Datasheet > UC1825A-DIE

UC1825A-DIE

更新时间： 2024-11-13 01:10:31

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
5页	148K
描述
RAD-TOLERANT, HIGH-SPEED PWM CONTROLLER

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UC1825A-DIE 数据手册

UC1825A-DIE

www.ti.com

SLUSBL3 –JUNE 2013

RAD-TOLERANT, HIGH-SPEED PWM CONTROLLER

Check for Samples: UC1825A-DIE

FEATURES

(1)

•

Rad-Tolerant: 30 kRad (Si) TID

•

50-ns Propagation Delay to Output

High-Current Dual Totem Pole Outputs

•

Compatible With Voltage-Mode or Current-

Mode Control Methods

Trimmed Oscillator Discharge Current

Low 100-μA Startup Current

•

Practical Operation at Switching Frequencies

Pulse-by-Pulse Current Limiting Comparator

(1) Radiation tolerance is a typical value based upon initial device

qualification with dose rate = 10 mrad/sec. Radiation Lot

Acceptance Testing is available - contact factory for details.

Latched Overcurrent Comparator With Full

Cycle Restart

DESCRIPTION

The UC1825A-DIE PWM controller is an improved version of the standard UC1825 family. Performance

enhancements have been made to several of the circuit blocks. Error amplifier gain bandwidth product is

12 MHz, while input offset voltage is 2 mV. Current limit threshold is assured to a tolerance of 5%. Oscillator

discharge current is specified at 10 mA for accurate dead time control. Frequency accuracy is improved to 6%.

Startup supply current, typically 100 μA, is ideal for off-line applications. The output drivers are redesigned to

actively sink current during UVLO at no expense to the startup current specification. In addition each output is

capable of 2-A peak currents during transitions.

ORDERING INFORMATION⁽¹⁾

PACKAGE

DESIGNATOR

PRODUCT

PACKAGE

ORDERABLE PART NUMBER

PACKAGE QUANTITY

UC1825AVTD1

UC1825AVTD2

UC1825A

Bare die in waffle pack⁽²⁾

(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

web site at www.ti.com.

(2) Processing is per the Texas Instruments space production baseline and is in compliance with the Texas Instruments Quality Control

System in effect at the time of manufacture. Electrical screening consists of DC parametric and functional testing at room temperature

only. Unless otherwise specified by Texas Instruments AC performance and performance over temperature is not warranted. Visual

Inspection is performed in accordance with MIL-STD-883 Test Method 2010 Condition B at 75X minimum.

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.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5

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与UC1825A-DIE相关器件

型号	品牌	获取价格	描述	数据表
UC1825A-DIE_15	TI	获取价格	RAD-TOLERANT, HIGH-SPEED PWM CONTROLLER
UC1825ADW	ETC	获取价格	Current/Voltage-Mode SMPS Controller
UC1825ADWTR	ETC	获取价格	Current/Voltage-Mode SMPS Controller
UC1825AJ	TI	获取价格	High Speed PWM Controller
UC1825AJ883B	TI	获取价格	High Speed PWM Controller
UC1825AJQMLV	TI	获取价格	High Speed PWM Controller
UC1825AL	TI	获取价格	High Speed PWM Controller
UC1825AL/883BC	TI	获取价格	Switching Controller, Current-mode, 2.2A, 1000kHz Switching Freq-Max, BIPolar, CQCC20,
UC1825AL883B	TI	获取价格	High Speed PWM Controller
UC1825ALP/883BC	TI	获取价格	Switching Controller, Current-mode, 2.2A, 1000kHz Switching Freq-Max, BIPolar, CQCC20,

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