UCC2809D-2 ,Power Management IC - TI

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

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136 points

Part No

UCC2809D-2
Manufacturer

TI
ChipWorker Part#

CW21819376
Category

Power Management IC
Package

SOIC-8
Description

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

Datasheet
Ships from

Moscow
Наличие

In Stock
Estimated Price

$ 3.28

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UCC2809D-2 Specifications

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Attribute	Attribute Value

Part Number	UCC2809D-2
Manufacturer	TI
ChipWorker Part#	CW21819376
Category	Power Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Frequency	1 MHz
Supply Voltage (DC)	10.0V (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 %
Output Current (Max)	0.8 A
Maximum Duty Cycle	70 %
Fall Time	18 ns
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	8V ~ 17.5V
Supply Voltage (Max)	15 V
Supply Voltage (Min)	10 V
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Size-Length	4.9 mm
Size-Width	3.91 mm
Size-Height	1.58 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

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Product Description

The UCC3809 family of BCDMOS economy low power integrated circuits 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, a 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 UCC3809 family also features full cycle soft start.
The family has UVLO thresholds and hysteresis levels for off-line and DC-to-DC systems as shown in the table to the left.
The UCC3809 and the UCC2809 are offered in the 8 pin SOIC (D), PDIP (N), TSSOP (PW), and MSOP (P) packages. The small TSSOP and MSOP packages make the device ideal for applications where board space and height are at a premium.

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