Texas Instruments UCC38C55DR DC DC Switching Controllers

Name: UCC38C55DR
Brand: Texas Instruments
SKU: UCC38C55DR

Commercial, 30-V, low-power current-mode PWM controller, 8.4-V/7.6-V UVLO, 50% duty cycle

7,500 ActiveTexas Instruments8-SOIC (0.154, 3.90mm Width)RoHS

Same model may have multiple batches, images only for reference.

UCC38C55DR

Manufacturer

Texas Instruments

Part Number (MPN)

UCC38C55DR

Technical Specifications

Texas Instruments UCC38C55DR DC DC Switching Controllers technical specifications.

General

Series

UCCx8C5x

Package / Case

8-SOIC

Operating Temperature

0°C ~ 85°C (TA)

Supply Voltage

7.6V ~ 28V

Functions

Step-Up, Step-Down, Step-Up/Step-Down

Topology

Boost, Buck, Flyback, Forward, SEPIC

Output Type

Transistor Driver

Numberof Outputs

Control Features

Current Limit, Dead Time Control, Frequency Control, Soft Start

Switching Frequency

1MHz

Alternate Parts Comparison (UCC38C55DR vs UCC38C41DRG4 vs UCC28C43DRG4 vs UCC28C53DR)

Side-by-side technical parameter comparison of related primary models in this product family.

	This Part	Alternate Parts	Alternate Parts	Alternate Parts
	Texas InstrumentsUCC38C55DR	Texas InstrumentsUCC38C41DRG4	Texas InstrumentsUCC28C43DRG4	Texas InstrumentsUCC28C53DR
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Operating Temperature	0°C ~ 85°C (TA)	0°C ~ 70°C (TJ)	-40°C ~ 105°C (TJ)	-40°C ~ 125°C (TJ)
Supply Voltage	7.6V ~ 28V	6.6V ~ 18V	7.6V ~ 18V	30V
Switching Frequency	1MHz	Up to 1MHz	Up to 1MHz	1MHz
Clock Sync	Yes	No	No	Yes
Control Features	Current Limit, Dead Time Control, Frequency Control, Soft Start	Frequency Control	Frequency Control	Current Limit, Dead Time Control, Enable, Frequency Control, Soft Start
Duty Cycle Max	50%	48%	96%	100%
Functions	Step-Up, Step-Down, Step-Up/Step-Down	Step-Up, Step-Up/Step-Down	Step-Up, Step-Up/Step-Down	Step-Up, Step-Down, Step-Up/Step-Down
Numberof Outputs	1	1	1	1
Output Configuration	Positive	Positive	Positive	Positive
Output Phases	1	1	1	1
Output Type	Transistor Driver	Transistor Driver	Transistor Driver	Transistor Driver
Action	RFQ	RFQ	RFQ	RFQ

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