參數(shù)資料
型號(hào)： LTC3634EFE#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 5.5 A DUAL SWITCHING CONTROLLER, 4600 kHz SWITCHING FREQ-MAX, PDSO28
封裝： 4.40 MM, LEAD FREE, PLASTIC, TSSOP-28
文件頁(yè)數(shù)： 3/28頁(yè)
文件大?。?/td> 359K
代理商： LTC3634EFE#PBF
LTC3634
11
3634f
Out-Of-Phase Operation
Tying the PHMODE pin high sets the SW2 falling edge to
be 180° out-of-phase with the SW1 falling edge. There is
a significant advantage to running both channels out-of-
phase. When running the channels in phase, both topside
MOSFETs are on simultaneously, causing large current
pulses to be drawn from the input capacitor and supply
at the same time. When running the LTC3634 channels
out-of-phase, the large current pulses are interleaved,
effectively reducing the amount of time the pulses overlap.
Thus,thetotalRMSinputcurrentisdecreased,whichboth
relaxes the capacitance requirements for the VIN bypass
capacitorsandreducesthevoltagenoiseonthesupplyline.
One potential disadvantage to this configuration occurs
when one channel is operating at 50% duty cycle. In this
situation, SW node transitions can potentially couple from
one channel to the other, resulting in frequency jitter on
one or both channels. This effect can be mitigated with a
well designed board layout. Alternatively, tying PHMODE
low changes the phase difference to be 90°, which may
prevent SW1 and SW2 from transitioning at the same
point in time.
operaTion
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PDF描述
LTC3642IMS8E-3.3E#PBF 0.13 A SWITCHING REGULATOR, PDSO8
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LTC3707IGN-SYNC 3 A SWITCHING CONTROLLER, 360 kHz SWITCHING FREQ-MAX, PDSO28
LTC3728IUH 3 A DUAL SWITCHING CONTROLLER, 590 kHz SWITCHING FREQ-MAX, PQCC32
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3634EUFD#PBF 功能描述:IC CONV DDR DDR2 DDR3 28QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標(biāo)準(zhǔn)包裝:43 系列:- 應(yīng)用:控制器，Intel VR11 輸入電壓:5 V ~ 12 V 輸出數(shù):1 輸出電壓:0.5 V ~ 1.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-QFN（7x7） 包裝:管件
LTC3634EUFD#TRPBF 功能描述:IC CONV DDR DDR2 DDR3 28QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標(biāo)準(zhǔn)包裝:43 系列:- 應(yīng)用:控制器，Intel VR11 輸入電壓:5 V ~ 12 V 輸出數(shù):1 輸出電壓:0.5 V ~ 1.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-QFN（7x7） 包裝:管件
LTC3634HFE#PBF 制造商:Linear Technology 功能描述:IC CONV DDR DDR2 DDR3 28TSSOP 制造商:Linear Technology 功能描述:BUCK 15V 3A 500KHZ-4MHZ TS 制造商:Linear Technology 功能描述:DP-SWREG/Monolithic, 15V Dual 3A Monolithic Step Down Regulator for DDR Power 制造商:Linear Technology 功能描述:DC-DC REGULATOR, BUCK, ADJ, TSSOP-28, Primary Input Voltage:15V, No. of Outputs:2, Output Current:3A, No. of Pins:28, Operating Temperature Min:-40C, Operating Temperature Max:150C, MSL:MSL 1 - Unlimited, Package / Case:28-TSSOP , RoHS Compliant: Yes
LTC3634HFE#TRPBF 制造商:Linear Technology 功能描述:IC REG 15V 3A STEP DOWN 28-TSSOP
LTC3634HUFD#PBF 制造商:Linear Technology 功能描述:IC CONV DDR DDR2 DDR3 28-QFN 制造商:Linear Technology 功能描述:BUCK 15V 3A 500KHZ-4MHZ QF 制造商:Linear Technology 功能描述:DC-DC REGULATOR, BUCK, ADJ, QFN-28, Primary Input Voltage:15V, No. of Outputs:2, Output Current:3A, No. of Pins:28, Operating Temperature Min:-40C, Operating Temperature Max:150C, MSL:MSL 1 - Unlimited, Package / Case:28-QFN , RoHS Compliant: Yes
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