LT1241中文资料PDF规格书
LT1241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:
LT1241CN8#PBF
- 制造商:
Analog Devices Inc.
- 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:
降压
- 输出配置:
正,可提供隔离
- 拓扑:
降压
- 输出阶段:
1
- 电压 - 供电 (Vcc/Vdd):
8.2V ~ 25V
- 频率 - 开关:
500kHz
- 占空比(最大):
48%
- 同步整流器:
无
- 时钟同步:
无
- 控制特性:
频率控制
- 工作温度:
0°C ~ 100°C(TJ)
- 安装类型:
通孔
- 封装/外壳:
8-DIP(0.300",7.62mm)
- 供应商器件封装:
8-PDIP
- 描述:
IC REG CTRLR BUCK 8DIP
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
LT |
23+ |
SOP-8 |
7512 |
绝对全新原装!现货!特价!请放心订购! |
询价 | ||
LINER |
23+ |
NA |
25060 |
只做进口原装,终端工厂免费送样 |
询价 | ||
LINEAR |
2023+ |
DIP |
80000 |
一级代理/分销渠道价格优势 十年芯程一路只做原装正品 |
询价 | ||
LINEAR/凌特 |
22+ |
SOP-8 |
100000 |
代理渠道/只做原装/可含税 |
询价 | ||
LINEAR(凌特) |
23+ |
NA/ |
8735 |
原厂直销,现货供应,账期支持! |
询价 | ||
LT |
23+ |
DIP8 |
20000 |
原厂原装正品现货 |
询价 | ||
LT? |
2020+ |
SOP8? |
16800 |
绝对原装进口现货,假一赔十,价格优势! |
询价 | ||
LINEAR/凌特 |
22+ |
SOP-8 |
9845 |
只做原装正品现货!或订货假一赔十! |
询价 | ||
LT |
23+ |
SOP-8 |
4500 |
全新原装、诚信经营、公司现货销售! |
询价 | ||
LINEAR/凌特 |
2024+实力库存 |
DIP |
5900 |
只做原厂渠道 可追溯货源 |
询价 |