音影先锋亚洲天堂网|电影世界尽头的爱完整版播放|国产 熟女 91|高清无码免费观看欧美日韩|韩国一区二区三区黄色录像|美女亚洲加勒比在线|亚洲综合网 开心五月|7x成人在线入口|成人网站免费日韩毛片区|国产黄片?一级?二级?三级

LM5025BMTC Datasheet

  • LM5025BMTC

  • National Semiconductor [Active Clamp Voltage Mode PWM Contr...

  • NSC

掃碼查看芯片數(shù)據(jù)手冊

上傳產(chǎn)品規(guī)格書

PDF預覽

LM5025B Active Clamp Voltage Mode PWM Controller
March 2006
LM5025B
Active Clamp Voltage Mode PWM Controller
General Description
The LM5025B is a functional variant of the LM5025 active
clamp PWM controller. The functional differences of the
LM5025B are as follows:
鈥?/div>
The maximum PWM duty cycle is limited to less than
75% to reduce voltage stress on the power MOSFETs.
鈥?/div>
The CS2 hiccup mode threshold is increased to 0.5V
鈥?/div>
The CS2 filter discharge device is disabled
鈥?/div>
The V
CC
regulator continues to operate when the line
UVLO is below the threshold of normal operation
鈥?/div>
The V
REF
regulator is switched off when the line UVLO
input falls below the operating threshold
鈥?/div>
The internal 5k鈩?COMP pin pull-up resistor is removed
The LM5025B PWM controller contains all of the features
necessary to implement power converters utilizing the Active
Clamp / Reset technique. With the active clamp technique,
higher efficiencies and greater power densities can be real-
ized compared to conventional catch winding or RDC clamp
/ reset techniques. Two control outputs are provided, the
main power switch control (OUT_A) and the active clamp
switch control (OUT_B). The two internal compound gate
drivers parallel both MOS and Bipolar devices, providing
superior gate drive characteristics. This controller is de-
signed for high-speed operation including an oscillator fre-
quency range up to 1MHz and total PWM and current sense
propagation delays less than 100ns.
The LM5025B includes a high-voltage start-up regulator that
operates over a wide input range of 13V to 100V. Additional
features include: Line Under Voltage Lockout (UVLO), soft-
start, oscillator UP/DOWN sync capability, precision refer-
ence and thermal shutdown.
Features
n
Internal start-up bias regulator
n
3A compound main gate driver
n
Programmable line under-voltage lockout (UVLO) with
adjustable hysteresis
n
Voltage mode control with feed-forward
n
Adjustable dual mode over-current protection
n
Programmable overlap or deadtime between the main
and active clamp outputs
n
Volt x Second maximum duty cycle clamp
n
Programmable soft-start
n
Current sense leading edge blanking
n
Single resistor programmable oscillator
n
Oscillator up / down sync capability
n
Precision 5V reference
n
Thermal shutdown
Packages
n
TSSOP-16
n
LLP-16 (5x5 mm) Thermally Enhanced
Typical Application Circuit
20141101
Simplified Active Clamp Forward Power Converter
漏 2006 National Semiconductor Corporation
DS201411
www.national.com

LM5025BMTC PDF文件相關型號

LM5025BMTCX,LM5025BSD,LM5025BSDX

LM5025BMTC相關型號PDF文件下載

  • 型號
    版本
    描述
    廠商
    下載
  • 英文版
    SOT-23 Single-Supply Centigrade Temperature Sensor
    NSC
  • 英文版
    SOT-23 Single-Supply Centigrade Temperature Sensor
    NSC [Natio...
  • 英文版
    Seoul Semiconductor [CYAN LAMP LED]
    SEOUL
  • 英文版
    ETC
  • 英文版
    SOT-23 Single-Supply Centigrade Temperature Sensor
    NSC
  • 英文版
    SOT-23 Single-Supply Centigrade Temperature Sensor
  • 英文版
    SOT-23 Single-Supply Centigrade Temperature Sensor
    NSC
  • 英文版
    SOT-23 Single-Supply Centigrade Temperature Sensor
    NSC [Natio...
  • 英文版
    High Voltage Switch Mode Regulator
    NSC
  • 英文版
    High Voltage Switch Mode Regulator
    NSC [Natio...
  • 英文版
    Non-Isolated Flyback Evaluation Board
    National Semiconductor
  • 英文版
    High Voltage Switch Mode Regulator
    NSC
  • 英文版
    High Voltage Switch Mode Regulator
    NATIONAL SEMICONDUCTOR
  • 英文版
    High Voltage 2.5 Amp Buck Regulator
    NSC
  • 英文版
    High Voltage 2.5 Amp Buck Regulator
    NSC [Natio...
  • 英文版
    High Voltage (80V) Step Down Switching Regulator
    NSC
  • 英文版
    High Voltage (80V) Step Down Switching Regulator
    NSC [Natio...
  • 英文版
    High Voltage (100V) Step Down Switching Regulator
    NSC
  • 英文版
    High Voltage (100V) Step Down Switching Regulator
    NSC [Natio...
  • 英文版
    Evaluation Board
    National Semiconductor

掃碼下載APP，
一鍵連接廣大的電子世界。

在線人工客服

買家服務：
賣家服務：
技術客服：

0571-85317607

網(wǎng)站技術支持

13606545031

客服在線時間周一至周五
9:00-17:30

關注官方微信號，
第一時間獲取資訊。

建議反饋

聯(lián)系人：

聯(lián)系方式：

按住滑塊，拖拽到最右邊
>>
感謝您向阿庫提出的寶貴意見，您的參與是維庫提升服務的動力！意見一經(jīng)采納，將有感恩紅包奉上哦！