORWARD COMPENSATION
□ PULSE-BY-PULSE CURRENT LIMITING
□ ENHANCED LOAD RESPONSE CHARACTERISTICS
□ UNDER-VOLTAGE LOCKOUT WITH HYSTERESIS
□ DOUBLE PULSE SUPPRESSION
□ HIGH CURRENT TOTEM POLE OUTPUT (±1Amp peak)
□ 500kHz OPERATION
APPLICATIONS
■ ECONOMY OFF-LINE FLYBACK OR FORWARD CONVERTERS
■ DC-DC BUCK OR BOOST CONVERTERS
■ LOW COST DC MOTOR CONTROL
LX1555属于集成电路(IC) > PMIC - 稳压器 - DC DC 开关式控制器。美高森美公司制造生产的LX1555DC-DC 开关控制器PMIC(电源管理集成电路)DC 到 DC 开关式控制器是用于高效率电路的稳压 IC,其配置为生成高于(突升或步升)或低于(突降或步降)输入电源的输出电源电压。其他拓扑结构可能包括:降压-升压、反激、正激、Cuk、SEPIC、全桥、半桥和推挽式。这些器件不同于需要最小电压并“烧尽”多余电压的线性稳压器。
产品属性
- 产品编号:
LX1555CD
- 制造商:
Microsemi 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:
晶体管驱动器
- 功能:
升压,降压
- 输出配置:
正
- 拓扑:
降压,升压
- 输出阶段:
1
- 电压 - 供电 (Vcc/Vdd):
7.6V ~ 30V
- 占空比(最大):
48%
- 同步整流器:
是
- 时钟同步:
无
- 控制特性:
频率控制
- 工作温度:
0°C ~ 70°C(TA)
- 安装类型:
表面贴装型
- 封装/外壳:
14-SOIC(0.154",3.90mm 宽)
- 供应商器件封装:
14-SOIC
- 描述:
IC REG CTRLR BUCK/BOOST 14SOIC
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MICROSEMI/美高森美 |
2022 |
SOIC-8 |
80000 |
原装现货,OEM渠道,欢迎咨询 |
询价 | ||
MSC |
22+ |
DIP-8 |
12245 |
现货,原厂原装假一罚十! |
询价 | ||
CMD |
23+ |
QFP |
3200 |
全新原装、诚信经营、公司现货销售! |
询价 | ||
MSC |
21+ |
DIP |
100000 |
原厂订货价格优势,可开13%的增值税票 |
询价 | ||
LMI |
2016+ |
SOP8 |
6523 |
只做进口原装现货!假一赔十! |
询价 | ||
Microsemi/美高森美 |
18+ |
SOIC-8 |
25303 |
全新原装现货,可出样品,可开增值税发票 |
询价 | ||
MicrosemiCorporation |
23+ |
8-CDIP |
66800 |
原装正品现货 |
询价 | ||
Microsemi |
21+ |
SOIC-8 |
4550 |
全新原装现货 |
询价 | ||
MSC |
2001 |
DIP |
4 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
询价 | ||
LINFINITY |
SOP-8 |
13000 |
原厂授权一级代理,专业海外优势订货,价格优势、品种 |
询价 |