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UCC2920 PDF预览

UCC2920

更新时间: 2024-01-22 00:03:48
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
7页 251K
描述
–3V to –15V Hot Swap Power Manager

UCC2920 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:DIP
包装说明:DIP, DIP16,.3针数:16
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.8
可调阈值:NO模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码:R-PDIP-T16长度:19.305 mm
信道数量:1功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
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电源:5,-12 V
认证状态:Not Qualified座面最大高度:5.08 mm
子类别:Power Management Circuits最大供电电流 (Isup):2 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):3 V
标称供电电压 (Vsup):5 V表面贴装:NO
技术:BICMOS温度等级:INDUSTRIAL
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:7.62 mmBase Number Matches:1

UCC2920 数据手册

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UCC2920  
UCC3920  
TYPICAL APPLICATION  
UDG-96236-1  
Note 1: Most applications will require a capacitor mounted between VOUT and GND at the IC pins to cancel out stray inductance.  
UDG-96237  
Estimating Maximum Load Capacitance  
For a worst-case constant-current load of value just  
less than the trip limit; COUT(max) can be estimated  
from:  
For power management applications, the rate at which  
the total output capacitance can be charged depends  
on the maximum output current available and the na-  
ture of the load. For a constant-current current-limited  
circuit, the output will rise if the load asks for less than  
the maximum available short-circuit current.  
3
28 10 CT  
COUT  
(max) ≈ ( MAX LOAD) •  
I
I
VOUT  
Where VOUT is the output voltage.  
For a resistive load of value RI, the value of COUT(max)  
can be estimated from:  
To guarantee duty-cycle recovery of the current-limited  
power manager from a short-circuited load condition,  
there is a maximum total output capacitance which can  
be charged for a given unit ON time (Fault time). The  
design value of ON or Fault time can be adjusted by  
changing the timing capacitor CT.  
3
28 10 CT  
COUT  
(max) ≈  
1
VOUT  
RL ln  
1 −  
IMAX RL  
4

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