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UCC28220DR PDF预览

UCC28220DR

更新时间: 2024-11-20 04:48:11
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
30页 616K
描述
INTERLEAVED DUAL PWM CONTROLLER WITH PROGRAMMABLE MAX DUTY CYCLE

UCC28220DR 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:SOIC-16针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:5.19Is Samacsys:N
模拟集成电路 - 其他类型:DUAL SWITCHING CONTROLLER控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:14.5 V
最小输入电压:8 V标称输入电压:12 V
JESD-30 代码:R-PDSO-G16JESD-609代码:e4
长度:9.9 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:105 °C最低工作温度:-40 °C
最大输出电流:0.01 A最大输出电压:3.45 V
最小输出电压:3.15 V标称输出电压:3.3 V
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP16,.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:1.75 mm
子类别:Switching Regulator or Controllers最大供电电流 (Isup):6 mA
标称供电电压 (Vsup):12 V表面贴装:YES
切换器配置:PUSH-PULL最大切换频率:1100 kHz
技术:BICMOS温度等级:INDUSTRIAL
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:3.9 mm
Base Number Matches:1

UCC28220DR 数据手册

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ꢀꢁꢁ ꢂ ꢃꢂ ꢂ ꢄ ꢅ ꢀꢁ ꢁꢂ ꢃꢂ ꢂꢆ  
SLUS544C − SEPTEMBER 2003 − REVISED OCTOBER 2007  
ꢏꢀꢍ ꢌ ꢐꢑ ꢒ ꢁꢓ ꢈꢉ ꢋꢓ ꢌ ꢌꢊ ꢋ  
ꢒ ꢒꢍꢖ ꢌꢊ ꢒ ꢍꢗ ꢏꢀꢉ ꢘ ꢁꢘ ꢁꢌꢊ  
FEATURES  
APPLICATIONS  
D
D
D
D
D
D
D
D
D
D
2-MHz High Frequency Oscillator with 1-MHz  
Operation Per Channel  
D
High Output Current (50-A to 100-A)  
Converters  
Matched Internal Slope Compensation  
Circuits  
D
Maximum Power Density Designs  
D
High Efficiency 48-V Input with Low Output  
Ripple Converters  
Programmable Maximum Duty Cycle Clamp  
60% to 90% Per Channel  
D
High Power Offline, Telecom and Datacom  
Power Supplies  
Peak Current Mode Control with  
Cycle-by-Cycle Current Limit  
DESCRIPTION  
Current Sense Discharge Transistor for  
Improved Noise Immunity  
The UCC28220 and UCC28221 are a family of BiCMOS  
interleaved dual channel PWM controllers. Peak  
current mode control is used to ensure current sharing  
between the two channels. A precise maximum duty  
cycle clamp can be set to any value between 60% and  
90% duty cycle per channel.  
Accurate Line Under and Over-Voltage Sense  
with Programmable Hysteresis  
Opto-Coupler Interface  
110-V Internal Start-Up JFET (UCC28221)  
Operates from 12-V Supply (UCC28220)  
Programmable Soft-Start  
UCC28220 has an UVLO turn-on threshold of 10 V for  
use in 12-V supplies while UCC28221 has a turn-on  
threshold of 13 V for systems needing wider UVLO  
hysteresis. Both have 8-V turn-off thresholds.  
TYPICAL APPLICATION  
VIN  
(+48V)  
CS1  
UCC28221  
LINEOV VIN 16  
1
2
Bias  
3
LINE LINEUV 15  
HYS  
VOUT  
VDD  
CS1  
REF 14  
1/2 UCC27324  
CS2  
4
5
6
7
8
OUT1 13  
SLOPE OUT2 12  
CS2  
SS  
GND 11  
CHG 10  
REF  
CTRL DISCHG  
9
1/2 UCC27324  
E/A  
NOTE: Pin 16 is a no connect (N/C) on UCC28220 which does not include the JFET option.  
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.  
ꢉꢤ  
Copyright 2004, Texas Instruments Incorporated  
ꢠ ꢤ ꢡ ꢠꢙ ꢚꢮ ꢜꢛ ꢟ ꢧꢧ ꢥꢟ ꢝ ꢟ ꢞ ꢤ ꢠ ꢤ ꢝ ꢡ ꢩ  
ꢡꢙ  
ꢢꢤ  
1
www.ti.com  

UCC28220DR 替代型号

型号 品牌 替代类型 描述 数据表
UCC28220DRG4 TI

完全替代

INTERLEAVED DUAL PWM CONTROLLER WITH PROGRAMMABLE MAX DUTY CYCLE
UCC28220DG4 TI

完全替代

INTERLEAVED DUAL PWM CONTROLLER WITH PROGRAMMABLE MAX DUTY CYCLE
UCC28220D TI

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