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Description
LTC®4249 dual electronic circuit breaker (ECB) with current monitors provides independent overcurrent protection to a pair of loads. Each channel has a precision enable input, current monitor output and ready status output. A single resistor configures the ECB threshold. If either channel detects an overcurrent condition, the corresponding breaker disconnects the input from the load. After a circuit breaker event, the open-drain RDY status output pulls low and the ECB latches off. Toggling the enable input turns the ECB back on after a 1 second cooloff period. Application includes 5G mMIMO PA array protection, industrial safety, condition monitoring, relay replacement, load switching.
- High voltage dual SPST, current sharing allowed, 5% accurate analogue current monitor outputs
- Filtered (50µs) primary OC threshold, fast (2µs) secondary OC threshold
- Automatic inrush control, short-circuit protection, precision enable inputs
- Open-drain, ready status outputs
- Operating range from 6 to 65V (TA=25°C. VIN1=VIN2=52V and RIMON=10kohm)
- Typical maximum steady state ECB current is 1.2A (TA=25°C, VIN1=VIN2=52V)
- Typical on-resistance is 75mohm (TA=25°C. VIN1=VIN2=52V)
- Typical ECB On-resistance is 75mohm (TA=25°C, VIN1=VIN2=52V)
- Inrush current limited operating time range from 8 to 12ms (TA=25°C)
- 16-lead LQFN package, temperature range from -40°C to 125°C
Product details
Other details
Brand | ANALOG DEVICES |
Part Number | LTC4249AV-1#PBF |
Quantity | Each |
Technical Data Sheet EN |
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Bulk Discount
Quantity | Price |
2 | ₹ 787.76 |
3-5 | ₹ 779.72 |
5-10 | ₹ 763.65 |
10+ | ₹ 747.57 |
Bulk discount will be automatically applied during checkout based on quantity.