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General Description
The MAX1958/MAX1959 power amplifier (PA) power-management ICs (PMICs) integrate an 800mA, dynamically adjustable step-down converter, a 5mA Rail-to-Rail? operational amplifier (op amp), and a precision temperature sensor to power a heterojunction bipolar transistor (HBT) PA in W-CDMA and N-CDMA cell phones.
Features
? Step-Down Converter
??? Dynamically Adjustable Output Voltage from
??? 0.75V to 3.4V (MAX1958)
??? Dynamically Adjustable Output Voltage from
??? 1V to 3.6V (MAX1959)
??? 800mA Guaranteed Output Current
??? 130mV IC Dropout at 600mA Load
??? Low Quiescent Current
??????? 190μA (typ) in Skip Mode (MAX1958)
??????? 3mA (typ) in PWM Mode
??????? 0.1μA (typ) in Shutdown Mode
??? 1MHz Fixed-Frequency PWM operation
??? 16 to 100 Duty-Cycle Operation
No External Schottky Diode Required Soft-Start
? Operational Amplifier
??? 5mA Rail-to-Rail Output
??? Active Discharge in Shutdown
??? 800kHz Gain-Bandwidth Product
??? 120dB Open-Loop Voltage Gain (RL = 100k?)
? Temperature Sensor
??? Accurate Sensor -11.7mV/°C Slope
??? -40°C to +125°C-Rated Temperature Range
? 20-Pin Thin QFN (5mm ? 5mm), 0.8mm Height (max)
Applications
??? W-CDMA and N-CDMA Cellular Phones
??? Wireless PDAs and Modems
MAX1958ETP產(chǎn)品屬性
- 類型
描述
- 型號(hào)
MAX1958ETP
- 功能描述
PMIC 解決方案 WCDMA/NCDMA HBT PA Mgt IC
- RoHS
否
- 制造商
Texas Instruments
- 安裝風(fēng)格
SMD/SMT
- 封裝/箱體
QFN-24
- 封裝
Reel
供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫(kù)存 | 備注 | 價(jià)格 |
---|---|---|---|---|---|---|---|
MAXIM |
23+ |
NA |
25060 |
只做進(jìn)口原裝,終端工廠免費(fèi)送樣 |
|||
MAXIM |
1725+ |
DIP16 |
6528 |
只做原裝正品現(xiàn)貨!或訂貨假一賠十! |
|||
MAXIM |
17+ |
DIP16 |
9888 |
只做原裝,現(xiàn)貨庫(kù)存 |
|||
MAXIM |
23+ |
DIP-16 |
2680 |
全新原裝假一賠十 |
|||
MAXIM |
24+ |
MSOP |
2250 |
100%全新原裝公司現(xiàn)貨供應(yīng)!隨時(shí)可發(fā)貨 |
|||
MAXIM |
05+ |
100 |
原裝正品 |
||||
MAXIM |
23+ |
SMD |
6500 |
絕對(duì)全新原裝!現(xiàn)貨!特價(jià)!請(qǐng)放心訂購(gòu)! |
|||
MAXIM |
25+ |
SMD |
4500 |
全新原裝、誠(chéng)信經(jīng)營(yíng)、公司現(xiàn)貨銷售! |
|||
MAXIM |
23+ |
SOP |
8560 |
受權(quán)代理!全新原裝現(xiàn)貨特價(jià)熱賣(mài)! |
|||
maxim |
20+ |
5848 |
全新現(xiàn)貨熱賣(mài)中歡迎查詢 |
MAX1958ETP 資料下載更多...
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Maxim Integrated Products 美信半導(dǎo)體
Maxim Integrated Products是一家專注于模擬和混合信號(hào)集成電路的公司,成立于1983年,總部位于美國(guó)加利福尼亞州圣何塞。公司設(shè)計(jì)和制造廣泛應(yīng)用于電子設(shè)備的高性能集成電路,涵蓋電源管理、信號(hào)處理、傳感器和接口等多個(gè)領(lǐng)域。 Maxim的產(chǎn)品廣泛應(yīng)用于消費(fèi)電子、工業(yè)、汽車(chē)、通信等市場(chǎng),以其高性能和創(chuàng)新技術(shù)著稱。公司致力于通過(guò)推動(dòng)技術(shù)進(jìn)步來(lái)滿足客戶的需求,并提供解決方案,幫助客戶實(shí)現(xiàn)更高的效率和更好的性能。 在2021年,Maxim Integrated被Analog Devices收購(gòu),進(jìn)一步增強(qiáng)了Analog Devices在市場(chǎng)上的競(jìng)爭(zhēng)力和技術(shù)實(shí)力。