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UCC284DPTR-5G4 PDF预览

UCC284DPTR-5G4

更新时间： 2024-11-13 04:02:07
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
17页 291K
描述
LOW-DROPOUT 0.5-A NEGATIVE LINEAR REGULATOR

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UCC284DPTR-5G4 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP, SOP8,.25针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.17
可调性：FIXED最大回动电压 1：0.2 V
标称回动电压 1：0.2 V最大绝对输入电压：16 V
最大输入电压：15 V最小输入电压：5.2 V
JESD-30 代码：R-PDSO-G8JESD-609代码：e4
长度：4.9 mm最大负载调整率：0.0125%
湿度敏感等级：2功能数量：1
输出次数：1端子数量：8
工作温度TJ-Max：150 °C工作温度TJ-Min：-55 °C
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流 1：0.5 A最大输出电压 1：5.1 V
最小输出电压 1：4.85 V标称输出电压 1：5 V
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE包装方法：TAPE AND REEL
峰值回流温度（摄氏度）：260认证状态：Not Qualified
调节器类型：FIXED NEGATIVE SINGLE OUTPUT LDO REGULATOR座面最大高度：1.75 mm
子类别：Other Regulators表面贴装：YES
技术：BCDMOS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
最大电压容差：3%宽度：3.9 mm
Base Number Matches：1

UCC284DPTR-5G4 数据手册

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UCC284–5, UCC284–12, UCC284–ADJ, UCC384–5, UCC384–12, UCC384–ADJ  
LOW-DROPOUT 0.5-A NEGATIVE LINEAR REGULATOR  
SLUS234D – JANUARY 2000 – REVISED FEBRUARY 2002  
DP PACKAGE  
(FRONT VIEW)  
D
Precision Negative Series Pass Voltage  
Regulation  
D
D
D
D
D
D
0.2 V Dropout at 0.5 A  
VOUTS 1  
8
SD/CT  
VIN  
Wide Input Voltage Range –3.2 V to –15 V  
Low Quiescent Current Irrespective of Load  
Simple Logic Shutdown Interfacing  
–5 V, –12 V, and Adjustable Output  
2.5% Duty Cycle Short Circuit Protection  
2
3
4
7
6
5
VIN  
VIN  
VIN  
VOUT  
GND  
description  
The UCC384-x family of negative linear-series pass regulators is tailored for low-dropout applications where  
low-quiescent power is important. Fabricated with a BCDMOS technology ideally suited for low input-to-output  
differential applications, the UCC384-x passes 0.5 A while requiring only 0.2 V of input-voltage headroom.  
Dropout voltage decreases linearly with output current, so that dropout at 50 mA is less than 20 mV.  
Quiescent current consumption for the device under normal (non-dropout) conditions is typically 200 µA. An  
integrated charge pump is internally enabled only when the device is operating near dropout with low VIN. This  
ensured that the device meets the dropout specifications even for maximum load current and a VIN of –3.2 V  
with only a modest increase in quiescent current. Quiescent current is always less than 350 µA, with the charge  
pump enabled. The quiescent current of the UCC384 does not increase with load current.  
Short-circuit current is internally limited. The device responds to a sustained overcurrent condition by turning  
off after a t  
beginspulsingonandoffatthet /t  
delay. The device then stays off for a period, t  
, that is 40 times the t  
delay. The device then  
ON  
OFF  
ON  
dutycycleof2.5%.Thisdrasticallyreducesthepowerdissipationduring  
ON OFF  
short circuit such that heat sinking, if at all required, must only accommodate normal operation. An external  
capacitor sets the on time. The off time is always 40 times t  
.
ON  
The UCCx84-x can be shutdown to 45 µA (maximum) by pulling the SD/CT pin more positive than –0.7 V. To  
allow for simpler interfacing, the SD/CT pin may be pulled up to 6 V above the ground pin without turning on  
clamping diodes.  
Internal power dissipation is further controlled with thermal-overload protection circuitry. Thermal shutdown  
occurs if the junction temperature exceeds 140°C. The chip remains off until the temperature has dropped 20°C  
(T = 120°C).  
J
AVAILABLE OPTIONS  
OUTPUT VOLTAGE (V)  
PACKAGE DEVICES  
(SOIC) DP  
T
A
TYP  
–5  
UCC284DP–5  
–12  
ADJ  
–5  
UCC284DP–12  
UCC284DP–ADJ  
UCC384DP–5  
–40°C to 85°C  
0°C to 70°C  
–12  
ADJ  
UCC384DP–12  
UCC384DP–ADJ  
†
All package types are available taped and reeled. Add TR suffix to device type  
(e.g. UCC284DP–5TR) to order quantities of 3000 devices per reel.  
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.  
Copyright 2000, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...17

中文翻译

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UCC284DPTR-5G4 替代型号

型号 品牌 替代类型 描述 数据表
UCC284DPTR-5 TI

完全替代

 LOW-DROPOUT 0.5-A NEGATIVE LINEAR REGULATOR
UCC384DP-5 TI

类似代替

 LOW-DROPOUT 0.5-A NEGATIVE LINEAR REGULATOR
UCC284DP-5 TI

类似代替

 LOW-DROPOUT 0.5-A NEGATIVE LINEAR REGULATOR

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