UCC383T-3G3

更新时间： 2024-09-25 12:02:03

品牌	Logo	应用领域
德州仪器 - TI		线性稳压器IC 调节器电源电路输出元件信息通信管理局域网
页数	文件大小	规格书
22页	896K
描述
LOW-DROPOUT 3-A LINEAR REGULATOR FAMILY

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中文翻译

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技术参数
数据手册
替代型号

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UCC383T-3G3 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	SFM	包装说明：	TO-220, 3 PIN
针数：	3	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	8.44	Is Samacsys：	N
可调性：	FIXED	最大回动电压 1：	1 V
标称回动电压 1：	0.5 V	最大绝对输入电压：	9 V
最大输入电压：	9 V	最小输入电压：	3.45 V
JESD-30 代码：	R-PSFM-T3	JESD-609代码：	e3
最大电网调整率：	0.007%	最大负载调整率：	0.015%
功能数量：	1	输出次数：	1
端子数量：	3	工作温度TJ-Max：	150 °C
工作温度TJ-Min：	-55 °C	最高工作温度：	70 °C
最低工作温度：		最大输出电流 1：	3 A
最大输出电压 1：	3.58 V	最小输出电压 1：	3.22 V
标称输出电压 1：	3.3 V	封装主体材料：	PLASTIC/EPOXY
封装等效代码：	SIP3,.1TB	封装形状：	RECTANGULAR
封装形式：	FLANGE MOUNT	峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified	调节器类型：	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
子类别：	Other Regulators	表面贴装：	NO
技术：	BICMOS	端子面层：	Matte Tin (Sn)
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	SINGLE	处于峰值回流温度下的最长时间：	NOT SPECIFIED
最大电压容差：	2.4%	Base Number Matches：	1

UCC383T-3G3 数据手册

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SLUS215B − OCTOBER 1998 − REVISED FEBRUARY 2004

TO−263−3 TD PACKAGE

(FRONT VIEW)

TO−263−5 TD PACKAGE

(FRONT VIEW)

Precision Positive Linear Series Pass

Voltage Regulation

VOUT

0.45 V Dropout at 3 A

VOUT

GND

VIN

ADJ

GND

50 mV Dropout at 10 mA

Quiescent Current Under 650 µA

Irrespective of Load

VIN

Adjustable (5-Lead) Output Voltage Version

TO−220−5 T PACKAGE

(FRONT VIEW)

Fixed (3-Lead) Versions for 3.3-V and 5-V

Outputs

VOUT

ADJ

GND

Logic Shutdown Capability

Short-Circuit Power Limit of

(3% × V × I

)

VIN

SHORT

Low V

to V Reverse Leakage

OUT IN

Thermal Shutdown

TO−220−3 T PACKAGE

(FRONT VIEW)

description

VOUT

GND

VIN

The UCC283−3/−5/−ADJ family of positive linear

series pass voltage regulators are tailored for

low-drop-out applications where low quiescent

power is important. Fabricated with a BiCMOS

technology ideally suited for low input-to-output

differential applications, the UCC283−5 passes

3 A while requiring only 0.45 V of typical input

voltage headroom (ensured 0.6-V dropout).

These regulators include reverse voltage sensing that prevents current in the reverse direction. Quiescent

current is always less than 650 µA. These devices have been internally compensated in such a way that the

need for a minimum output capacitor has been eliminated.

UCC283−3 and UCC283−5 versions are in 3-lead packages and have preset outputs at 3.3 V and 5.0 V

respectively. The output voltage is regulated to 1.5% at room temperature. The UCC283−ADJ version, in a

5-lead package, regulates the output voltage programmed by an external resistor ratio.

Short-circuit current is internally limited. The device responds to a sustained overcurrent condition by turning

off after a t

time delay. The device then stays off for a period, t

, that is 32 times the t

delay. The device

OFF

then begins pulsing on and off at the t /(t +t

) duty cycle of 3%. This drastically reduces the power

ON ON OFF

dissipation during short-circuit and means heat sinks need only accommodate normal operation. On the

3-leaded versions of the device t

is fixed at 750 µs, on the adjustable 5-leaded versions an external capacitor

sets the on time. The off time is always 32 × t . The external timing control pin, CT, on the 5-leaded versions

also serves as a shutdown input when pulled low.

Internal power dissipation is further controlled with thermal overload protection circuitry. Thermal shutdown

occurs if the junction temperature exceeds 165°C. The chip remains off until the temperature has dropped 20°C.

The UCC283 series is specified for operation over the industrial range of −40°C to 85°C, and the UCC383 series

is specified from 0°C to 70°C. These devices are available in 3- and 5-pin TO−220 and TO−263 power packages.

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.

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POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...22

中文翻译

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UCC383T-3G3 替代型号

型号	品牌	替代类型	描述	数据表
UCC383T-3	TI	类似代替	LOW DROPOUT 3-A LINEAR REGULATOR FAMILY

与UCC383T-3G3相关器件

型号	品牌	获取价格	描述	数据表
UCC383T-3TR	ETC	获取价格	Positive Fixed Voltage Regulator
UCC383T-5	TI	获取价格	LOW DROPOUT 3-A LINEAR REGULATOR FAMILY
UCC383T-5G3	TI	获取价格	LOW-DROPOUT 3-A LINEAR REGULATOR FAMILY
UCC383T-5TR	ETC	获取价格	Positive Fixed Voltage Regulator
UCC383T-ADJ	TI	获取价格	LOW DROPOUT 3-A LINEAR REGULATOR FAMILY
UCC383T-ADJG3	TI	获取价格	LOW-DROPOUT 3-A LINEAR REGULATOR FAMILY
UCC383T-ADJTR	ETC	获取价格	Positive Adjustable Voltage Regulator
UCC383TD-3	TI	获取价格	LOW DROPOUT 3-A LINEAR REGULATOR FAMILY
UCC383TD-3TR	ETC	获取价格	Positive Fixed Voltage Regulator
UCC383TD-5	TI	获取价格	LOW DROPOUT 3-A LINEAR REGULATOR FAMILY

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