Datasheet > UC382TD-1

UC382TD-1

更新时间： 2024-11-03 22:12:43

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
13页	270K
描述
FAST LDO LINEAR REGULATOR

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中文翻译

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数据手册
替代型号

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UC382TD-1 数据手册

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SLUS317B − JANUARY 2000 − REVISED FEBRUARY 2004

5-PIN TO-220

Fast Transient Response

T PACKAGE (TOP VIEW)

10-mA to 3-A Load Current

Short Circuit Protection

Maximum Dropout of 450-mV at 3-A Load

Current

Separate Bias and VIN Pins

Available in Adjustable or Fixed-Output

Voltages

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 UC382 is a low-dropout-linear regulator providing a quick response to fast load changes. Combined with

its precision onboard reference, the UC382 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 450 mV maximum at 100°C and 350 mV typical at 3-A load.

The onboard bandgap reference is stable with temperature and scaled for a 1.2-V input to the internal-power

amplifier. The UC382 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

UC382−ADJ

OPEN

2 k

UC382−1 (1.5 V)

UC382−2 (2.1 V)

UC382−3 (2.5 V)

500

1.5 k

Ω

2 k

2.16 k

THERMAL

SHUTDOWN

VIN

1.2 V

BANDGAP

REFERENCE

SHORT

CIRCUIT

SENSE

GND

ADJ

VOUT

UDG-00080

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...13

中文翻译

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UC382TD-1 替代型号

型号	品牌	替代类型	描述	数据表
UC282TD-1	TI	类似代替	FAST LDO LINEAR REGULATOR
UC282TDTR-1	TI	功能相似	FAST LDO LINEAR REGULATOR
UC382TDKTTT-1	TI	功能相似	FAST LDO LINEAR REGULATOR

与UC382TD-1相关器件

型号	品牌	获取价格	描述	数据表
UC382TD-2	TI	获取价格	FAST LDO LINEAR REGULATOR
UC382TD-2	ROCHESTER	获取价格	2.1V FIXED POSITIVE LDO REGULATOR, 0.45V DROPOUT, PSSO5, PLASTIC, TO-263, D2PAK-5
UC382TD-3	TI	获取价格	FAST LDO LINEAR REGULATOR
UC382TD-ADJ	TI	获取价格	FAST LDO LINEAR REGULATOR
UC382TDKTTT-1	TI	获取价格	FAST LDO LINEAR REGULATOR
UC382TDKTTT-1	ROCHESTER	获取价格	1.5V FIXED POSITIVE LDO REGULATOR, 0.45V DROPOUT, PSSO5, GREEN, PLASTIC, TO-263, D2PAK-5
UC382TDKTTT-1G3	TI	获取价格	FAST LDO LINEAR REGULATOR
UC382TDKTTT-2	TI	获取价格	FAST LDO LINEAR REGULATOR
UC382TDKTTT-2	ROCHESTER	获取价格	2.1V FIXED POSITIVE LDO REGULATOR, 0.45V DROPOUT, PSSO5, GREEN, PLASTIC, TO-263, D2PAK-5
UC382TDKTTT-2G3	TI	获取价格	FAST LDO LINEAR REGULATOR

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