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ADP1883ARMZ-1.0-R7 PDF预览

ADP1883ARMZ-1.0-R7

更新时间： 2024-01-04 18:43:59
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输出元件PC
页数 文件大小 规格书
40页 1910K
描述
Synchronous Current-Mode with Constant On-Time,PWM Buck Controller

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ADP1883ARMZ-1.0-R7 技术参数

是否无铅：含铅是否Rohs认证：符合
生命周期：Active零件包装代码：TSSOP
包装说明：ROHS COMPLIANT, MO-187BA, MSOP-10针数：10
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：2.33
Samacsys Confidence：Samacsys Status：Released
Schematic Symbol：https://componentsearchengine.com/symbol.php?partID=579271PCB Footprint：https://componentsearchengine.com/footprint.php?partID=579271
Samacsys PartID：579271Samacsys Image：https://componentsearchengine.com/Images/9/ADP1883ARMZ-1.0-R7.jpg
Samacsys Thumbnail Image：https://componentsearchengine.com/Thumbnails/1/ADP1883ARMZ-1.0-R7.jpgSamacsys Pin Count：10
Samacsys Part Category：Integrated CircuitSamacsys Package Category：Other
Samacsys Footprint Name：SOP50P490X110-10NSamacsys Released Date：2017-01-11 11:21:59
Is Samacsys：N其他特性：MINIMUM OUTPUT VOLTAGE 0.8V
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：20 V
最小输入电压：3 V标称输入电压：12 V
JESD-30 代码：R-PDSO-G10JESD-609代码：e3
长度：3 mm湿度敏感等级：1
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
标称输出电压：2 V封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP10,.19,20
封装形状：RECTANGULAR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：1.1 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：PHASE-SHIFT
最大切换频率：1000 kHz温度等级：AUTOMOTIVE
端子面层：Matte Tin (Sn)端子形式：GULL WING
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 mm
Base Number Matches：1

ADP1883ARMZ-1.0-R7 数据手册

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Synchronous Current-Mode with  
Constant On-Time, PWM Buck Controller  
ADP1882/ADP1883  
FEATURES  
TYPICAL APPLICATIONS CIRCUIT  
V
= 2.75V TO 20V  
IN  
Power input voltage as low as 2.75 V to 20 V  
Bias supply voltage range: 2.75 V to 5.5 V  
Minimum output voltage: 0.8 V  
0.8 V reference voltage with 1.0% accuracy  
Supports all N-channel MOSFET power stages  
Available in 300 kHz, 600 kHz, and 1.0 MHz options  
No current-sense resistor required  
Power saving mode (PSM) for light loads (ADP1883 only)  
Resistor-programmable current-sense gain  
Thermal overload protection  
VIN  
C
C
ADP1882/  
ADP1883  
COMP/EN BST  
C
IN  
C
C2  
R
C
R
TOP  
V
OUT  
C
Q1  
BST  
L
V
FB  
DRVH  
SW  
OUT  
R
BOT  
C
GND  
OUT  
Q2  
C
VDD2  
VDD  
DRVL  
PGND  
R
RES  
LOAD  
V
= 2.75V TO 5.5V  
DD  
C
VDD  
Short-circuit protection  
Figure 1.  
Precision enable input  
Integrated bootstrap diode for high-side drive  
140 μA shutdown supply current  
100  
Starts into a precharged load  
Small, 10-lead MSOP package  
95  
90  
85  
80  
75  
70  
65  
60  
55  
50  
45  
40  
35  
30  
25  
V
V
= 5.5V, V = 13.0V  
IN  
DD  
DD  
APPLICATIONS  
= 5.5V, V = 16.5V  
IN  
Telecom and networking systems  
Mid to high end servers  
Set-top boxes  
V
V
V
= 5.5V, V = 5.5V (PSM)  
IN  
DD  
DD  
DD  
= 5.5V, V = 5.5V  
IN  
= 3.6V, V = 5.5V  
IN  
DSP core power supplies  
T
= 25°C  
A
V
= 1.8V  
OUT  
= 300kHz  
f
SW  
WURTH INDUCTOR:  
744325120, L = 1.2µH, DCR = 1.8mΩ  
INFINEON MOSFETs:  
BSC042N03MS G (UPPER/LOWER)  
100  
1k  
10k  
100k  
LOAD CURRENT (mA)  
Figure 2. ADP1882/ADP1883 Efficiency vs. Load Current  
(VOUT = 1.8 V, 300 kHz)  
GENERAL DESCRIPTION  
The ADP1882/ADP1883 are versatile current-mode, synchronous  
step-down controllers that provide superior transient response,  
optimal stability, and current-limit protection by using a constant  
on-time, pseudo-fixed frequency with a programmable current-  
limit, current-control scheme. In addition, these devices offer  
optimum performance at low duty cycles by using valley current-  
mode control architecture. This allows the ADP1882/ADP1883  
to drive all N-channel power stages to regulate output voltages  
as low as 0.8 V.  
Available in three frequency options (300 kHz, 600 kHz, and  
1.0 MHz, plus the PSM option), the ADP1882/ADP1883 are  
well suited for a wide range of applications. These ICs not only  
operate from a 2.75 V to 5.5 V bias supply, but they also can  
accept a power input as high as 20 V.  
In addition, an internally fixed soft start period is included to limit  
input in-rush current from the input supply during startup and  
to provide reverse current protection during soft start for a pre-  
charged output. The low-side current-sense, current-gain scheme  
and integration of a boost diode, along with the PSM/forced  
pulse-width modulation (PWM) option, reduce the external  
part count and improve efficiency.  
The ADP1883 is the power saving mode (PSM) version of the  
device and is capable of pulse skipping to maintain output  
regulation while achieving improved system efficiency at light  
loads (see the Power Saving Mode (PSM) Version (ADP1883)  
section for more information).  
The ADP1882/ADP1883 operate over the −40°C to +125°C  
junction temperature range and are available in a 10-lead MSOP.  
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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