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UC385T-ADJ PDF预览

UC385T-ADJ

更新时间: 2024-11-22 22:23:59
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德州仪器 - TI 线性稳压器IC调节器电源电路输出元件局域网
页数 文件大小 规格书
13页 264K
描述
FAST TRANSIENT REPONSE 5-A LOW-DROPOUT REGULATOR

UC385T-ADJ 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:SFM
包装说明:TO-220, 5 PIN针数:3
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:1.18Is Samacsys:N
可调性:ADJUSTABLE最大回动电压 1:0.49 V
标称回动电压 1:0.35 V最大输入电压:7.5 V
最小输入电压:1.7 V最大差分输入-输出电压:7.5 V
JESD-30 代码:R-PSFM-T5JESD-609代码:e3
长度:10.16 mm最大负载调整率 (%):0.33%
功能数量:1输出次数:1
端子数量:5工作温度TJ-Max:100 °C
工作温度TJ-Min:最高工作温度:100 °C
最低工作温度:最大输出电流 1:5 A
最大输出电压 1:6 V最小输出电压 1:1.2 V
封装主体材料:PLASTIC/EPOXY封装代码:TO-220
封装等效代码:SIP5,.1,67TB封装形状:RECTANGULAR
封装形式:FLANGE MOUNT包装方法:TUBE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
调节器类型:ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度:4.7 mm
子类别:Other Regulators表面贴装:NO
技术:BIPOLAR端子面层:Matte Tin (Sn)
端子形式:THROUGH-HOLE端子节距:1.7 mm
端子位置:SINGLE处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:8.51 mmBase Number Matches:1

UC385T-ADJ 数据手册

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ꢌꢉꢍ ꢎ ꢎ ꢏꢉꢐꢍ ꢑꢒꢐ ꢎ ꢏꢒ ꢍꢓꢔ ꢐ ꢍꢒ ꢄꢅ ꢉ  
ꢕ ꢔꢖꢅꢊꢏꢔ ꢓ ꢔꢀꢎ ꢏꢒꢗ ꢀ ꢕꢉꢎꢔ ꢏ  
SLUS212E − NOVEMBER 1999 − REVISED FEBRUARY 2004  
5-PIN TO-220  
D
Fast Transient Response  
T PACKAGE (TOP VIEW)  
D
D
D
10-mA to 5-A Load Current  
Short Circuit Protection  
Maximum Dropout of 500-mV at 5-A Load  
Current  
D
Separate Bias (VB) and VIN Pins  
D
Available in Adjustable or Fixed Output  
Voltages  
D
D
5-Pin Package Allows Kelvin Sensing of  
Load Voltage  
5-PIN TO-263  
TD PACKAGE  
(TOP VIEW)  
Reverse Current Protection  
Note: Tab = Ground  
description  
The UC385 is a low dropout linear regulator providing a quick response to fast load changes. Combined with  
its precision onboard reference, the UC385 excels at driving GTL and BTL buses. Due to its fast response to  
load transients, the total capacitance required to decouple the regulator’s output can be significantly decreased  
when compared to standard LDO linear regulators.  
Dropout voltage (VIN to VOUT) is only 490 mV maximum and 350 mV typical at 5-A load (0°C to 100°C).  
The onboard bandgap reference is stable with temperature and scaled for a 1.2 V input to the internal power  
amplifier. The UC385 is available in fixed output voltages of 1.5 V, 2.1 V, or 2.5 V. The output voltage of the  
adjustable version can be set with two external resistors. If the external resistors are omitted, the output voltage  
defaults to 1.2 V.  
block diagram  
VB  
1
R1  
R2  
UC382−ADJ  
OPEN  
2 kΩ  
2 kΩ  
0
UC382−1 (1.5 V)  
UC382−2 (2.1 V)  
UC382−3 (2.5 V)  
500 Ω  
1.5 k  
2.16 k  
2 k  
THERMAL  
SHUTDOWN  
2
VIN  
1.2 V  
BANDGAP  
REFERENCE  
+
SHORT  
CIRCUIT  
SENSE  
R2  
R1  
3
5
4
GND  
ADJ  
VOUT  
UDG-00084  
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.  
All trademarks are the property of their respective owners.  
ꢎꢤ  
Copyright 1998−2004, Texas Instruments Incorporated  
ꢠ ꢤ ꢡ ꢠꢙ ꢚꢮ ꢜꢛ ꢟ ꢧꢧ ꢥꢟ ꢝ ꢟ ꢞ ꢤ ꢠ ꢤ ꢝ ꢡ ꢩ  
ꢡꢙ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

UC385T-ADJ 替代型号

型号 品牌 替代类型 描述 数据表
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