Datasheet > UCC2813-2-Q1

UCC2813-2-Q1

更新时间： 2024-11-28 11:10:07

品牌	Logo	应用领域
德州仪器 - TI		控制器
页数	文件大小	规格书
46页	2490K
描述
具有 12.5V/8.3V UVLO 和 100% 占空比的汽车类经济型 1MHz 电流模式 PWM 控制器

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UCC2813-0-Q1, UCC2813-1-Q1, UCC2813-2-Q1, UCC2813-3-Q1

UCC2813-4-Q1, UCC2813-5-Q1

SGLS245E –MAY 2020–REVISED MAY 2020

UCC2813-x-Q1 Low-Power Economy BiCMOS Current-Mode PWM

1 Features

3 Description

The UCC2813-x-Q1 device family of high-speed, low-

power integrated circuits contains all of the control

and drive components required for off-line and DC-to-

DC fixed-frequency current-mode switching power

supplies with minimal parts count.

•

Qualified for automotive applications

AEC-Q100 qualified with the following results:

–

Device temperature grade 1: –40°C to 125°C

T_A

–

Device HBM classification level 2: ±2 kV

These devices have the same pin configuration as

the UC284x device family, and also offer the added

features of internal full-cycle soft start and internal

leading-edge blanking of the current-sense input.

Device CDM classification level C5: >1000 V

•

100-µA typical starting supply current

500-µA typical operating supply current

Operation to 1 MHz

The UCC2813-x-Q1 device family offers a variety of

package options, choice of maximum duty cycle, and

choice of critical voltage levels. Devices with lower

reference voltage such as the UCC2813-3-Q1 and

UCC2813-5-Q1 fit best into battery operated systems,

while the higher reference and the higher UVLO

hysteresis of the UCC2813-2-Q1 device and

UCC2813-4-Q1 device make these ideal choices for

use in off-line power supplies.

Internal soft start

Internal fault soft start

Internal leading-edge blanking of the current-

sense signal

•

1-A totem-pole output

70-ns typical response from current-sense to gate-

drive output

The UCC2813-x-Q1 device series is specified for

operation from –40°C to 125°C.

•

1.5% tolerance voltage reference

Same pinout as the UCC3802 device, UC3842

device, and UC3842A device families

Device Information⁽¹⁾

PART NUMBER

PACKAGE

SOIC (8)

TSSOP (8)

BODY SIZE (NOM)

3.91 mm × 4.90 mm

4.40 mm × 3.00 mm

2 Applications

UCC2813-x-Q1

•

Automotive power supplies

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Auxiliary power supply for automotive hybrid and

electric vehicles

•

AC and DC power supplies

Block Diagram

COMP

VCC

UCCx813-1

UCCx813-4

UCCx813-5

Only

Leading Edge

Blanking

1.5 V

VCC

REF/2

Over Current

Oscillator

OUT

4 V

Voltage

Reference

PWM

Latch

13.5 V

REF

0.5 V

Full Cycle

Soft Start

Logic

Power

τ=4ms

GND

REF

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...46

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UCC2813-2-Q1 替代型号

型号	品牌	替代类型	描述	数据表
UCC2813-1-Q1	TI	功能相似	具有 9.4V/7.4V UVLO 和 50% 占空比的汽车类经济型单端 1MHz 电流模
UCC2813-0-Q1	TI	功能相似	LOW-POWER BICMOS CURRENT-MODE PWM

与UCC2813-2-Q1相关器件

型号	品牌	获取价格	描述	数据表
UCC2813-2QDRQ1	TI	获取价格	LOW-POWER BICMOS CURRENT-MODE PWM
UCC2813-3	TI	获取价格	Low Power Economy BiCMOS Current Mode PWM
UCC2813-3-Q1	TI	获取价格	具有 4.1V/3.6V UVLO 和 100% 占空比的汽车类经济型单端 1MHz 电流
UCC2813-3QDRQ1	TI	获取价格	LOW-POWER BICMOS CURRENT-MODE PWM
UCC2813-4	TI	获取价格	Low Power Economy BiCMOS Current Mode PWM
UCC2813-4-Q1	TI	获取价格	具有 12.5V/8.3V UVLO 和 50% 占空比的汽车类经济型 1MHz 电流模式
UCC2813-4QDRQ1	TI	获取价格	LOW-POWER BICMOS CURRENT-MODE PWM
UCC2813-5	TI	获取价格	LOW-POWER BICMOS CURRENT-MODE PWM
UCC2813-5-Q1	TI	获取价格	具有 4.1V/3.6V UVLO 和 50% 占空比的汽车类经济型单端 1MHz 电流模
UCC2813-5QDRQ1	TI	获取价格	LOW-POWER BICMOS CURRENT-MODE PWM

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