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ANALOG DEVICES LTC3873ETS8-5#TRMPBF
DC/DC Controller, Boost, 4 to 75V Supply, 1 Output, 78% Duty Cycle, 200kHz, TSOT-23-8
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- LTC3873ETS8-5#TRMPBF
- Order Code:
- 4033881
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- Technical Datasheet:
- LTC3873ETS8-5#TRMPBF Datasheet
- ECAD / MCAD
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Product Overview
LTC3873 is a constant frequency current mode, boost, flyback or SEPIC DC/DC controller that drives an N-channel power MOSFET in high input and output voltage converter applications. Soft-start can be programmed using an external capacitor. It provides ±1.5% output voltage accuracy and consumes only 300μA quiescent current during normal operation and only 55μA during micropower start-up. Using a 9.3V internal shunt regulator, this device can be powered from a high input voltage through a resistor or it can be powered directly from a low impedance DC voltage of 9V or less. It is widely used in applications such as telecom power supplies, 42V and 12V automotive power supplies, portable electronic equipment etc.
- VIN and VOUT limited only by external components
- Adjustable current limit, current sense resistor optional
- Current mode operation for excellent line and load transient response
- Shutdown current is 50μA typ at (VRUN/SS = 0V, TA = 25°C, VCC = 5V)
- Oscillator frequency is 200KHz typ at (TA = 25°C, VCC = 5V)
- Gate drive rise / fall time is ±40ns
- Peak current sense voltage is 110mV typ at (IPRG = GND, TA = 25°C, VCC = 5V)
- Maximum duty cycle is 78% typ at (TA = 25°C, VCC = 5V)
- Operating temperature range from -40°C to 85°C
- Package style is 8-lead plastic TSOT-23
Footnotes
ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party
Product Information
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- Current Mode Control
- :
- 4V
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- 75V
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- 1Outputs
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- 78%
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- TSOT-23
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- 8Pins
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- 200kHz
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- Boost, Flyback, SEPIC
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- -40°C
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- 85°C
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- -
- :
- -
- :
- MSL 1 - Unlimited
Technical Documents (1)
Packaging type
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312 deliver in 3-4 business days from our UK warehouse
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¥645.81
(
¥710.39
Inc. JCT)
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| 1+ | ¥645.81 (¥710.39) | ( ) |
| 10+ | ¥434.20 (¥477.62) | ( ) |
| 25+ | ¥395.02 (¥434.52) | ( ) |
| 100+ | ¥355.83 (¥391.41) | ( ) |
| 250+ | ¥338.58 (¥372.44) | ( ) |
| 500+ | ¥321.34 (¥353.47) | ( ) |
| 2500+ | ¥311.47 (¥342.62) | ( ) |
| 5000+ | ¥306.45 (¥337.10) | ( ) |
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