Datasheet > UC3838ADP

UC3838ADP

更新时间： 2024-09-10 21:22:11

品牌	Logo	应用领域
德州仪器 - TI		光电二极管
页数	文件大小	规格书
5页	270K
描述
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16, POWER, SOIC-16

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技术参数
数据手册

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UC3838ADP 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	SOIC	包装说明：	SOP,
针数：	16	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.64	Is Samacsys：	N
模拟集成电路 - 其他类型：	ANALOG CIRCUIT	JESD-30 代码：	R-PDSO-G16
长度：	9.89 mm	功能数量：	1
端子数量：	16	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified	座面最大高度：	1.75 mm
表面贴装：	YES	温度等级：	COMMERCIAL
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
宽度：	3.9 mm	Base Number Matches：	1

UC3838ADP 数据手册

UC1838A

UC2838A

UC3838A

Magnetic Amplifier Controller

FEATURES

DESCRIPTION

• Independent 1% Reference

The UC1838A family of magnetic amplifier controllers contains the circuitry to gen-

erate and amplify a low-level analog error signal along with a high volt-

age-compliant current source. This source will provide the reset current necessary

to enable a magnetic amplifier to regulate and control a power supply output in the

range of 2A to 20A.

• Two Uncommitted, Identical

Operational Amplifiers

• 100mA Reset Current Source

with –120V Capability

By controlling the reset current to a magnetic amplifier, this device will define the

amount of volt-seconds the magnetic amplifier will block before switching to the

conducting state. Magnetic amplifiers are ideal for post-regulators for multi-

ple-output power supplies where each output can be independently controlled with

efficiencies up to 99%. With a square or pulse-width-modulated input voltage, a

magnetic amplifier will block a portion of this input waveform, allowing just enough

to pass to provide a regulated output. With the UC1838A, only the magnetic ampli-

fier coil, three diodes, and an output L-C filter are necessary to implement a com-

plete closed-loop regulator.

• 5V to 40V Analog Operation

• 5W DIL Package

The UC1838A contains a precision 2.5V reference, two uncommitted high-gain op

amps and a high-gain PNP-equivalent current source which can deliver up to

100mA of magnetic amplifier reset current and with –120 volt capability.

These devices are available in a plastic “bat-wing” DIP for operation over a –20°C

to +85°C temperature range and, with reduced power, in a hermetically sealed

cerdip for –55°C to +125°C operation. Surface mount versions are also available.

This improved “A” version replaced the non “A” version formerly introduced.

BLOCK DIAGRAM

VCC 10

2.5V

REFERENCE

VREF

11 VM

INV. IN

3.5V

E/A

N.I. IN

E/A OUT

INV. IN

14 RESET

15 DR 1

16 DR 2

C/L

N.I. IN

C/L OUT

GND GND GND GND

UDG-97174

04/99

12 3 4 5

中文翻译

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与UC3838ADP相关器件

型号	品牌	获取价格	描述	数据表
UC3838ADPTR	TI	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16, POWER, SOIC-16, Power Management Circuit
UC3838ADWTRG4	TI	获取价格	IC,MAGNETIC AMPLIFIER CONTROLLER,BIPOLAR,SOP,16PIN
UC3838AN	TI	获取价格	SPECIALTY ANALOG CIRCUIT, PDIP16
UC3838ANG4	TI	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP16, PLASTIC, DIP-16
UC3838AQ	ETC	获取价格	MAGNETIC AMPLIFIER CONTROLLER
UC3838DW	TI	获取价格	SPECIALTY ANALOG CIRCUIT, PDSO16, SOIC-16
UC3838DWTR	TI	获取价格	IC,MAGNETIC AMPLIFIER CONTROLLER,BIPOLAR,SOP,16PIN
UC3838N	TI	获取价格	SPECIALTY ANALOG CIRCUIT, PDIP16, PLASTIC, DIP-16
UC3838QTR	TI	获取价格	IC,MAGNETIC AMPLIFIER CONTROLLER,BIPOLAR,LDCC,20PIN
UC383DW	TI	获取价格	UC383DW

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