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UCC2808AQDR-2EP PDF预览

UCC2808AQDR-2EP

更新时间: 2024-11-04 22:44:11
品牌 Logo 应用领域
德州仪器 - TI 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信息通信管理
页数 文件大小 规格书
10页 180K
描述
LOW POWER CURRENT MODE PUSH-PULL PWM

UCC2808AQDR-2EP 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:SOP, SOP8,.25针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:0.89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:13 V最小输入电压:4.3 V
标称输入电压:10 VJESD-30 代码:R-PDSO-G8
JESD-609代码:e4长度:4.9 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:1 A
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25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:1.58 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:PUSH-PULL最大切换频率:1000 kHz
技术:BICMOS温度等级:AUTOMOTIVE
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3.91 mm
Base Number Matches:1

UCC2808AQDR-2EP 数据手册

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ꢀꢁꢁ ꢂ ꢃꢄ ꢃ ꢅ ꢆꢇꢈ  ꢁꢁ ꢂ ꢃꢄ ꢃꢅ ꢆꢂ ꢈꢉ  
ꢋ ꢌ ꢍ ꢉꢌ ꢍ ꢈꢎ ꢁꢀꢎ ꢎꢈꢏꢐ ꢑ ꢌꢒ ꢈ ꢉꢀꢓ ꢔꢆꢉ ꢀꢋ ꢋ ꢉ ꢍꢑ  
SGLS187A − SEPTEMBER 2003 − REVISED SEPTEMBER 2003  
D
Controlled Baseline  
− One Assembly/Test Site, One Fabrication  
Site  
D
130-µA Typical Starting Current  
1-mA Typical Run Current  
Operation to 1 MHz  
D
D
D
D
D
D
D
D
D
Extended Temperature Performance of  
−40°C to 125°C  
Enhanced Diminishing Manufacturing  
Sources (DMS) Support  
Internal Soft Start  
On-Chip Error Amplifier With 2-MHz Gain  
Bandwidth Product  
D
On Chip VDD Clamping  
Enhanced Product-Change Notification  
D
Output Drive Stages Capable of 500-mA  
Peak-Source Current, 1-A Peak-Sink  
Current  
Qualification Pedigree  
Dual Output Drive Stages in Push-Pull  
Configuration  
D PACKAGE  
(TOP VIEW)  
D
Current Sense Discharge Transistor to  
Improve Dynamic Response  
Component qualification in accordance with JEDEC and industry  
standards to ensure reliable operation over an extended  
temperature range. This includes, but is not limited to, Highly  
Accelerated Stress Test (HAST) or biased 85/85, temperature  
cycle, autoclave or unbiased HAST, electromigration, bond  
intermetallic life, and mold compound life. Such qualification  
testing should not be viewed as justifying use of this component  
beyond specified performance and environmental limits.  
1
2
3
4
8
7
6
5
VDD  
COMP  
FB  
OUTA  
OUTB  
GND  
CS  
RC  
description/ordering information  
The UCC2808A is a family of BiCMOS push-pull, high-speed, low-power, pulse-width modulators. The  
UCC2808A contains all of the control and drive circuitry required for off-line or dc-to-dc fixed frequency  
current-mode switching power supplies with minimal external parts count.  
The UCC2808A dual output drive stages are arranged in a push-pull configuration. Both outputs switch at half  
the oscillator frequency using a toggle flip-flop. The dead time between the two outputs is typically 60 ns to  
200 ns depending on the values of the timing capacitor and resistors, thus limiting each output stage duty cycle  
to less than 50%.  
The UCC2808A family offers a variety of package options and choice of undervoltage lockout levels. The family  
has UVLO thresholds and hysteresis options for off-line and battery powered systems. Thresholds are shown  
in the ordering information table.  
The UCC2808A is an enhanced version of the UCC2808 family. The significant difference is that the A versions  
feature an internal discharge transistor from the CS pin to ground, which is activated each clock cycle during  
the oscillator dead time. The feature discharges any filter capacitance on the CS pin during each cycle and helps  
minimize filter capacitor values and current sense delay.  
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.  
ꢉꢎ ꢌ ꢒꢀ ꢁ ꢐꢖ ꢌ ꢏ ꢒ ꢅꢐꢅ ꢗꢘ ꢙ ꢚꢛ ꢜ ꢝꢞ ꢗꢚꢘ ꢗꢟ ꢠꢡ ꢛ ꢛ ꢢꢘꢞ ꢝꢟ ꢚꢙ ꢣꢡꢤ ꢥꢗꢠ ꢝꢞ ꢗꢚꢘ ꢦꢝ ꢞꢢ ꢧ  
ꢉꢛ ꢚ ꢦꢡꢠ ꢞ ꢟ ꢠ ꢚꢘ ꢙꢚ ꢛ ꢜ ꢞ ꢚ ꢟ ꢣꢢ ꢠ ꢗꢙ ꢗꢠꢝ ꢞꢗ ꢚꢘꢟ ꢣꢢ ꢛ ꢞꢨ ꢢ ꢞꢢ ꢛ ꢜꢟ ꢚꢙ ꢐꢢꢩ ꢝꢟ ꢖꢘꢟ ꢞꢛ ꢡꢜ ꢢꢘꢞ ꢟ  
ꢟ ꢞ ꢝ ꢘꢦ ꢝ ꢛꢦ ꢪ ꢝ ꢛꢛ ꢝ ꢘ ꢞꢫꢧ ꢉꢛ ꢚ ꢦꢡꢠ ꢞꢗꢚꢘ ꢣꢛ ꢚꢠ ꢢꢟ ꢟꢗ ꢘꢬ ꢦꢚꢢ ꢟ ꢘꢚꢞ ꢘꢢ ꢠꢢ ꢟꢟ ꢝꢛ ꢗꢥ ꢫ ꢗꢘꢠ ꢥꢡꢦ ꢢ  
ꢞ ꢢ ꢟ ꢞꢗ ꢘꢬ ꢚꢙ ꢝ ꢥꢥ ꢣꢝ ꢛ ꢝ ꢜ ꢢ ꢞ ꢢ ꢛ ꢟ ꢧ  
Copyright 2003, Texas Instruments Incorporated  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

UCC2808AQDR-2EP 替代型号

型号 品牌 替代类型 描述 数据表
UCC2808D-2G4 TI

完全替代

LOW POWER CURRENT MODE PUSH-PULL PWM
UCC2808D-2 TI

完全替代

LOW POWER CURRENT MODE PUSH-PULL PWM

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