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ANALOG DEVICES LTC3778EF#PBF
DC/DC Controller, Synchronous Buck, 4 to 36V Supply, 1 Output, TSSOP-20
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- LTC3778EF#PBF
- Order Code:
- 4026420
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- Technical Datasheet:
- LTC3778EF#PBF Datasheet
- ECAD / MCAD
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Product Overview
LTC3778 is a synchronous step-down switching regulator controller for computer memory, automobile and other DC/DC power supplies. The controller uses a valley current control architecture to deliver very low duty cycles without requiring a sense resistor. Operating frequency is selected by an external resistor and is compensated for variations in VIN and VOUT. A forced continuous control pin reduces noise and RF interference, and can assist secondary winding regulation when the main output is lightly loaded. SENSE+ and SENSE– pins provide true Kelvin sensing across the optional sense resistor or the synchronous MOSFET. Fault protection is provided by internal foldback current limiting, an output overvoltage comparator, optional short-circuit shutdown timer and input undervoltage lockout. It is used in application such as notebook and palmtop computers, PDAs, battery chargers, distributed power systems, DDR memory power supply, automobile DC power supply etc.
- Wide VIN range is 4V to 36V
- True current mode control, power good output voltage monitor
- Stable with ceramic COUT, adjustable switching frequency
- Dual N-channel MOSFET synchronous drive
- Output overvoltage protection, optional short-circuit shutdown timer
- Shutdown current is 30µA typical at (TA = 25°C, VIN = 15V)
- Minimum on-time is 50ns typical at (ION = 180µA, VON = 0V, TA = 25°C, VIN = 15V)
- Operating ambient temperature is -40°C to 85°C
- Package style is 20-lead plastic TSSOP
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
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- 4V
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- 36V
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- 1Outputs
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- -
- :
- TSSOP
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- 20Pins
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- -
- :
- Synchronous Buck (Step Down)
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- -40°C
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- 125°C
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- -
- :
- -
- :
- MSL 1 - Unlimited
Technical Documents (1)
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75 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)
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Extra stock is available upon order to the Supplier Lead Time which is approximately 4/7/25
75 deliver in 3-4 business days from our UK warehouse
Due to market conditions delivery times are for general guidance only and may be subject to change at short notice
¥1,540.86
(
¥1,694.95
Inc. JCT)
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| Quantity | Price (Incl JCT) | Your Price (Incl JCT) |
|---|---|---|
| 1+ | ¥1,540.86 (¥1,694.95) | ( ) |
| 10+ | ¥1,255.57 (¥1,381.13) | ( ) |
| 74+ | ¥887.21 (¥975.93) | ( ) |
| 148+ | ¥864.48 (¥950.93) | ( ) |
| 296+ | ¥841.75 (¥925.93) | ( ) |
| 518+ | ¥801.00 (¥881.10) | ( ) |
| 1036+ | ¥787.97 (¥866.77) | ( ) |
| Quantity | Price (Incl JCT) | Your Price (Incl JCT) |
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