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ADP2120ACPZ-3.3-R7 PDF预览

ADP2120ACPZ-3.3-R7

更新时间: 2024-02-21 10:13:54
品牌 Logo 应用领域
亚德诺 - ADI 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管PC
页数 文件大小 规格书
24页 1112K
描述
2 A/1.25 A, 1.2 MHz, Synchronous, Step-Down DC-to-DC Regulators

ADP2120ACPZ-3.3-R7 技术参数

Source Url Status Check Date:2013-05-01 14:56:45.695是否无铅:含铅
是否Rohs认证:符合生命周期:Active
零件包装代码:SOIC包装说明:HVSON, SOLCC10,.11,20
针数:10Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:1.66Samacsys Confidence:3
Samacsys Status:Released2D Presentation:https://componentsearchengine.com/2D/0T/421150.4.1.png
Schematic Symbol:https://componentsearchengine.com/symbol.php?partID=421150PCB Footprint:https://componentsearchengine.com/footprint.php?partID=421150
3D View:https://componentsearchengine.com/viewer/3D.php?partID=421150Samacsys PartID:421150
Samacsys Image:https://componentsearchengine.com/Images/9/ADP2120ACPZ-3.3-R7.jpgSamacsys Thumbnail Image:https://componentsearchengine.com/Thumbnails/4/ADP2120ACPZ-3.3-R7.jpg
Samacsys Pin Count:11Samacsys Part Category:Integrated Circuit
Samacsys Package Category:Small Outline No-leadSamacsys Footprint Name:10-Lead LFCSP_WD
Samacsys Released Date:2017-01-11 11:21:59Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:5.5 V
最小输入电压:2.3 V标称输入电压:3.3 V
JESD-30 代码:S-PDSO-N10JESD-609代码:e3
长度:3 mm湿度敏感等级:3
功能数量:1端子数量:10
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:2.4 A标称输出电压:3.3 V
封装主体材料:PLASTIC/EPOXY封装代码:HVSON
封装等效代码:SOLCC10,.11,20封装形状:SQUARE
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:0.85 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BUCK最大切换频率:1380 kHz
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3 mmBase Number Matches:1

ADP2120ACPZ-3.3-R7 数据手册

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2 A/1.25 A, 1.2 MHz, Synchronous,  
Step-Down DC-to-DC Regulators  
ADP2119/ADP2120  
FEATURES  
Continuous output current  
ADP2119: 2 A  
TYPICAL APPLICATION CIRCUIT  
C1  
0.1µF  
V
5V  
IN  
ADP2120: 1.25 A  
C
R1  
IN  
145 mΩ and 70 mΩ integrated MOSFETs  
Input voltage range from 2.3 V to 5.5 V  
Output voltage from 0.6 V to VIN  
1.5ꢀ output accuracy  
1.2 MHz fixed switching frequency  
Synchronizable between 1 MHz and 2 MHz  
Selectable PWM or PFM mode operation  
Current mode architecture  
22µF  
X5R  
6.3V  
10  
ADP2119/ADP2120  
1
2
3
4
5
10  
VIN  
EN  
9
PVIN SYNC/MODE  
R2  
10kΩ  
V
OUT  
3.3V  
8
SW  
PGOOD  
TRK  
C
L
OUT  
1.5µH  
22µF  
X5R  
6.3V  
7
PGND  
GND  
R
TOP  
10kΩ  
6
FB  
R
BOT  
Precision threshold enable input  
Power-good flag  
2.21kΩ  
Voltage tracking  
Integrated soft start  
Figure 1.  
Internal compensation  
Startup with precharged output  
UVLO, OVP, OCP, and thermal shutdown  
10-lead, 3 mm × 3 mm LFCSP_WD package  
APPLICATIONS  
Point of load conversion  
Communications and networking equipment  
Industrial and instrumentation  
Consumer electronics  
Medical applications  
GENERAL DESCRIPTION  
100  
The ADP2119/ADP2120 are low quiescent current, synchronous,  
step-down dc-to-dc regulators in a compact 3 mm × 3 mm  
LFCSP_WD package. Both devices use a current mode, constant  
frequency pulse-width modulation (PWM) control scheme for  
excellent stability and transient response. Under light load conditions,  
they can be configured to operate in a pulse frequency modulation  
(PFM) mode, which reduces switching frequency to save power.  
V
V
= 5V  
IN  
= 1.8V  
OUT  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
PFM  
The ADP2119/ADP2120 support input voltages from 2.3 V to  
5.5 V. The output voltage can be adjusted from 0.6 V up to the  
input voltage (VIN) for the adjustable version, whereas the fixed  
output version is available in preset output voltage options of 3.3 V,  
2.5 V, 1.8 V, 1.5 V, 1.2 V, and 1.0 V. The ADP2119/ADP2120 require  
minimal external parts and provide a high efficiency solution with  
their integrated power switches, synchronous rectifiers, and internal  
compensation. Each IC draws less than 2 μA current from the input  
source when it is disabled. Other key features include undervoltage  
lockout (UVLO), integrated soft start to limit inrush current at  
startup, overvoltage protection (OVP), overcurrent protection  
(OCP), and thermal shutdown (TSD).  
FPWM  
0.01  
0.1  
1
OUTPUT CURRENT (A)  
Figure 2. ADP2119 Efficiency vs. Output Current  
Rev. 0  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2010 Analog Devices, Inc. All rights reserved.  
 

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