UCC2809D-1 ,Voltage Regulator - TI

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

Popularity Score

135 points

Part No

UCC2809D-1
Manufacturer

TI
ChipWorker Part#

CW27644092
Category

Voltage Regulator
Package

SOIC-8
Description

Economy Primary Side PWM Controller 1MHz 1Out 8Pin SOIC Tube
Documentation

Datasheet
Ships from

Moscow
Наличие

In Stock
Estimated Price

$ 3.72

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UCC2809D-1 Specifications

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Attribute	Attribute Value

Part Number	UCC2809D-1
Manufacturer	TI
ChipWorker Part#	CW27644092
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Frequency	1 MHz
Supply Voltage (DC)	8.00V (min)
Number of Outputs	1 Output
Output Voltage	800 mV
Output Current	80 mA
Number of Positions	8 Position
Number of Regulated Outputs	1 Output
Rise Time	35 ns
Switching Frequency	1000 kHz
Thermal Shutdown	No
Topology	Boost, Flyback, Forward
Duty Cycle	70 %
Maximum Duty Cycle	70 %
Fall Time	18 ns
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	8V ~ 17.5V
Supply Voltage (Max)	17.5 V
Supply Voltage (Min)	8 V
	expand all
Size-Length	4.9 mm
Size-Width	3.91 mm
Size-Height	1.58 mm
Operating Temperature	-55℃ ~ 150℃ (TJ)
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

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Product Description

The UCC2809D-1 is a BCDMOS low power economy primary side Pulse Width Modulation (PWM) Controller contains all the control and drive circuitry required for off-line and isolated DC to DC fixed frequency current-mode switching power supplies with minimal external parts count. Internally implemented circuits include undervoltage lockout featuring startup current less than 100µA, user accessible voltage reference, logic to ensure latched operation, a PWM comparator and a totem pole output stage to sink or source peak current. The output stage, suitable for driving N-channel MOSFETs, is low in the off state. Oscillator frequency and maximum duty cycle are programmed with two resistors and a capacitor. The family has UVLO thresholds and hysteresis levels for off-line and DC-to-DC systems as shown in the table to the left.
User programmable soft start with active low shutdown
User programmable maximum duty cycle
Accessible 5V Reference
Undervoltage lockout
Low 100µA Startup current
Green product and no Sb/Br

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