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UCC2813-5 PDF预览

UCC2813-5

更新时间： 2024-11-23 21:55:07
品牌 Logo 应用领域
德州仪器 - TI 信息通信管理
页数 文件大小 规格书
13页 404K
描述
LOW-POWER BICMOS CURRENT-MODE PWM

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UCC2813-5 数据手册

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SGLS245 − MAY 2004  
D
Qualification in Accordance With  
AEC-Q100  
D
D
D
D
Operation to 1 MHz  
Internal Soft Start  
†
D
Qualified for Automotive Applications  
Internal Fault Soft Start  
D
Customer-Specific Configuration Control  
Can Be Supported Along With  
Major-Change Approval  
Internal Leading-Edge Blanking of the  
Current Sense Signal  
D
1-A Totem-Pole Output  
D
D
ESD Protection Exceeds 200 V Using  
Machine Model (C = 200 pF, R = 0)  
D
70 ns Typical Response from  
Current-Sense to Gate Drive Output  
100 µA Typical Starting Supply Current  
500 µA Typical Operating Supply Current  
D
D
1.5% Tolerance Voltage Reference  
D
Same Pinout as UC3802, UC3842, and  
UC3842A  
†
Contact Texas Instruments for details. Q100 qualification data  
available on request.  
description  
The UCC2813-0/-1/-2/-3/-4/-5 family of high-speed, low-power integrated circuits contain all of the control and  
drive components required for off-line and dc-to-dc fixed frequency current-mode switching power supplies with  
minimal parts count.  
These devices have the same pin configuration as the UC2842/3/4/5 family and also offer the added features  
of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.  
The UCC2813-0/-1/-2/-3/-4/-5 family offers choice of maximum duty cycle and critical voltage levels. Lower  
reference parts such as the UCC2813-3 and UCC2813-5 fit best into battery operated systems, while the higher  
reference and the higher UVLO hysteresis of the UCC2813-2 and UCC2813-4 make these ideal choices for use  
in off-line power supplies.  
The UCC2813-xQ-Q1 series is specified for the automotive temperature range of −40_C to 125_C and qualified  
in accordance with AEC-Q100 stress test qualification for integrated circuits.  
PART NUMBER  
UCC2813-0  
UCC2813-1  
UCC2813-2  
UCC2813-3  
UCC2813-4  
UCC2813-5  
MAXIMUM DUTY CYCLE REFERENCE VOLTAGE  
TURN-ON THRESHOLD TURN-OFF THRESHOLD  
100%  
50%  
5 V  
5 V  
5 V  
4 V  
5 V  
4 V  
7.2 V  
9.4 V  
12.5 V  
4.1 V  
12.5 V  
4.1 V  
6.9 V  
7.4 V  
8.3 V  
3.6 V  
8.3 V  
3.6 V  
100%  
100%  
50%  
50%  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
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Copyright 2004 Texas Instruments Incorporated  
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ꢢ ꢦ ꢣ ꢢꢛ ꢜꢰ ꢞꢝ ꢡ ꢩꢩ ꢧꢡ ꢟ ꢡ ꢠ ꢦ ꢢ ꢦ ꢟ ꢣ ꢫ  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...13

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