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ANALOG DEVICES LT3474EFE-1#PBF
LED Driver, DC / DC, Buck, 2 MHz, TSSOP-EP-16, 4 to 36 V, -40 to 85°C, SMD
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- LT3474EFE-1#PBF
- Order Code:
- 4018342
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- Product Range
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- Technical Datasheet:
- LT3474EFE-1#PBF Datasheet
- ECAD / MCAD
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Product Information
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- Buck
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- -
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- 4V
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- 36V
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- -
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- 1A
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- 2MHz
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- Surface Mount
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- TSSOP-EP
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- 16Pins
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- -40°C
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- 85°C
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- -
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- -
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- MSL 1 - Unlimited
Technical Documents (1)
Product Overview
LT3474-1 is a fixed frequency step-down DC/DC converter designed to operate as constant-current sources. An internal sense resistor monitors the output current allowing accurate current regulation, ideal for driving high current LEDs. High output current accuracy is maintained over a wide current range, from 35mA to 1A, allowing a wide dimming range. Unique PWM circuitry allows a dimming range of 400:1, avoiding the colour shift normally associated with LED current dimming. The high switching frequency offers several advantages, permitting the use of small inductors and ceramic capacitors. The constant switching frequency combined with low-impedance ceramic capacitors result in low, predictable output ripple. A current mode PWM architecture provides fast transient response and cycle-by-cycle current limiting. It is used in application like automotive and avionic lighting, architectural detail lighting, display backlighting, constant current sources.
- Wide input voltage range is 4V to 36V
- Upto 1A LED current, adjustable control of LED current
- Switching frequency is 500KHz typical at (RT = 80.6K)
- Minimum input voltage is 3.5V typical
- High side sense allows grounded cathode connection
- Uses small inductors and ceramic capacitors
- Integrated boost diode, drives LED strings upto 26V
- Input quiescent current is 2.6mA typical
- Operating temperature is -40°C to 85°C
- Package style is 16-lead 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
96 In stock Need more?
1 deliver in 2-3 business days from our SG warehouse :(SG stock) Order before 17:00 Mon-Fri (excluding National Holidays)
95 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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You can reserve stock now just order your desired quantity and checkout as normal. The quantity that cant be dispatched now will be placed on back order and sent as soon as we get a delivery from our supplier. You only get charged when the products are dispatched to you.
Extra stock is available upon order to the Supplier Lead Time which is approximately 9/1/25
1 deliver in 2-3 business days from our SG warehouse
95 deliver in 3-4 business days from our UK warehouse
95 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
¥614.66
(¥676.13 Inc. JCT)
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| Quantity | Price (Incl JCT) |
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