MAX840C/D中文資料美信數(shù)據(jù)手冊PDF規(guī)格書
MAX840C/D規(guī)格書詳情
General Description
The MAX840/MAX843/MAX844 low-noise, inverting charge-pump power supplies are ideal for biasing GaAsFETs in cellular telephone transmitter amplifiers. They operate with inputs down to 2.5V.
Features
? Fixed -2V or Adjustable -0.5V to -9.4V Output at 4mA (MAX840)
? 2.5V to 10V Input Voltage Range
? Operate with Small Capacitors (as low as 0.22μF)
? 1mVp-p Output Voltage Ripple
? Charge-Pump Switching Frequency:
?? 100kHz in Normal Operation
?? 20kHz in Shutdown Mode (MAX844)
? 1μA Max Logic-Level Shutdown Over Temp. (MAX840/MAX843)
? Small 8-Pin SO Package
Applications
?? Cellular Phones
?? GaAsFET Power Amplifier Modules
?? Personal Communicators, PDAs
?? Wireless Data Loggers
?? Continuously Adjustable GaAsFET Bias
?? LCD-Bias Contrast Control
?? Regulated Negative Power Supplies
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
MAXIM/美信 |
23+ |
SOP-8 |
50000 |
全新原裝正品現(xiàn)貨,支持訂貨 |
詢價 | ||
MAXIM |
24+ |
SOP8 |
20000 |
全新原廠原裝，進(jìn)口正品現(xiàn)貨，正規(guī)渠道可含稅?。?/div> |
詢價 | ||
MAXIM |
24+ |
SOP8 |
35400 |
全新原裝現(xiàn)貨/假一罰百! |
詢價 | ||
MAXIM/美信 |
2022+ |
SOP-8 |
30000 |
進(jìn)口原裝現(xiàn)貨供應(yīng),原裝 假一罰十 |
詢價 | ||
MAXIM |
SOP8 |
3500 |
一級代理 原裝正品假一罰十價格優(yōu)勢長期供貨 |
詢價 | |||
MAXIM |
20+ |
SOP8 |
2960 |
誠信交易大量庫存現(xiàn)貨 |
詢價 | ||
MAXIM |
19+ |
SOP8 |
256800 |
原廠代理渠道,每一顆芯片都可追溯原廠； |
詢價 | ||
MAXIM |
22+ |
SMD8 |
8200 |
原裝現(xiàn)貨庫存.價格優(yōu)勢!! |
詢價 | ||
MAXIM |
23+ |
SMD |
7750 |
全新原裝優(yōu)勢 |
詢價 | ||
MAXIM/美信 |
22+ |
SOP-8 |
15330 |
原裝正品 |
詢價 |
