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參數(shù)資料
| 型號(hào)： | MAX1820 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | MAX1820 Evaluation Kit |
| 中文描述： | 用于WCDMA蜂窩電話的600mA buck穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大小： | 141K |
| 代理商： | MAX1820 |
Conclusion
Maxim’s continuous reliability monitoring program ensures that all outgoing product will continue to meet Maxim’s quality
and reliability standards.
Table of Contents
I. ........Device Description
II. ........Manufacturing Information
III. .......Packaging Information
IV. .......Die Information
I. Device Description
A. General
The MAX1820 low-dropout, pulse-width-modulated (PWM) DC-DC buck regulator is optimized to provide power to the
power amplifier (PA) in WCDMA cell phones; however, it may be applied in many other applications where high
efficiency is a priority. The supply voltage range is from 2.6V to 5.5V, and the guaranteed output current is 600mA;
1MHz PWM switching allows for small external components, while skip mode reduces quiescent current to 180μA
with light loads.
The MAX1820 successfully meets the quality and reliability standards required of all Maxim products. In addition,
V. ........Quality Assurance Information
VI. .......Reliability Evaluation
......Attachments
The MAX1820 is dynamically controlled to provide varying output voltages from 0.4V to 3.4V. The circuit is designed
such that the output voltage settles in <30μs for a full-scale change in voltage and current.
The MAX1820 includes a low on-resistance internal MOSFET switch and synchronous rectifier to maximize
efficiency and minimize external component count; 100% duty-cycle operation allows for low dropout of only 150mV
at 600mA load, including the external inductor resistance. The device is offered in 10-pin μMAX and tiny 3 x 4 chip-
scale (UCSP) packages
B. Absolute Maximum Ratings
BATT, OUT (FB), SHDN, SYNC, SKIP, REF to GND
PGND to GND
LX, COMP to GND
Output Short-Circuit Duration
Operating Temperature Range
Junction Temperature
Storage Temperature Ranges
Lead Temperature (soldering, 10s)
Continuous Power Dissipation (TA = +70°C)
10-Pin μMAX
Derates above +70
°
C
10-Pin μMAX
Item
Rating
-0.3V to +6.0V
-0.3V to +0.3V
-0.3V to (VBATT + 0.3V)
Infinite
-40°C to +85°C
+150°C
-65°C to +150°C
+300°C
444mW
5.6mW/
°
C
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1820EVKIT | MAX1820 Evaluation Kit |
| MAX1953 | Low-Cost, High-Frequency, Current-Mode PWM Buck Controller |
| MAX1953EUB | Low-Cost, High-Frequency, Current-Mode PWM Buck Controller |
| MAX1954 | Low-Cost, High-Frequency, Current-Mode PWM Buck Controller |
| MAX1954EUB | Low-Cost, High-Frequency, Current-Mode PWM Buck Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1820EUB | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX1820EUB-T | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX1820EVKIT | 制造商:Maxim Integrated Products 功能描述:DYNAMICALLY CONTROLLOED WCDMA POWER AMP 600MA - Bulk |
| MAX1820XEBC | 制造商:Maxim Integrated Products 功能描述:DYNAMICALLY CONTROLLOED WCDMA POWER - Rail/Tube |
| MAX1820XEBC+ | 制造商:Maxim Integrated Products 功能描述:CONV DC-DC SGL-OUT STEP DOWN 12UCSP - Rail/Tube |
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