New Original LM25118Q1MH/NOPB Integrated Circuit IC REG CTRLR BUCK 20TSSOP Ic Chip LM25118Q1MH/NOPB

1. Synchronous bucking

Qhov zoo.

Kev ua haujlwm siab: qhov kev tiv thaiv sab hauv ntawm mos raj yog qhov me me heev thiab lub zog ntawm lub xeev poob qis dua me dua li ntawm Cosmos voltage poob ntawm Schottky diode.

Qhov tsis zoo.

Kev ruaj ntseg tsis txaus: yuav tsum tau tsim lub voj voog tsav, thiab zam lub raj sab sauv thiab qis rau tib lub sijhawm, lub voj voog ntau dua, ua rau tsis muaj kev ruaj ntseg.

2. non-synchronous phaw

Qhov zoo.

Tsawg efficiency: Schottky diode voltage poob yog loj, txheeb ze rau lub hwj chim noj generated los ntawm mos raj

Qhov tsis zoo.

Kev ruaj ntseg siab: yuav tsis muaj kev sib txuas ua ke ntawm cov raj sab sauv thiab sab qis.

1: PFM (pulse zaus modulation method)

Hloov cov mem tes dav yog qhov tseeb, los ntawm kev hloov cov zaus ntawm cov zis ntawm lub mem tes, cov zis voltage yog stabilized.ntawm kev tswj hom muaj qhov zoo ntawm kev siv hluav taws xob tsawg txawm tias siv rau lub sijhawm ntev, tshwj xeeb tshaj yog ntawm cov khoom me me.

2: PWM (Pulse Width Modulation)

PWM hom tswj tau zoo heev thiab muaj qhov zoo tso zis voltage ripple thiab suab nrov.

Los xaus: Feem ntau, qhov sib txawv ntawm DC-DC converters nrog ob txoj kev sib txawv, PFM thiab PWM, yog raws li hauv qab no.

PWM zaus, PFM lub luag haujlwm lub voj voog xaiv txoj kev.PWM/PFM conversion hom PFM tswj ntawm me me loads thiab tsis siv neeg hloov mus rau PWM tswj ntawm hnyav loads.

3.

Dab tsi yog qhov txawv ntawm synchronous boost ICs thiab asynchronous boost ICs?

Qhov sib txawv tseem ceeb ntawm synchronous boost ICs thiab asynchronous boosts yog qhov txawv ntawm txoj kev kho.

Lub synchronous boost IC Circuit Court siv MOS vim tias MOS cov raj muaj qhov tsis zoo sab hauv hauv lub xeev qhib thiab qhov kev poob hauv cov txheej txheem kho kom zoo yog tsawg heev, yog li qhov ua tau zoo ntawm synchronous boost yog siab thiab cov cua sov tsim tsawg.Nws tuaj yeem siv rau kev siv hluav taws xob ntau zog.

Asynchronous boost IC circuits siv diodes rau rectification.Diodes muaj qhov sib txuas hluav taws xob poob hauv cov txheej txheem rectification.Qhov siab dua qhov tam sim no hauv cov txheej txheem rectification, qhov poob siab dua.Feem ntau, lub hwj chim tsis tuaj yeem yog lub zog siab.