LTC1153 Auto-Reset Electronic Circuit Breaker
The LTC1153 electronic circuit breaker drives a low cost N-channel MOSFET to interrupt power to a sensitive electronic load in the event of an over-current condition. The breaker remains tripped for a period of time set by an external timing capacitor and then is automatically reset. This cycle continues until the over-current condition is removed, protecting both the sensitive load and the MOSFET switch. The trip current, trip delay time and auto-reset period are programmable over a wide range to accommodate a variety of load impedances. An active high shut down input is also provided and interfaces directly to a PTC thermistor for thermal circuit breaking. An open-drain output is provided to report breaker status to the µP. TheLTC1153 is available in both 8-pin DIP and 8-pin SOIC packages
产品特点 Features
- Programmable Trip Delay: 15µs to >100ms
- Programmable Trip Current: 1mA to >20A
- Programmbale Auto-Reset Time: 1ms to >10 sec.
- 4.5V to 18V Supply Range
- Drives Low RDS(ON) N-Channel MOSFETs
- Status Output Indicates Fault Condition
- Thermal Trip with PTC Thermistor
- 8µA IQ in Standby Mode
- No External Charge Pump Capacitors
- Available in 8-Pin SOIC
参数
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应用
- Power Bus Circuit Breaker
- SCSI Termination Power Protection
- Regulator Over-Current Protection
- Battery Short-Circuit Protection
- DC Motor Stall Protection
- Sensitive System Power Interrupt
典型应用图
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LTC1153 订购信息和价格参考Package Variations and Pricing
| 器件型号 |
封装 |
引脚 |
温度 |
价格 (以 1 ~ 99 片为批量) |
价格 (以 1000 片为批量) * |
| LTC1153CN8 |
PDIP |
8 |
C |
$2.50 |
$2.05 |
| LTC1153CN8#PBF |
PDIP |
8 |
C |
$2.50 |
$2.05 |
| LTC1153CS8 |
SO |
8 |
C |
$2.65 |
$2.15 |
| LTC1153CS8#PBF |
SO |
8 |
C |
$2.65 |
$2.15 |
| LTC1153CS8#TR |
SO |
8 |
C |
|
$2.21 |
| LTC1153CS8#TRPBF |
SO |
8 |
C |
|
$2.21 |
| LTC1153IN8 |
PDIP |
8 |
I |
$2.95 |
$2.35 |
| LTC1153IN8#PBF |
PDIP |
8 |
I |
$2.95 |
$2.35 |
| LTC1153IS8 |
SO |
8 |
I |
$3.20 |
$2.55 |
| LTC1153IS8#PBF |
SO |
8 |
I |
$3.20 |
$2.55 |
| LTC1153IS8#TR |
SO |
8 |
I |
|
$2.61 |
| LTC1153IS8#TRPBF |
SO |
8 |
I |
|
$2.61 |
LTC1153 数据手册及相关资料下载
- 数据手册(英文) : LTC1153 - Auto-Reset Electronic Circuit Breaker.PDF
- 应用指南 (英文) : AN53 - Micropower High Side MOSFET Drivers.PDF
- 应用指南 (英文) : AN66 - linear Technology Magazine Circuit Collection, Volume II.PDF
- 设计要点 (英文) : DN154 - Short-Circuit Protection for Boost Regulators.PDF
- 可靠性数据 : R294 Reliability Data .PDF
- 产品选型卡 : High Voltage Surge Stoppers.PDF
