UC3845D8

500kHz PWM Controller, 1A Output, 30V In, 50% Duty, 8-SOIC

Single-ended current mode PWM controller operating up to 500kHz, featuring 50% maximum duty cycle and 8.4V/7.6V UVLO. This integrated circuit supports buck-boost and flyback topologies, with a 1A output current capability and a fixed 5.05V output voltage. Designed for operation between 0°C and 70°C, it requires a supply voltage range of 12V to 30V and exhibits an 11mA input current. Packaged in an 8-SOIC (D) with a 4.9mm length, 3.91mm width, and 1.58mm height, this lead-free and RoHS-compliant component is suitable for power management applications.

Frequency450kHz

PackageD

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Technical Specifications

Texas Instruments UC3845D8 technical specifications.

General

Package/Case	D
Duty Cycle	50%
Fall Time	50ns
Frequency	450kHz
Height	1.58mm
Input Current	11mA
Lead Free	Lead Free
Length	4.9mm
Max Duty Cycle	50%
Max Frequency	500kHz
Max Operating Temperature	70°C
Min Operating Temperature	0°C
Max Supply Voltage	30V
Min Supply Voltage	12V
Number of Outputs	1
Output Current	1A
Output Voltage	5.05V
Package Quantity	75
Packaging	Rail/Tube
Quiescent Current	11mA
Radiation Hardening	No
Reach SVHC Compliant	No
RoHS Compliant	Yes
Topology	Buck-Boost, Flyback
Weight	0.002561oz
Width	3.91mm