LTC1876EG

triple output switching regulator, 36-SSOP, 1A, 36V, 150kHz to 300kHz

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Price:: US $1.00~10,000,000.00 / piece [Get Latest Price]

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PartNumber:: LTC1876EG

Brand:: Linear Technology - Linear | Pack: SSOP | D/C: 10+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-05-12

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Part Number:LTC1876EG
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Product Summary

The LTC1876EG is a high performance triple output switching regulator. It incorporates a dual step-down switching controller that drives all N-channel synchronous power MOSFET stages. A step-up regulator with an internal 1A, 36V switch provides the third output. The LTC1876EG minimizes power loss and noise by operating the output stage of each controller out of phase. The applications of the LTC1876EG include: 3.3V Input Step-Down Converter, Notebook and Palmtop Computers, PDAs, Battery-Operated Digital Devices.

Parametrics

LTC1876EG absolute maximum ratings: (1)Input Supply Voltage (VIN): 36V to –0.3V; (2)Topside Driver Voltages(BOOST1, BOOST2): 42V to –0.3V; (3)Switch Voltage (SW1, SW2): 36V to –5V; (4)INTVCC, EXTVCC, RUN/SS1, RUN/SS2, PGOOD, (BOOST1-SW1), (BOOST2-SW2): 7V to –0.3V; (5)SENSE1+, SENSE2+, SENSE1–, SENSE2–Voltages: (1.1)INTVCC to –0.3V; (6)FREQSET, STBYMD, FCB, PGOOD Voltages: 7V to –0.3V; (7)ITH1, ITH2, VOSENSE1, VOSENSE2 Voltages: 2.7V to –0.3V; (8)Peak Output Current <10ms (TG1, TG2, BG1, BG2): 3A; (9)INTVCC Peak Output Current: 50mA.

Features

LTC1876EG features: (1)Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise; (2)Power Good Output Voltage Indicator; (3)OPTI-LOOP Compensation Minimizes COUT; (4)DC Programmed Fixed Frequency 150kHz to 300kHz; (5)Wide VIN Range: 3.5V to 36V Operation; (6)Very Low Dropout Operation: 99% Duty Cycle; (7)Adjustable Soft-Start Current Ramping; (8)Latched Short-Circuit Shutdown with Defeat Option; (9)Remote Output Voltage Sense and OV Protection; (10)5V and 3.3V Standby Regulators; (11)Selectable Const. Freq. or Burst ModeTM Operation.