UC1825AL - TI

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

Part No

UC1825AL
Manufacturer

TI
ChipWorker Part#

CW60726439
Category

PWM Controller IC
Package

LCCC
Description

Current Mode PWM Controller 2A 1000kHz 20Pin CLLCC Tube
Documentation

Datasheet

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UC1825AL Specifications

Attribute	Attribute Value

Part Number	UC1825AL
Manufacturer	TI
ChipWorker Part#	CW60726439
Category	PWM Controller IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	LCCC
Output Current	2 A
Supply Current	36 mA
Number of Regulated Outputs	2 Output
Rise Time	20 ns
Switching Frequency	1000 kHz
Topology	Boost, Flyback, Forward, Full-Bridge, Half-Bridge, Push-Pull
Duty Cycle	50 %
Maximum Duty Cycle	50 %
Fall Time	20 ns
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-55 ℃
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Size-Height	2.03 mm
Operating Temperature	-55℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	Non-Compliant
Lead-Free Status	Contains Lead
ECCN Code	EAR99

Product Description

DESCRIPTION
The UC3823A and UC3823B and the UC3825A and UC3825B family of PWM controllers are improved
versions of the standard UC3823 and UC3825 family. Performance enhancements have been made to several of the circuit blocks. Error amplifier gain bandwidth product is 12 MHz, while input offset voltage is 2 mV. Current limit threshold is assured to a tolerance of 5%.
FEATURES
Improved Versions of the UC3823/UC3825 PWMs
Compatible with Voltage-Mode or Current-Mode Control Methods
Practical Operation at Switching Frequencies to 1 MHz
50-ns Propagation Delay to Output
High-Current Dual Totem Pole Outputs (2-A Peak)
Trimmed Oscillator Discharge Current
Low 100-μA Startup Current
Pulse-by-Pulse Current Limiting Comparator
Latched Overcurrent Comparator With Full Cycle Restart

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