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5962-8768102XA PDF预览

5962-8768102XA

更新时间: 2024-02-09 08:10:51
品牌 Logo 应用领域
德州仪器 - TI 开关信息通信管理控制器
页数 文件大小 规格书
15页 302K
描述
High Speed PWM Controller

5962-8768102XA 技术参数

生命周期:Obsolete包装说明:,
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
Is Samacsys:N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:20 V最小输入电压:8.8 V
JESD-30 代码:S-CQCC-N20功能数量:1
端子数量:20最高工作温度:125 °C
最低工作温度:-55 °C最大输出电流:2.2 A
封装主体材料:CERAMIC, METAL-SEALED COFIRED封装形状:SQUARE
封装形式:CHIP CARRIER认证状态:Not Qualified
表面贴装:YES切换器配置:PUSH-PULL
最大切换频率:1000 kHz技术:BIPOLAR
温度等级:MILITARY端子形式:NO LEAD
端子位置:QUADBase Number Matches:1

5962-8768102XA 数据手册

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www.ti.com  
SLUS334C − AUGUST 1995 − REVISED AUGUST 2004  
APPLICATION INFORMATION  
The oscillator of the UC3823A, UC3823B, UC3825A, and UC3825B is a saw tooth. The rising edge is governed by a current  
controlled by the RT pin and value of capacitance at the CT pin (C ). The falling edge of the sawtooth sets dead time for  
CT  
the outputs. Selection of RT should be done first, based on desired maximum duty cycle. CT can then be chosen based  
on the desired frequency (RT) and D . The design equations are:  
MAX  
ǒ1.6   DMAXǓ  
3 V  
R +  
C +  
T
T
10 mA   ǒ1 * DMAXǓ  
ǒR   fǓ  
T
(
)
(1)  
Recommended values for R range from 1 kto 100 k. Control of D  
less than 70% is not recommended.  
T
MAX  
UDG−95102  
Figure 1. Oscillator  
OSCILLATOR FREQUENCY  
vs  
MAXIMUM DUTY CYCLE  
vs  
TIMING RESISTANCE  
TIMING RESISTANCE  
100  
95  
10 M  
1 M  
90  
85  
80  
100 k  
10 k  
75  
70  
10 k  
1 k  
10 k  
100 k  
1 k  
100 k  
R
T
− Timing Resistance − W  
R − Timing Resistance − W  
T
Figure 3  
Figure 2  
6

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