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ANALOG DEVICES LTC4040EUFD#PBF
Battery Power Management IC, LiFePO4/Li-Ion/Li-Pol, 4.1 V/2.5 A Charge, -40 to 125 Deg C, QFN-EP-24
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- LTC4040EUFD#PBF
- Order Code:
- 4027873
-
- Technical Datasheet:
- LTC4040EUFD#PBF Datasheet
- ECAD / MCAD
-
Product Overview
LTC®4040 is a complete 3.5V to 5.5V supply rail battery backup system. It contains a high current step-up DC/DC regulator to back up the supply from a single-cell Li-Ion or LiFePO4 battery. When external power is available, the step-up regulator operates in reverse as a step-down battery charger. This adjustable input current limit function reduces the charge current to protect the main supply from overload while an external disconnect switch isolates the external supply during backup. When the input supply drops below the adjustable PFI threshold, the 2.5A boost regulator delivers power from the battery to the system output. Application includes fleet and asset tracking, automotive GPS data loggers, automotive telematics systems, toll collection systems, security systems, USB powered devices.
- Step-up backup supply and step-down battery charger
- Input current limit prioritizes load over charge current
- Input disconnect switch isolates input during backup
- Input power loss indicator, system power loss indicator
- Constant frequency operation
- Input voltage range from 3.5 to 5.5V (TA = 25°C, VIN = 5V, VBAT = 3.6V)
- Typical low-battery hysteresis is 150mV (TA = 25°C, VIN = 5V)
- 24-lead plastic QFN package
- Temperature rating range from -40°C to 125°C
Product Information
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- :
- LiFePO4, Li-Ion, Li-Pol
- :
- 5.5V
- :
- 4.1V
- :
- 2.5A
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- QFN-EP
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- 24Pins
- :
- 1Cells
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- -40°C
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- 125°C
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- Surface Mount
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- -
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- MSL 1 - Unlimited
Technical Documents (1)
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Extra stock is available upon order to the Supplier Lead Time which is approximately 6/5/24
60 UK stock available for 4-6 business days delivery
Due to market conditions delivery times are for general guidance only and may be subject to change at short notice
Rs.696.54
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| 1+ | Rs.696.54 | |
| 10+ | Rs.629.21 | |
| 73+ | Rs.599.91 | |
| 146+ | Rs.520.90 | |
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