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UCC28C43MDREP, UCC28C44, UCC28C44D/1

Table of contents:
Info of UCC28C43MDREP
Info of UCC28C44
Info of UCC28C44D/1

UCC28C43MDREP, UCC28C44, UCC28C44D/1 Selling Leads, Datasheet

MFG:Texas Instruments Category:Integrated Circuits (ICs) Package Cooled:n/a D/C:09+

UCC28C43MDREP, UCC28C44, UCC28C44D/1 Datasheet download

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Part Number: UCC28C43MDREP

Category: Integrated Circuits (ICs)

MFG: Texas Instruments

Package Cooled: n/a

D/C: 09+

Description: IC CURR-MODE PWM CTRLR LP 8-SOIC

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UCC28C43MDREP Parameters

Technical/Catalog Information	UCC28C43MDREP
Vendor	Texas Instruments
Category	Integrated Circuits (ICs)
Packaging	*
Package / Case	*
Power (Watts)	-
Voltage - Input	7.6 ~ 18 V
Voltage - Output	-
Frequency Range	50.5 ~ 57kHz
Operating Temperature	-55°C ~ 125°C
Output Isolation	Isolated
Drawing Number	*
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	UCC28C43MDREP UCC28C43MDREP 296 22538 2 ND 296225382ND 296-22538-2

UCC28C44 Parameters

UCC28C44 Features

Enhanced Replacement for UC3842A Family With Pin-to-Pin Compatibility
1-MHz Operation
50-µA Start-Up Current, 100-µA Maximum
Low Operating Current of 2.3 mA at 52 kHz
Fast 35-ns Cycle-by-Cycle Overcurrent Limiting
±1-A Peak Output Current
Rail-to-Rail Output Swings with 25-ns Rise and 20-ns Fall Times
±1% Initial Trimmed 2.5-V Error Amplifier Reference
Trimmed Oscillator Discharge Current
New Under Voltage Lockout Versions
MSOP-8 Package Minimizes Board Space
APPLICATIONS
- Switch-Mode Power Supplies
- dc-to-dc Converters
- Board Mount Power Modules

UCC28C44 General Description

BiCMOS Low-Power Current Mode PWM Controller

UCC28C44 Maximum Ratings

Supply voltage (V_DD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 V
                         (MAX ICC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 mA
Output current, I_OUT peak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±1 A
Output energy, capacitive load . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 J
Voltage rating (COMP, CS, FB). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 6.3 V
                       (OUT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 20 V
                       (RT/CT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 6.3 V
                       (VREF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Error amplifier output sink current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mA
Total Power Dissipation at T_A = 25°C: D package (_jc = 22 °C/W, _ja = 40 − 70 °C/W) . 650 mW
DGK package (_jc = 41 °C/W, _ja = 238 − 269 °C/W . . . . . .  . . . . . . . . . . . . . . . . . . . . . . .350 mW
P package (_jc = 50 °C/W, _ja = 110 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 850 mW
Operating junction temperature range, T_J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55°C to 150°C
Storage temperature range T_stg . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
Lead Temperature (Soldering, 10 seconds) . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300°C

UCC28C44 Features

Enhanced Replacement for UC3842A Family With Pin-to-Pin Compatibility
1-MHz Operation
50-µA Start-Up Current, 100-µA Maximum
Low Operating Current of 2.3 mA at 52 kHz
Fast 35-ns Cycle-by-Cycle Overcurrent Limiting
±1-A Peak Output Current
Rail-to-Rail Output Swings with 25-ns Rise and 20-ns Fall Times
±1% Initial Trimmed 2.5-V Error Amplifier Reference
Trimmed Oscillator Discharge Current
New Under Voltage Lockout Versions
MSOP-8 Package Minimizes Board Space
APPLICATIONS
- Switch-Mode Power Supplies
- dc-to-dc Converters
- Board Mount Power Modules

UCC28C44 Typical Application

UCC28C44 Datasheet

UCC28C44 Connection Diagram

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