LTC1871EMS

Flyback and SEPIC Controller, MSOP, 5.2V, 10uA

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Price:: US $1.46~5.00 / piece [Get Latest Price]

Reference price:

Qty (lots)	Price/lot
1 ~ 10 :	5.00 / Piece
11 ~ 100 :	1.82 / Piece
101 ~ 500 :	1.46 / Piece

PartNumber:: LTC1871EMS

Brand:: Linear Technology - Linear | Pack: MSOP | D/C: 11+

Availability:: Supply Ability: 1000/Day Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

Quantity:: piece

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Datasheet:: LTC1871EMS Datasheet download

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Products Upload time: 2013-01-06

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Part Number:LTC1871EMS
US $1.46 - 5.00
Quantity:

piece

Product Summary

The LTC1871EMS is a wide input range, current mode, boost, flyback and SEPIC controller that drives an N-channel power MOSFET and requires very few external components. The applications of the LTC1871EMS are Telecom Power Supplies, Portable Electronic Equipment. Higher output voltage boost, SEPIC and flyback applications are possible with the LTC1871EMS by connecting the SENSE pin to a resistor in the source of the power MOSFET.

Parametrics

LTC1871EMS absolute maximum ratings: (1)VIN Voltage: –0.3V to 36V; (2)INTVCC Voltage: –0.3V to 7V; (3)INTVCC Output Current: 50mA; (4)GATE Voltage: –0.3V to VINTVCC + 0.3V; (5)ITH, FB Voltages: –0.3V to 2.7V; (6)RUN, MODE/SYNC Voltages: –0.3V to 7V; (7)FREQ Voltage: –0.3V to 1.5V; (8)SENSE Pin Voltage: –0.3V to 36V; (9)Operating Temperature Range: –40°C to 85°C; (10)Junction Temperature: 125°C; (11)Storage Temperature Range: –65°C to 150°C; (12)Lead Temperature (Soldering, 10 sec): 300°C.

Features

LTC1871EMS features: (1)High Efficiency (No Sense Resistor Required); (2)Wide Input Voltage Range: 2.5V to 36V; (3)Current Mode Control Provides Excellent Transient Response; (4)High Maximum Duty Cycle (92% Typ); (5)±2% RUN Pin Threshold with 100mV Hysteresis; (6)±1% Internal Voltage Reference; (7)Micropower Shutdown: IQ = 10μA; (8)Programmable Operating Frequency (50kHz to 1MHz) with One External Resistor; (9)Synchronizable to an External Clock Up to 1.3 × fOSC; (10)User-Controlled Pulse Skip or Burst Mode Operation; (11)Internal 5.2V Low Dropout Voltage Regulator; (12)Output Overvoltage Protection; (13)Capable of Operating with a Sense Resistor for High Output Voltage Applications; (14)Small 10-Lead MSOP Package.