UC3867DW - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

UC3867DW
Manufacturer

TI
ChipWorker Part#

CW36247024
Category

Voltage Regulator
Package

SOIC-16
Description

Voltage Mode PWM Controller 500mA 550kHz 16Pin SOIC Tube
Documentation

Datasheet

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UC3867DW Specifications

Attribute	Attribute Value

Part Number	UC3867DW
Manufacturer	TI
ChipWorker Part#	CW36247024
Category	Voltage Regulator
Documentation	Datasheet
Number of Pins	16 Pin
Case/Package	SOIC-16
Frequency	450 kHz
Supply Voltage (DC)	12.0V (min)
Number of Outputs	2 Output
Output Voltage	1.70 V
Output Current	500 mA
Power Dissipation	1000 mW
Number of Regulated Outputs	2 Output
Rise Time	25 ns
Switching Frequency	550 kHz
Topology	Full-Bridge, Half-Bridge, Push-Pull
Duty Cycle	100 %
Maximum Duty Cycle	50 %
Fall Time	25 ns
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
Power Dissipation (Max)	1000 mW
Supply Voltage	8V ~ 20V
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Size-Height	2.35 mm
Operating Temperature	0℃ ~ 70℃ (TA)
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

DESCRIPTION
The UC1861-1868 family of ICs is optimized for the control of Zero Current Switched and Zero Voltage Switched quasi-resonant converters. Differences between members of this device family result from the various combinations of UVLO thresholds and output options. Additionally, the one-shot pulse steering logic is configured to program either on-time for ZCS systems (UC1865-1868), or off-time for ZVS applications (UC1861-1864).
FEATURES
•Controls Zero Current Switched (ZCS) or Zero Voltage Switched (ZVS) Quasi-Resonant Converters
•Zero-Crossing Terminated One-Shot Timer
•Precision 1%, Soft-Started 5V Reference
•Programmable Restart Delay Following Fault
•Voltage-Controlled Oscillator (VCO) with Programmable Minimum and Maximum Frequencies from 10kHz to 1MHz
•Low Start-Up Current (150µA typical)
•Dual 1 Amp Peak FET Drivers
•UVLO Option for Off-Line or DC/DC Applications

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