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UC2525AJ

更新时间： 2024-09-14 03:24:35
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脉冲
页数 文件大小 规格书
9页 440K
描述
Regulating Pulse Width Modulators

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中文翻译

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UC2525AJ 技术参数

生命周期：Active零件包装代码：DIP
包装说明：DIP-16针数：16
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.16Samacsys Confidence：3
Samacsys Status：ReleasedSamacsys PartID：1597029
Samacsys Pin Count：16Samacsys Part Category：Integrated Circuit
Samacsys Package Category：Ceramic Dual-In-Line PackagesSamacsys Footprint Name：J(R-GDIP-T16)
Samacsys Released Date：2020-01-10 06:37:37Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：35 V
最小输入电压：8 V标称输入电压：20 V
JESD-30 代码：R-GDIP-T16长度：19.56 mm
功能数量：1端子数量：16
最高工作温度：85 °C最低工作温度：-25 °C
最大输出电流：0.5 A最大输出电压：5.15 V
最小输出电压：5.05 V标称输出电压：5.1 V
封装主体材料：CERAMIC, GLASS-SEALED封装代码：DIP
封装等效代码：DIP16,.3封装形状：RECTANGULAR
封装形式：IN-LINE峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified座面最大高度：4.57 mm
子类别：Switching Regulator or Controllers表面贴装：NO
切换器配置：PUSH-PULL最大切换频率：400 kHz
技术：BIPOLAR温度等级：OTHER
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：6.92 mmBase Number Matches：1

UC2525AJ 数据手册

 浏览型号UC2525AJ的Datasheet PDF文件第2页浏览型号UC2525AJ的Datasheet PDF文件第3页浏览型号UC2525AJ的Datasheet PDF文件第4页浏览型号UC2525AJ的Datasheet PDF文件第5页浏览型号UC2525AJ的Datasheet PDF文件第6页浏览型号UC2525AJ的Datasheet PDF文件第7页 
UC1525A/27A  
UC2525A/27A  
UC3525A/27A  
Regulating Pulse Width Modulators  
FEATURES  
DESCRIPTION  
• 8 to 35V Operation  
The UC1525A/1527A series of pulse width modulator integrated circuits are de-  
signed to offer improved performance and lowered external parts count when  
used in designing all types of switching power supplies. The on-chip +5.1V ref-  
erence is trimmed to ±1% and the input common-mode range of the error ampli-  
fier includes the reference voltage, eliminating external resistors. A sync input to  
the oscillator allows multiple units to be slaved or a single unit to be synchro-  
nized to an external system clock. A single resistor between the CT and the dis-  
charge terminals provides a wide range of dead-time adjustment. These  
devices also feature built-in soft-start circuitry with only an external timing ca-  
pacitor required. A shutdown terminal controls both the soft-start circuitry and  
the output stages, providing instantaneous turn off through the PWM latch with  
pulsed shutdown, as well as soft-start recycle with longer shutdown commands.  
These functions are also controlled by an undervoltage lockout which keeps the  
outputs off and the soft-start capacitor discharged for sub-normal input volt-  
ages. This lockout circuitry includes approximately 500mV of hysteresis for jit-  
ter-free operation. Another feature of these PWM circuits is a latch following the  
comparator. Once a PWM pulse has been terminated for any reason, the out-  
puts will remain off for the duration of the period. The latch is reset with each  
clock pulse. The output stages are totem-pole designs capable of sourcing or  
sinking in excess of 200mA. The UC1525A output stage features NOR logic,  
giving a LOW output for an OFF state. The UC1527A utilizes OR logic which  
results in a HIGH output level when OFF.  
• 5.1V Reference Trimmed to ±1%  
• 100Hz to 500kHz Oscillator Range  
• Separate Oscillator Sync Terminal  
• Adjustable Deadtime Control  
• Internal Soft-Start  
• Pulse-by-Pulse Shutdown  
• Input Undervoltage Lockout with  
Hysteresis  
• Latching PWM to Prevent Multiple  
Pulses  
• Dual Source/Sink Output Drivers  
BLOCK DIAGRAM  
OSC  
OUT  
VREF  
16  
4
13  
11  
VC  
NOR  
UVLO  
Lockout  
Reference  
Regulator  
+VIN 15  
OUTPUT A  
GROUND 12  
To internal  
circuitry  
SYNC  
RT  
3
6
5
7
Flip  
Flop  
NOR  
OSC  
CT  
14  
OUTPUT B  
DISCHARGE  
UC1525A Output Stage  
13  
11  
VC  
COMP  
R
S
S
OR  
COMPENSATION  
INV INPUT  
9
1
2
8
PWM  
La tch  
Error  
Amp  
VREF  
50 µA  
OUTPUT A  
NI INPUT  
SOFTSTART  
OR  
3 kΩ  
SHUTDOWN 10  
14  
OUTPUT B  
5 kΩ  
UC1527A Output Stage  
SLUS191B - February 1997 - Revised June 2005  
1234567...9

中文翻译

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UC2525AJ 替代型号

型号 品牌 替代类型 描述 数据表
5962-8951103EA TI

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