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UD05123L-AF5-R中文資料
UD05123L-AF5-R數(shù)據(jù)手冊(cè)規(guī)格書(shū)PDF詳情
DESCRIPTION
UTC UD05123 is a 2.25MHz constant frequency current mode
PWM step-down converter. It is ideal for portable equipment
requiring very high current up to 1.8A from single-cell Lithium-ion
batteries while still achieving over 90 efficiency during peak load
conditions. The 2.5V to 5.5V input voltage range makes UTC
UD05123 ideally suited for single Li-Ion, two to four AA
battery-powered applications. 100 duty cycle provides low
dropout operation, extending battery life in portable systems. Pulse
skipping mode operation provides very low output ripple voltage for
noise sensitive applications. Switching frequency is internally set at
2.25MHz, allowing the use of small surface mount inductors and
capacitors. The internal synchronous switch increases efficiency
and decreases need of an external Schottky diode. Low output
voltages are easily supported with the 0.6V feedback reference
voltage.
FEATURES
* Input Voltage Range :2.5V~5.5V
* Output Voltage: from 0.6V to VIN
* High Efficiency: Up to 92
* Constant Frequency Operation: 2.25MHz
* Output Current:1.2A
* Quiescent Current: 50uA (input < 4.2V)
* No Schottky Diode Required
* 100 Duty Cycle in Dropout
* 0.6V Reference Allows Low Output Voltages
* Current Mode Operation for Excellent Line and Load
Transient Response
* Current limit, Enable function
* Short Circuit Protect (SCP)
* ≤1μA Shutdown Current
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫(kù)存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
FAIRCHILD/仙童 |
23+ |
DIP |
11200 |
原廠授權(quán)一級(jí)代理、全球訂貨優(yōu)勢(shì)渠道、可提供一站式BO |
|||
FAIRCHILD/仙童 |
24+ |
TO220 |
8540 |
只做原裝正品現(xiàn)貨或訂貨假一賠十! |
|||
FAI |
2020+ |
TO220-4 |
50 |
百分百原裝正品 真實(shí)公司現(xiàn)貨庫(kù)存 本公司只做原裝 可 |
|||
FAI |
23+ |
TO220-4 |
50 |
全新原裝正品現(xiàn)貨,支持訂貨 |
|||
ST |
02/03+ |
QFP64 |
684 |
全新原裝100真實(shí)現(xiàn)貨供應(yīng) |
|||
ST |
24+ |
QFP64 |
940 |
||||
ST |
25+ |
QFP64 |
940 |
⊙⊙新加坡大量現(xiàn)貨庫(kù)存,深圳常備現(xiàn)貨!歡迎查詢!⊙ |
|||
ST |
24+ |
QFP-52P鐵底 |
4897 |
絕對(duì)原裝!現(xiàn)貨熱賣(mài)! |
|||
ST |
24+ |
QFP64 |
2987 |
只售原裝自家現(xiàn)貨!誠(chéng)信經(jīng)營(yíng)!歡迎來(lái)電! |
|||
ST |
23+ |
QFP-64 |
16900 |
正規(guī)渠道,只有原裝! |
UD05123L-AF5-R 資料下載更多...
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UTC相關(guān)芯片制造商
Datasheet數(shù)據(jù)表PDF頁(yè)碼索引
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Unisonic Technologies 友順科技股份有限公司
中文資料: 44005條
UTC集團(tuán)成立于1990年，專注致力于模擬IC及離散式組件Discrete 研發(fā)、設(shè)計(jì)、制造、封裝、測(cè)試及營(yíng)銷業(yè)務(wù)。 為提供客戶完整的解決方案及具價(jià)格競(jìng)爭(zhēng)優(yōu)勢(shì)，公司經(jīng)營(yíng)策略采IDM資源垂直整合，期望能給予客戶最佳選擇，并創(chuàng)造客戶最大之經(jīng)濟(jì)效益。 IDM采取主動(dòng)的方式，從產(chǎn)品的研發(fā)、設(shè)計(jì)、制造、封裝、測(cè)試到品牌營(yíng)銷， 在每一個(gè)關(guān)鍵點(diǎn)都充分掌握其自主的能力，以達(dá)到產(chǎn)能保障及技術(shù)自主，充分展現(xiàn)企業(yè)競(jìng)爭(zhēng)力。 UTC具有完整模擬組件產(chǎn)品線，產(chǎn)品以類比IC為主(涵蓋電源管理、電源驅(qū)動(dòng)、運(yùn)算放大器、比較器、數(shù)字功放、 邏輯IC等)， 分立器件為主(涵蓋低壓MOS管 、高壓MOS管、超結(jié)MOS、IGBT單
