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TPS65251RHAR Mgbanwe Voltage Regulators PMU na 3 DC/DC Ntụgharị

TPS65251RHAR Ndị na-agbanwe voltaji PMU nwere ihe ngbanwe 3 DC/DC egosipụtara
  • TPS65251RHAR Mgbanwe Voltage Regulators PMU na 3 DC/DC Ntụgharị
  • TPS65251RHAR Mgbanwe Voltage Regulators PMU na 3 DC/DC Ntụgharị

Nkọwa dị mkpirikpi:

Ndị nrụpụta: Texas Instruments
Udi ngwaahịa: PMIC - Ndị na-achịkwa voltaji - DC DC na-agbanwe agbanwe
Akwụkwọ data:TPS65251RHAR
Nkọwa: IC REG BCK ADJ 3A/2A TRPL 40VQFN
Ọkwa RoHS: RoHS kwadoro


Zitere anyị email

Nkọwa ngwaahịa

Atụmatụ

Ngwa

Mkpado ngwaahịa

♠ Nkọwa ngwaahịa

Njirimara ngwaahịa Uru Njirimara
Onye nrụpụta: Ngwa Texas
Otu ngwaahịa: Ndị na-achịkwa voltaji na-agbanwe
RoHS: Nkọwa
Ụdị nrịgo: SMD/SMT
Ngwungwu / Akpa: VQFN-40
Topology: Buck
Voltaji mmepụta: 800mV ruo 17V
Mpụta ugbu a: 3 A
Ọnụọgụ nke mmepụta: 3 Mpụta
Ntinye voltaji, Obere: 4.5 V
Ntinye voltaji, Oke: 18 V
Quiescent dị ugbu a: 1 mA
Ugboro ngbanwe: 300 kHz ruo 2.2 MHz
Okpomọkụ arụ ọrụ kacha nta: - 40 C
Okpomọkụ arụ ọrụ kacha: + 125 C
Usoro: TPS65251
Nkwakọ ngwaahịa: Reel
Nkwakọ ngwaahịa: Bee teepu
Nkwakọ ngwaahịa: MouseReel
Akara: Ngwa Texas
Ngwa mmepe: TPS65251EVM
Ntinye voltaji: 4.5 V ruo 18 V
Mmiri nwere mmetụta: Ee
Nbunye na-arụ ọrụ ugbu a: 20 mA
Ụdị ngwaahịa: Ndị na-achịkwa voltaji na-agbanwe
Ọnụọgụ ngwugwu ụlọ ọrụ: 2500
ngalaba: PMIC - ICs njikwa ike
Ibu nkeji: 0,003527 oz

♠ TPS65251 4.5-V ruo 18-V ntinye, elu-ugbu a, mmekọrịta steepụ gbadara atọ Buck Switcher na FET jikọtara ọnụ.

TPS65251 nwere atụmatụ ntinye obosara atọ jikọtara ọnụ nke ndị ntụgharị oke arụmọrụ dị elu. The converters e mere ka mfe ya ngwa mgbe na-enye mmebe nhọrọ ebuli ha ojiji dị ka lekwasịrị ngwa.

Ndị ntụgharị ahụ nwere ike ịrụ ọrụ na sistemụ 5-, 9-, 12- ma ọ bụ 15-V ma nwee transistor ike jikọtara ọnụ. Enwere ike ịtọ voltaji mmepụta na mpụga site na iji nkesa resistor na uru ọ bụla n'etiti 0.8 V na nso nsonye ntinye. Ihe ngbanwe ọ bụla na-eme ka pin na-enye ohere mmalite nke na-egbu oge maka nhazi usoro, ntụtụ mmalite dị nro nke na-enye ohere ịmegharị nro mmalite oge site na ịhọrọ capacitor mmalite dị nro, na njedebe dị ugbu a (RLIMx) nke na-enyere ndị mmebe aka ịgbanwe njedebe ugbu a site na ịhọrọ onye na-emegide mpụga ma kwalite nhọrọ nke inductor. Njikwa ọnọdụ ugbu a na-enye ohere ịkwụ ụgwọ RC dị mfe.

Enwere ike ịtọ ugboro ngbanwe nke ndị ntụgharị ya na ihe mgbochi mpụga jikọtara na pin ROSC ma ọ bụ nwee ike ịmekọrịta ya na elekere mpụga ejikọrọ na pin SYNC ma ọ dị mkpa. Emebere ndị na-agbanwe agbanwe ka ọ rụọ ọrụ site na 300 kHz ruo 2.2 MHz. 180º si arụ ọrụ n'etiti Buck 1 na Buck 2, 3 (Buck 2 na 3 na-agba ọsọ na nkeji) na-ebelata ihe nzacha ntinye.


  • Nke gara aga: LM2775DSGR Mgbanwe Voltage Regulators 2.7V ka 5.5VIN 200mA mmepụta ugbu a 5V arụ ọrụ voltaji okpukpu abụọ 8-WSON
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  • • Ọnụnọ voltaji ntinye obosara (4.5 ruo 18V)

    • 0.8 V, 1% ntụaka ziri ezi

    • Nbudata na-aga n'ihu: 3 A (Buck 1), 2 A (Buck 2 and 3)

    • Kachasị ugbu a: 3.5 A (Buck 1), 2.5 A (Buck 2 and 3)

    • Ọkụ ngbanwe na-agbanwe agbanwe 300 kHz ruo 2.2 MHz Setịpụrụ Onye Nguzogide Mpụga

    • Raara onwe ya nye Kwado maka ego ọ bụla

    • Pin mmekọrịta mpụga maka oscillator

    • Kwado/usoro nhazi na ntụtụ mmalite dị nro

    • Oke na-agbanwe agbanwe ugbu a site n'aka ndị mmegide mpụga

    • Mkpọ mmalite dị nro

    • Njikwa ọnọdụ ugbu a na sekit akwụ ụgwọ dị mfe

    • Powergood

    • Ịrụ ọrụ dị ala dị ala maka ibu ọkụ

    • ngwugwu VQFN, 40-Pin 6 mm × 6 mm RHA

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