LTC3218EDDB#TRPBF

SD-08ZESOL, DC/DC converter, 6V, 500mA, DFN

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Price:: US $2.30~2.50 / piece [Get Latest Price]

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Qty (lots)	Price/lot
1 ~ 100 :	2.50 / Piece
101 ~ 500 :	2.40 / Piece
501 ~ 1000 :	2.30 / Piece

PartNumber:: LTC3218EDDB#TRPBF

Brand:: LTN Servotechnik GmbH - LTN | Pack: | D/C:

Availability:: Supply Ability: 8000/Day Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

Quantity:: piece

Total Price:: US $0

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Products Upload time: 2013-08-18

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Part Number:LTC3218EDDB#TRPBF
US $2.30 - 2.50
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piece

Product Summary

The ltc3218eddb#trpbf is a low-noise, high-current charge pump DC/DC converter capable of driving high current LEDs at up to 400mA from a 2.9V to 4.5V input. A low external parts count (one fl ying capacitor, two programming resistors and two bypass capacitors at VIN and CPO) make the ltc3218eddb#trpbf ideally suited for LED Torch/Flash Supply for DSCs/Cellphones. Built-in soft-start circuitry prevents excessive inrush current during start-up. High switching frequency enables the use of small external capacitors. A built-in 2-second timer protects the LED during fl ash mode.

Parametrics

ltc3218eddb#trpbf absolute maximum ratings: (1)VIN to GND: –0.3V to 6V; (2)CPO to GND: –0.3V to 6V; (3)ENF, ENT: –0.3V to VIN + 0.3V; (4)ICPO, IILED (Note 2): 500mA; (5)CPO Short-Circuit Duration: Indefi nite; (6)Storage Temperature Range: –65°C to 125°C; (7)Operating Temperature Range (Note 3): –40°C to 85°C.

Features

ltc3218eddb#trpbf features: (1)Low Noise Constant-Frequency Operation; (2)Multi-Mode Operation: 1x or 2x Boost Mode; (3)Automatic Mode Switching; (4)High Output Current: 150mA (Continuous), 400mA (Pulsed)From Li-Ion/Polymer Input; (5)2-Second Flash Current Timeout for LED Protection; (6)Automatic Soft-Start; (7)Output Disconnect; (8)No Inductors; (9)220mΩ Internal High Side Current Sense Resistor; (10)Single Resistor Programming Capability; (11)Tiny Application Circuit (3mm × 2mm DFN Package, All Components < 1mm High).