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ADP2384ACPZN-R7 PDF预览

ADP2384ACPZN-R7

更新时间： 2024-01-01 19:52:07
品牌 Logo 应用领域
亚德诺 - ADI 开关输出元件
页数 文件大小 规格书
25页 753K
描述
20 V, 4 A, Synchronous Step-Down DC-to-DC Regulator

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ADP2384ACPZN-R7 技术参数

Source Url Status Check Date：2013-05-01 14:56:46.042是否无铅： 含铅
是否Rohs认证： 符合生命周期：Active
包装说明：QCCN, LCC24,.16SQ,20针数：24
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：2.29
其他特性：ADJUSTABLE OUTPUT VOLTAGE RANGE FROM 0.6 V TO 18 V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：20 V最小输入电压：4.5 V
标称输入电压：12 VJESD-30 代码：S-XXSS-N24
JESD-609代码：e4长度：4 mm
湿度敏感等级：3功能数量：1
端子数量：24最高工作温度：125 °C
最低工作温度：-40 °C最大输出电流：4 A
封装主体材料：UNSPECIFIED封装代码：QCCN
封装等效代码：LCC24,.16SQ,20封装形状：SQUARE
封装形式：SPECIAL SHAPE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：0.8 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：1400 kHz
技术：DMOS温度等级：AUTOMOTIVE
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：NO LEAD
端子节距：0.5 mm端子位置：UNSPECIFIED
处于峰值回流温度下的最长时间：30宽度：4 mm
Base Number Matches：1

ADP2384ACPZN-R7 数据手册

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20 V, 4 A, Synchronous, Step-Down  
DC-to-DC Regulator  
Data Sheet  
ADP2384  
FEATURES  
TYPICAL APPLICATIONS CIRCUIT  
Input voltage: 4.5 V to 20 V  
Integrated MOSFET: 44 mΩ/11.6 mΩ  
Reference voltage: 0.6 V 1%  
ADP2384  
BST  
V
PVIN  
EN  
IN  
C
BST  
L
C
IN  
SW  
V
OUT  
Continuous output current: 4 A  
C
OUT  
PGOOD  
SYNC  
RT  
R
TOP  
Programmable switching frequency: 200 kHz to 1.4 MHz  
Synchronizes to external clock: 200 kHz to 1.4 MHz  
180° out-of-phase clock synchronization  
Precision enable and power good  
FB  
COMP  
SS  
R
T
R
C
R
VREG  
BOT  
C
C
VREG  
GND PGND  
C
C
SS  
External compensation  
Internal soft start with external adjustable option  
Startup into a precharged output  
Supported by ADIsimPower design tool  
Figure 1.  
APPLICATIONS  
Communications infrastructure  
Networking and servers  
Industrial and instrumentation  
Healthcare and medical  
Intermediate power rail conversion  
DC-to-dc point-of-load applications  
GENERAL DESCRIPTION  
The ADP2384 is a synchronous, step-down dc-to-dc regulator  
with an integrated 44 mΩ, high-side power MOSFET and  
an 11.6 mΩ, synchronous rectifier MOSFET to provide a high  
efficiency solution in a compact 4 mm × 4 mm LFCSP package.  
This device uses a peak current mode, constant frequency pulse-  
width modulation (PWM) control scheme for excellent stability  
and transient response. The switching frequency of the ADP2384  
can be programmed from 200 kHz to 1.4 MHz. To minimize  
system noise, the synchronization function allows the switching  
frequency to be synchronized to an external clock.  
Other key features include undervoltage lockout (UVLO),  
overvoltage protection (OVP), overcurrent protection (OCP),  
short-circuit protection (SCP), and thermal shutdown (TSD).  
The ADP2384 operates over the −40°C to +125°C junction  
temperature range and is available in a 24-lead, 4 mm × 4 mm  
LFCSP package.  
100  
95  
90  
85  
80  
75  
70  
65  
60  
The ADP2384 requires minimal external components and operates  
from an input voltage of 4.5 V to 20 V. The output voltage can be  
adjusted from 0.6 V to 90% of the input voltage and delivers up to  
4 A of continuous current. Each IC draws less than 120 μA current  
from the input source when it is disabled.  
This regulator targets high performance applications that require  
high efficiency and design flexibility. External compensation and an  
adjustable soft start function provide design flexibility. The power-  
good output and precision enable input provide simple and reliable  
power sequencing.  
V
V
V
= 1.2V  
= 3.3V  
= 5V  
OUT  
OUT  
OUT  
55  
50  
0
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
3.5  
4.0  
OUTPUT CURRENT (A)  
Figure 2. Efficiency vs. Output Current, VIN = 12 V, fSW = 300 kHz  
Rev. A  
Document Feedback  
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  
rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700 ©2012–2014 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 
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ADP2384ACPZN-R7 替代型号

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