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L4970A PDF预览

L4970A

更新时间: 2024-11-07 22:15:35
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 稳压器开关式稳压器或控制器电源电路开关式控制器PC局域网
页数 文件大小 规格书
21页 401K
描述
10A SWITCHING REGULATOR

L4970A 技术参数

是否Rohs认证:符合生命周期:Active
零件包装代码:ZFM包装说明:ZIP, ZIP15,.2,.17TB
针数:15Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:6 weeks 4 days风险等级:1.59
Samacsys Confidence:3Samacsys Status:Released
Samacsys PartID:179343Samacsys Pin Count:15
Samacsys Part Category:Integrated CircuitSamacsys Package Category:Transistor Outline, Vertical
Samacsys Footprint Name:Multiwatt15 VSamacsys Released Date:2015-11-03 12:30:39
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:50 V最小输入电压:15 V
标称输入电压:35 VJESD-30 代码:R-PZFM-T15
JESD-609代码:e3功能数量:1
端子数量:15最大输出电流:15 A
标称输出电压:5.1 V封装主体材料:PLASTIC/EPOXY
封装代码:ZIP封装等效代码:ZIP15,.2,.17TB
封装形状:RECTANGULAR封装形式:FLANGE MOUNT
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
子类别:Switching Regulator or Controllers表面贴装:NO
切换器配置:BUCK最大切换频率:500 kHz
技术:BCDMOS端子面层:Matte Tin (Sn) - annealed
端子形式:THROUGH-HOLE端子节距:1.27 mm
端子位置:ZIG-ZAG处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

L4970A 数据手册

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L4970A  
10A SWITCHING REGULATOR  
10A OUTPUT CURRENT  
5.1V TO 40V OUTPUT VOLTAGERANGE  
0 TO 90% DUTY CYCLE RANGE  
MULTIPOWER BCD TECHNOLOGY  
INTERNAL FEED-FORWARD LINE REGULA-  
TION  
INTERNAL CURRENT LIMITING  
PRECISE 5.1V 2% ON CHIP REFERENCE  
±
RESET AND POWER FAIL FUNCTIONS  
SOFT START  
INPUT/OUTPUT SYNC PIN  
UNDER VOLTAGE LOCK OUT WITH HYS-  
TERETIC TURN-ON  
Multiwatt15V  
ORDERING NUMBER:  
L4970A  
PWM LATCH FOR SINGLE PULSE PER PE-  
RIOD  
VERYHIGH EFFICIENCY  
SWITCHING FREQUENCY UP TO 500KHz  
THERMAL SHUTDOWN  
CONTINUOUS MODE OPERATION  
Realized with BCD mixed technology, the device  
uses a DMOS output transistor to obtain very high  
efficiency and very fast switching times. Features  
of the L4970A include reset and power fail for mi-  
croprocessors, feed forward line regulation, soft  
start, limiting current and thermal protection. The  
device is mounted in a 15-lead multiwatt plastic  
power package and requires few external compo-  
nents. Efficient operation at switching frequencies  
up to 500KHz allows reduction in the size and  
cost of external filter components.  
DESCRIPTION  
The L4970A is a stepdown monolithic power  
switching regulator delivering 10A at a voltage  
variable from 5.1 to 40V.  
BLOCK DIAGRAM  
June 2000  
1/21  
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.  

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