UCC2897RTJR

NRND

Texas Instruments

IC REG CTRLR MULT TOPOLOGY 20QFN

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UCC2897RTJR

NRND

Texas Instruments

IC REG CTRLR MULT TOPOLOGY 20QFN

Deep-Dive with AI

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	UCC2897RTJR

Clock Sync	True
Control Features	Enable, On Time Control, Soft Start
Duty Cycle (Max) [Max]	74 %
Frequency - Switching	250 kHz
Function	Step-Up/Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	105 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive, Isolation Capable
Output Phases	1
Output Type	Transistor Driver
Package / Case	20-WFQFN Exposed Pad
Supplier Device Package	20-QFN (4x4)
Synchronous Rectifier	True
Topology	Forward Converter, Flyback
Voltage - Supply (Vcc/Vdd) [Max]	14.5 V
Voltage - Supply (Vcc/Vdd) [Min]	8.5 V

UCC2897A Series

110-V active clamp current mode PWM controller with P-channel clamp FET and line OV protection

Part	Function	Supplier Device Package	Number of Outputs	Mounting Type	Output Configuration	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Package / Case [y]	Package / Case	Package / Case [x]	Operating Temperature [Max]	Operating Temperature [Min]	Frequency - Switching	Control Features	Output Phases	Topology	Duty Cycle (Max) [Max]	Output Type	Voltage - Input [Min]	Voltage - Input [Max]	Current - Output	Utilized IC / Part	Board Type	Outputs and Type	Outputs and Type	Main Purpose	Supplied Contents	Regulator Topology	Voltage - Output
Texas Instruments UCC2897PWR	Step-Up/Step-Down	20-TSSOP	1	Surface Mount	Isolation Capable Positive	8.5 V	14.5 V	4.4 mm	20-TSSOP	0.173 in	105 °C	-40 °C	250 kHz	Enable On Time Control Soft Start	1	Flyback Forward Converter	74 %	Transistor Driver
Texas Instruments UCC2897ARGPT	Step-Up/Step-Down	20-QFN (4x4)	1	Surface Mount	Isolation Capable Positive	8.5 V	16 V		20-VFQFN Exposed Pad		125 ¯C	-40 °C	250 kHz	Current Limit Enable Soft Start	1	Flyback Forward Converter	70 %	Transistor Driver
Texas Instruments UCC2897PWRG4	Step-Up/Step-Down	20-TSSOP	1	Surface Mount	Isolation Capable Positive	8.5 V	14.5 V	4.4 mm	20-TSSOP	0.173 in	105 °C	-40 °C	250 kHz	Enable On Time Control Soft Start	1	Flyback Forward Converter	74 %	Transistor Driver
Texas Instruments UCC2897PWG4	Step-Up/Step-Down	20-TSSOP	1	Surface Mount	Isolation Capable Positive	8.5 V	14.5 V	4.4 mm	20-TSSOP	0.173 in	105 °C	-40 °C	250 kHz	Enable On Time Control Soft Start	1	Flyback Forward Converter	74 %	Transistor Driver
Texas Instruments UCC2897RTJR	Step-Up/Step-Down	20-QFN (4x4)	1	Surface Mount	Isolation Capable Positive	8.5 V	14.5 V		20-WFQFN Exposed Pad		105 °C	-40 °C	250 kHz	Enable On Time Control Soft Start	1	Flyback Forward Converter	74 %	Transistor Driver
Texas Instruments UCC2897ARGPR	Step-Up/Step-Down	20-QFN (4x4)	1	Surface Mount	Isolation Capable Positive	8.5 V	16 V		20-VFQFN Exposed Pad		125 ¯C	-40 °C	250 kHz	Current Limit Enable Soft Start	1	Flyback Forward Converter	70 %	Transistor Driver
Texas Instruments UCC2897RTJT	Step-Up/Step-Down	20-QFN (4x4)	1	Surface Mount	Isolation Capable Positive	8.5 V	14.5 V		20-WFQFN Exposed Pad		105 °C	-40 °C	250 kHz	Enable On Time Control Soft Start	1	Flyback Forward Converter	74 %	Transistor Driver
Texas Instruments UCC2897PW	Step-Up/Step-Down	20-TSSOP	1	Surface Mount	Isolation Capable Positive	8.5 V	14.5 V	4.4 mm	20-TSSOP	0.173 in	105 °C	-40 °C	250 kHz	Enable On Time Control Soft Start	1	Flyback Forward Converter	74 %	Transistor Driver
Texas Instruments UCC2897APWR	Step-Up/Step-Down	20-TSSOP	1	Surface Mount	Isolation Capable Positive	8.5 V	16 V	4.4 mm	20-TSSOP	0.173 in	125 ¯C	-40 °C	250 kHz	Current Limit Enable Soft Start	1	Flyback Forward Converter	70 %	Transistor Driver
Texas Instruments UCC2897AEVM													250 kHz						36 V	72 V	30 A	UCC2897A	Fully Populated	Isolated	1	DC/DC Step Down	Board(s)	Forward Converter	3.3 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tape & Reel (TR)	3000	$ 2.25

Description

General part information

UCC2897A Series

The UCC2897A PWM controller simplifies implementation of the various active clamp or reset and synchronous rectifier switching power topologies.

The UCC2897A is a peak current-mode fixed-frequency high-performance pulse-width modulator. The controller includes the logic and the drive capability for the P-channel auxiliary switch along with a simple method of programming the critical delays for proper active-clamp operation.

Features include an internal programmable slope compensation circuit, precise DMAXlimit, and a synchronizable oscillator with an internal-timing capacitor. An accurate line-monitoring function also programs the ON and OFF transitions of the converter with regard to the bulk input voltage, VIN.

Documents

Technical documentation and resources

No documents available