UC2842AD8 - TI

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

Part No

UC2842AD8
Manufacturer

TI
ChipWorker Part#

CW9135536
Category

PWM Controller IC
Package

SOIC-8
Description

TEXAS INSTRUMENTS UC2842AD8 PWM Controller, 12V-25V supply, 500kHz, 15V/200mA out, SOIC-8
Documentation

Datasheet

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UC2842AD8 Specifications

Attribute	Attribute Value

Part Number	UC2842AD8
Manufacturer	TI
ChipWorker Part#	CW9135536
Category	PWM Controller IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Frequency	500 kHz
Supply Voltage (DC)	12.0V (min)
Number of Outputs	1 Output
Input Voltage (DC)	25.0 V
Output Voltage	15 V
Output Current	200 mA
Number of Regulated Outputs	1 Output
Rise Time	50 ns
Switching Frequency	500kHz (MAX)
Topology	Boost, Flyback, Forward
Duty Cycle	96 %
Maximum Duty Cycle	100 %
Fall Time	50 ns
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	10V ~ 30V
Supply Voltage (Max)	25 V
Supply Voltage (Min)	12 V
Input Voltage	25 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

Product Description

**Description**
The UC1842A/3A/4A/5A family of control ICs is a pin for pin compatible improved version of the UC3842/3/4/5 family. Providing the necessary features to control current mode switched mode power supplies, this family has the following improved features. Start up current is guaranteed to be less than 0.5mA. Oscillator discharge is trimmed to 8.3mA. During under voltage lockout, the output stage can sink at least 10mA at less than 1.2V for VCC over 5V.
**Features**
Optimized for Off-line and DC to DC Converters
Low Start Up Current (<0.5mA)
Trimmed Oscillator Discharge Current
Automatic Feed Forward Compensation
Pulse-by-Pulse Current Limiting
Enhanced Load Response Characteristics
Under-Voltage Lockout With Hysteresis
Double Pulse Suppression
High Current Totem Pole Output
Internally Trimmed Bandgap Reference
500kHz Operation
Low RO Error Amp

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