UC3845AN中文资料PDF规格书
厂商型号 |
UC3845AN |
参数属性 | UC3845AN 封装/外壳为8-DIP(0.300",7.62mm);包装为卷带(TR)剪切带(CT)Digi-Reel® 得捷定制卷带;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 MULT TOPOLOGY 8DIP |
功能描述 | HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER |
文件大小 |
129.229 Kbytes |
页面数量 |
15 页 |
生产厂商 | STMicroelectronics |
企业简称 |
STMICROELECTRONICS【意法半导体】 |
中文名称 | 意法半导体(ST)集团官网 |
原厂标识 | |
数据手册 | |
更新时间 | 2024-6-18 13:10:00 |
UC3845AN规格书详情
DESCRIPTION
The UC384xA family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequencycurrent mode control schemes with a minimal external parts count. Internally implemented circuits includea trimmed oscillator for precise DUTY CYCLE CONTROL under voltage lock out featuring start-up current less than0.5mA,a precision reference trimmed for accuracy at the error amp input,logic to in sure latched operation,a PWM comparator which also provides current limit control, and a totem pole output stage designed to source or sink high peakcurrent.The output stage,suitable
for driving N-Channel MOSFETs, is low in the off state.
. TRIMMED OSCILLATOR DISCHARGE CURRENT
. CURRENT MODE OPERATION TO 500kHz
. AUTOMATIC FEED FORWARD COMPENSATION
. LATCHING PWM FOR CYCLE-BY-CYCLECURRENT LIMITING
. INTERNALLY TRIMMED REFERENCE WITH UNDERVOLTAGE LOCKOUT
. HIGH CURRENT TOTEM POLE OUTPUT
. UNDERVOLTAGE LOCKOUT WITH HYSTERESIS
. LOW START-UP CURRENT (< 0.5mA)
. DOUBLE PULSE SUPPRESSION
产品属性
- 产品编号:
UC3845AN
- 制造商:
Texas Instruments
- 类别:
集成电路(IC) > PMIC - 稳压器 - DC DC 开关式控制器
- 包装:
卷带(TR)剪切带(CT)Digi-Reel® 得捷定制卷带
- 输出类型:
晶体管驱动器
- 功能:
升压,降压,升压/降压
- 输出配置:
正,可提供隔离
- 拓扑:
升压,降压,反激,正激
- 输出阶段:
1
- 电压 - 供电 (Vcc/Vdd):
7.6V ~ 30V
- 频率 - 开关:
最高 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 ~ 70°C(TA)
- 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 MULT TOPOLOGY 8DIP
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
TI/德州仪器 |
24+ |
DIP8 |
7671 |
原装正品.优势专营 |
询价 | ||
ST |
23+ |
DIP8 |
40 |
原装房间现货假一赔十 |
询价 | ||
ON |
21+ |
DIP-8 |
50000 |
全新原装正品现货,支持订货 |
询价 | ||
TI/德州仪器 |
19+ |
PDIP-8 |
300 |
向鸿专营TI ADI,代理渠道可订货 |
询价 | ||
UC |
23+ |
DIP |
58000 |
全新原厂原装正品现货,可提供技术支持、样品免费! |
询价 | ||
ON |
23+ |
DIP-8 |
7800 |
全新原装正品,现货销售 |
询价 | ||
ON |
23+ |
ZIP64 |
20000 |
原厂原装正品现货 |
询价 | ||
TI/德州仪器 |
23+ |
DIP8 |
3718 |
只供应原装正品 欢迎询价 |
询价 | ||
TI/德州仪器 |
2019+ |
PDIP-8 |
30000 |
询价 | |||
TI/德州仪器 |
DIP8 |
23+ |
10304 |
专营厂家量大可定货 |
询价 |