UCC3804N - TI

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

Part No

UCC3804N
Manufacturer

TI
ChipWorker Part#

CW13017522
Category

PWM Controller IC
Package

DIP-8
Description

Current Mode PWM Controller 1A 1000kHz 8Pin PDIP Tube
Documentation

Datasheet

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UCC3804N Specifications

Attribute	Attribute Value

Part Number	UCC3804N
Manufacturer	TI
ChipWorker Part#	CW13017522
Category	PWM Controller IC
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	8 Pin
Case/Package	DIP-8
Frequency	1 MHz
Supply Voltage (DC)	0.00V(min), 10.0V(max)
Number of Outputs	1 Output
Output Voltage	5.075 V
Output Current	1 A
Supply Current	500 µA
Number of Positions	8 Position
Power Dissipation	1 W
Number of Regulated Outputs	1 Output
Rise Time	41 ns
Switching Frequency	1000 kHz
Topology	Buck, Boost, Flyback, Forward
Duty Cycle	50 %
Input Voltage (Max)	2.56 V
Maximum Duty Cycle	50 %
Fall Time	44 ns
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
Power Dissipation (Max)	1000 mW
Supply Voltage	8.3V ~ 12V
Supply Voltage (Max)	10 V
Supply Voltage (Min)	0 V
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Size-Length	9.81 mm
Size-Width	6.35 mm
Size-Height	4.57 mm
Operating Temperature	0℃ ~ 70℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

Product Description

The UCC3804N is a low-power BiCMOS current-mode Pulse Width Modulation (PWM) Controller contains all of the control and drive components required for off-line and DC to DC fixed frequency current-mode switching power supplies with minimal parts count. It offers the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input. It contains digital current sense filtering, which disconnects the CS terminal from the current sense comparator during the 100ns interval immediately following the rising edge of the OUT pin. This digital filtering, also called leading-edge blanking, means that in most applications, no analog filtering (RC filter) is required on CS. Compared to an external RC filter technique, the leading-edge blanking provides a smaller effective CS to OUT propagation delay.
Internal soft start
Internal fault soft start
Internal leading-edge blanking of the current sense signal
70ns Typical response from current-sense to gate-drive output
1.5% Tolerance voltage reference
Green product and no Sb/Br

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