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参数资料
| 型号： | ADP1821ARQZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 2/24页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM VM 16-QSOP |
| 标准包装： | 1 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 720kHz |
| 占空比： | 90% |
| 电源电压： | 3.7 V ~ 5.5 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 包装： | 标准包装 |
| 产品目录页面： | 791 (CN2011-ZH PDF) |
| 其它名称： | ADP1821ARQZ-R7DKR |
ADP1821
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Specifications..................................................................................... 3
Soft Start ........................................................................................ 9
REVISION HISTORY
4/07—Rev. B to Rev. C
Changes to Specifications Section.................................................. 3
Changes to Absolute Maximum Ratings Section......................... 5
Changes to Current-Limit Scheme Section ................................ 10
Changes to Setting the Current Limit Section............................ 14
Added Figure 15.............................................................................. 14
Changes to Compensating the Voltage Mode Buck
Regulator Section............................................................................ 15
Changes to Type II Compensator Section................................... 17
Changes to Type III Compensator Section ................................. 18
Changes to Application Circuits Section..................................... 21
Changes to Figure 22...................................................................... 21
Changes to Ordering Guide .......................................................... 23
12/06—Rev. A to Rev. B
Updated Format..................................................................Universal
Changes to Features Section............................................................ 1
Changes to Applications Section .................................................... 1
Changes to General Description Section ...................................... 1
Changes to Error Amplifier............................................................. 3
Changes to PWM Controller .......................................................... 3
Changes to Theory of Operation Section.......................................9
Changes to Application Information Section ............................. 12
Added PCB Layout Section........................................................... 19
Changes to Application Circuits Section..................................... 21
Added Summary of Equations Section........................................ 23
1/06—Rev. 0 to Rev. A
Changes to Specifications Table ......................................................3
Changes to Theory of Operation Section.................................... 10
Changes to Input Voltage Range Section .................................... 11
Added Equation 1........................................................................... 12
Changes to Equation 7 and Equation 8 ....................................... 13
Added Equation 9........................................................................... 13
Changes to Equation 16................................................................. 14
Changes to Figure 15...................................................................... 14
Changes to Equation 21................................................................. 15
Changes to Figure 16...................................................................... 15
Changes to Equation 28................................................................. 15
Updated Outline Dimensions....................................................... 18
7/05—Revision 0: Initial Version
Changes to Oscillator Frequency.................................................... 3
Rev. C | Page 2 of 24
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADP1821-BL1-EVZ | 制造商:Analog Devices 功能描述:Evaluation Board For Step-Down DC-To-DC Controller 制造商:Analog Devices 功能描述:BLANK ADISIMPOWER EVAL ADP1821 - Boxed Product (Development Kits) |
| ADP1821-BL2-EVZ | 制造商:Analog Devices 功能描述:Evaluation Board For Step-Down DC-To-DC Controller 制造商:Analog Devices 功能描述:BLANK ADISIMPOWER EVAL ADP1821 - Boxed Product (Development Kits) |
| ADP1821-EVAL | 功能描述:电源管理IC开发工具 Evaluation Board I.C. RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| ADP1822 | 制造商:AD 制造商全称:Analog Devices 功能描述:PWM, Step-Down DC-to-DC Controller with Margining and Tracking |
| ADP1822ARQZ-R7 | 功能描述:IC REG CTRLR BUCK PWM VM 24-QSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:75 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.3 V ~ 13.5 V 降压:是 升压:是 回扫:是 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:0°C ~ 70°C 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:管件 产品目录页面:1051 (CN2011-ZH PDF) 其它名称:296-2543-5 |
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