UC2842N - TI

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

Part No

UC2842N
Manufacturer

TI
ChipWorker Part#

CW1046633
Category

Voltage Regulator
Package

PDIP-8
Description

TEXAS INSTRUMENTS UC2842N PWM Controller, 12V-25V supply, 500kHz, 13.5V/1A out, DIP-8
Documentation

Datasheet

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UC2842N Specifications

Attribute	Attribute Value

Part Number	UC2842N
Manufacturer	TI
ChipWorker Part#	CW1046633
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	8 Pin
Case/Package	PDIP-8
Frequency	500 kHz
Supply Voltage (DC)	12.0V (min)
Number of Outputs	1 Output
Input Voltage (DC)	25.0 V
Output Voltage	13.5 V
Output Current	1 A
Supply Current	25 mA
Number of Positions	8 Position
Power Dissipation	1 W
Number of Regulated Outputs	1 Output
Rise Time	50 ns
Switching Frequency	500 kHz
Topology	Boost, Flyback, Forward
Duty Cycle	100 %
Maximum Duty Cycle	97 %
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	9.81 mm
Size-Width	6.35 mm
Size-Height	4.57 mm
Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99
HK STC License	NLR

Product Description

DESCRIPTION
The UC1842/3/4/5 family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include under-voltage lockout featuring start up current less than 1mA, a precision reference trimmed for accuracy at the error amp input, logic to insure latched
operation, a PWM comparator which also provides current limit control, and a totem pole output stage designed to source or sink high peak current. The output stage, suitable for driving N Channel MOSFETs, is low in the off state.
FEATURES
• Optimized For Off-line And DC To DC Converters
• Low Start Up Current (<1mA)
• 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 ROError Amp

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