LT1242IS8中文资料PDF规格书
LT1242IS8规格书详情
DESCRIPTION
The LT®1241 series devices are 8-pin, fixed frequency, current mode, pulse width modulators. They are improved plug compatible versions of the industry standard UC1842 series. These devices have both improved speed and lower quiescent current. The LT1241 series is optimized for off-line and DC/DC converter applications. They contain a temperature-compensated reference, high gain error amplifier, current sensing comparator and a high current totem pole output stage ideally suited to driving power MOSFETs. Start-up current has been reduced to less than 250µA.
FEATURES
■ Low Start-Up Current: < 250µA
■ 50ns Current Sense Delay
■ Current Mode Operation: To 500kHz
■ Pin Compatible with UC1842 Series
■ Undervoltage Lockout with Hysteresis
■ No Cross-Conduction Current
■ Trimmed Bandgap Reference
■ 1A Totem Pole Output
■ Trimmed Oscillator Frequency and Sink Current
■ Active Pull-Down on Reference and Output During Undervoltage Lockout
■ High Level Output Clamp: 18V
■ Current Sense Leading Edge Blanking
APPLICATIONS
■ Off-Line Converters
■ DC/DC Converters
产品属性
- 产品编号:
LT1242IS8#TRPBF
- 制造商:
Analog Devices Inc.
- 类别:
集成电路(IC) > AC DC 转换器,离线开关
- 包装:
卷带(TR)
- 输出隔离:
隔离
- 内部开关:
无
- 拓扑:
降压
- 电压 - 供电 (Vcc/Vdd):
10V ~ 25V
- 占空比:
96%
- 频率 - 开关:
最高 500kHz
- 控制特性:
频率控制
- 工作温度:
-40°C ~ 100°C(TJ)
- 封装/外壳:
8-SOIC(0.154",3.90mm 宽)
- 供应商器件封装:
8-SO
- 安装类型:
表面贴装型
- 描述:
IC OFFLINE SWITCH BUCK 8SOIC
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
LINEAR |
2016+ |
SOP8 |
8868 |
只做原装,假一罚十,公司可开17%增值税发票! |
询价 | ||
LINEAR/凌特 |
22+ |
SOP-8 |
100000 |
代理渠道/只做原装/可含税 |
询价 | ||
LINEAR |
23+ |
SOP8 |
20000 |
原厂原装正品现货 |
询价 | ||
LINEAR/凌特 |
18+ |
SOIC-8 |
15200 |
全新原装现货,可出样品,可开增值税发票 |
询价 | ||
LINEAR |
SOP8 |
22+ |
10593 |
专营厂家量大可定货 |
询价 | ||
LINEAR/凌特 |
2022 |
SOP-8 |
80000 |
原装现货,OEM渠道,欢迎咨询 |
询价 | ||
Linear |
2015+ |
DIP/SMD |
19889 |
一级代理原装现货,特价热卖! |
询价 | ||
LINEAR |
23+ |
SOP8 |
12300 |
全新原装真实库存含13点增值税票! |
询价 | ||
LINEAR/凌特 |
22+ |
SOP-8 |
51866 |
原装现货假一赔十 |
询价 | ||
LINEAR/凌特 |
22+/23+ |
SOP |
9800 |
原装进口公司现货假一赔百 |
询价 |