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TPS65251RHAR Hoʻololi Voltage Regulators PMU me 3 DC/DC Converter

TPS65251RHAR Hoʻololi Voltage Regulators PMU me 3 DC/DC Converters
  • TPS65251RHAR Hoʻololi Voltage Regulators PMU me 3 DC/DC Converter
  • TPS65251RHAR Hoʻololi Voltage Regulators PMU me 3 DC/DC Converter

ʻO ka wehewehe pōkole:

Nā mea hana: Texas Instruments
Māhele Huahana: PMIC - Nā Hoʻoponopono Voltage - DC DC Switching Regulators
Pepa ʻikepili:TPS65251RHAR
ʻO ka wehewehe: IC REG BCK ADJ 3A/2A TRPL 40VQFN
ʻO ke kūlana RoHS: RoHS Compliant


E hoʻouna i ka leka uila iā mākou

Huahana Huahana

Nā hiʻohiʻona

Nā noi

Huahana Huahana

♠ wehewehe huahana

Huahana Huahana Waiwai Hiʻona
Mea hana: Nā mea kani ʻo Texas
Māhele Huahana: Mea Hooponopono Voltage
RoHS: Nā kikoʻī
Kāila kau ʻana: SMD/SMT
Pūʻolo / hihia: VQFN-40
Topology: Buck
Voltage pukana: 800 mV a i 17 V
Huakaʻi i kēia manawa: 3 A
Ka helu o nā mea hoʻopuka: 3 Hoʻopuka
Voltage Hookomo, Min: 4.5 V
Voltage Input, Max: 18 V
ʻO kēia manawa mālie: 1 mA
Hoʻololi pinepine: 300 kHz a i 2.2 MHz
Mahana hana liʻiliʻi loa: - 40 C
ʻO ka wela hoʻohana kiʻekiʻe loa: + 125 C
moʻo: TPS65251
Packaging: Reel
Packaging: ʻOki lipine
Packaging: Huli ʻIole
Brand: Nā mea kani ʻo Texas
Mea hoʻomohala: TPS65251EVM
Voltage hookomo: 4.5 V a 18 V
ʻAi ʻoluʻolu: ʻAe
Mea Hana i kēia manawa: 20 mA
ʻAno Huahana: Mea Hooponopono Voltage
Ka nui o ka waihona hale hana: 2500
Māhele ʻāpana: PMIC - Nā IC hoʻokele mana
Huina Wehe: 0.003527 oz

♠ TPS65251 4.5-V a i 18-V Hookomo, Kiekie-I keia manawa, Hoolike-Iho Iho Ekolu Buck Switch Me ka FET Hoohui

Hōʻike ka TPS65251 i ʻekolu ʻano hoʻokomo ākea ākea kiʻekiʻe e hoʻololi i ka buck converters. Hoʻolālā ʻia nā mea hoʻololi e hoʻomaʻamaʻa i kāna noi me ka hāʻawi ʻana i ka mea hoʻolālā i ke koho e hoʻonui i kā lākou hoʻohana e like me ka noi i koho ʻia.

Hiki i nā mea hoʻololi ke hana i nā ʻōnaehana 5-, 9-, 12- a i ʻole 15-V a ua hoʻohui ʻia nā transistors mana. Hiki ke hoʻonohonoho ʻia ka volta puka ma waho me ka hoʻohana ʻana i kahi mea hoʻokaʻawale kūʻē i kekahi waiwai ma waena o 0.8 V a kokoke i ka lako hoʻokomo. Hiki i kēlā me kēia hiʻohiʻona hoʻololi ke pine e hiki ai i ka hoʻomaka ʻana o ka hoʻomaka ʻana no ka hoʻonohonoho ʻana, ka pine hoʻomaka palupalu e hiki ai ke hoʻololi i ka manawa hoʻomaka haʻahaʻa ma ke koho ʻana i ka capacitor soft-start, a me kahi pine palena o kēia manawa (RLIMx) e hiki ai i ka mea hoʻolālā ke hoʻololi i ka palena o kēia manawa ma ke koho ʻana i kahi pale kūwaho a hoʻonui i ka koho o ka inductor. Hāʻawi ka mana o kēia manawa i kahi uku RC maʻalahi.

Hiki ke hoʻonohonoho ʻia ke alapine hoʻololi o nā mea hoʻololi me kahi pale kūwaho i hoʻopili ʻia i ka pine ROSC a i ʻole hiki ke hoʻonohonoho ʻia i kahi uaki waho i hoʻopili ʻia me ka pine SYNC inā pono. Hoʻolālā ʻia nā mea hoʻololi hoʻololi e hana mai 300 kHz a i 2.2 MHz. 180° ma waho o ke kaʻina hana ma waena o Buck 1 a me Buck 2, 3 (Buck 2 a me 3 holo i ke kaʻina) hōʻemi i nā koi kānana hoʻokomo.


  • Mua: LM2775DSGR Nā Hoʻoponopono Voltage Hoʻololi 2.7V a i ka 5.5VIN 200mA puka i kēia manawa 5V mea hoʻopaʻa lua uila 8-WSON
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  • • Laulā Voltage Hoʻokomo Hoʻokomo ʻia (4.5 a 18 V)

    • 0.8 V, 1% Kuhikuhi Pono

    • Hoʻouka mau: 3 A (Buck 1), 2 A (Buck 2 a me 3)

    • ʻO kēia manawa: 3.5 A (Buck 1), 2.5 A (Buck 2 a me 3)

    • Hiki ke hoʻololi i ka alapine hoʻololi 300 kHz i ka 2.2 MHz i hoʻonohonoho ʻia e ka pale pale waho.

    • Hoʻolaʻa hiki i kēlā me kēia Buck

    • Pin Hoʻohui Kūwaho no ka Oscillator

    • Nā Pins Hiki/Sequencing o waho a me nā Pins Hoʻomaka Māmā

    • Hoʻonohonoho ʻia ka palena o kēia manawa e ka Resistor waho

    • Nā Pins Hoʻomaka Māmā

    • Ka Mana Mana o keia manawa me ka Kaapuni Uku Maalahi

    • Powergood

    • Koho Haʻahaʻa-Power Mode hana no ka māmā haawe

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

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