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UCC28089DRB PDF预览

UCC28089DRB

更新时间: 2024-11-27 22:59:31
品牌 Logo 应用领域
德州仪器 - TI 振荡器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
19页 335K
描述
PRIMARY-SIDE PUSH-PULL OSCILLATOR WITH DEAD-TIME CONTROL

UCC28089DRB 技术参数

生命周期:Obsolete零件包装代码:SON
包装说明:PLASTIC, SON-8针数:8
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.75
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING CONTROLLER
控制技术:PULSE WIDTH MODULATION最大输入电压:14 V
最小输入电压:8.5 V标称输入电压:9 V
JESD-30 代码:S-PDSO-N8长度:3 mm
功能数量:1端子数量:8
最高工作温度:105 °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:HVSON封装形状:SQUARE
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE认证状态:Not Qualified
座面最大高度:1 mm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:INDUSTRIAL
端子形式:NO LEAD端子节距:0.65 mm
端子位置:DUAL宽度:3 mm
Base Number Matches:1

UCC28089DRB 数据手册

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SLUS623 − SEPTEMBER 2004  
PRIMARY-SIDE PUSH-PULL OSCILLATOR  
WITH DEAD-TIME CONTROL  
FEATURES  
APPLICATIONS  
D
D
Push-Pull Oscillator With Programmable  
Deadtime  
D
D
D
D
D
High Efficiency Cascaded Converters  
Inverters  
High-Current Totem-Pole Dual Output Stage  
Drives Push-Pull Configuration with 1-A Sink  
and 0.5-A Source Capability  
Electronic Ballasts  
Uninterruptable Power Supplies (UPS)  
AC or DC Links  
D
Can be Used in Push-Pull, Half-Bridge, or  
Full-Bridge Topologies  
DESCRIPTION  
D
D
Oscillator Synchronization Output  
The UCC28089 is a versatile BiCMOS controller for  
dc-to-dc or off-line fixed-frequency switching power  
supplies. The UCC28089 has dual alternating output  
stages in dual-alternating push-pull configuration. Both  
outputs switch at half the oscillator frequency using a  
toggle flip-flop and duty cycle is limited to less than 50%.  
Low Start-Up Current of 130 µA and 1.4-mA  
Typical Run Current  
D
Over-Current Shutdown  
D
Digitally Controlled Over-Current/Retry  
Feature  
D
Undervoltage Lockout With Hysteresis  
TYPICAL APPLICATION  
V
= 1.2 V  
O
+
+
V
= 48 V  
IN  
RA  
UCC28089  
1
2
3
4
SYNC VDD 8  
BIAS  
DIS OUTA 7  
RB  
CT  
CT  
CS  
OUTB 6  
GND 5  
UCC2540  
G1 18  
2
4
REF  
VDD 16  
PGND 15  
SYNCIN G2 14  
UDG-04112  
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.  
ꢊꢙ  
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1
www.ti.com  

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