UC3825AN - TI

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

Part No

UC3825AN
Manufacturer

TI
ChipWorker Part#

CW1712133
Category

Voltage Regulator
Package

PDIP-16
Description

Current/Voltage Mode PWM Controller, 2Outputs, 12V-20V supply, 5.1V/2A out, 1MHz, DIP-16
Documentation

Datasheet

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UC3825AN Specifications

Attribute	Attribute Value

Part Number	UC3825AN
Manufacturer	TI
ChipWorker Part#	CW1712133
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	16 Pin
Case/Package	PDIP-16
Frequency	1 MHz
Supply Voltage (DC)	12.0V (min)
Number of Outputs	2 Output
Input Voltage (DC)	22.0 V
Output Voltage	3 V
Output Current	2 A
Supply Current	36 mA
Number of Positions	16 Position
Input Current	28 mA
Number of Regulated Outputs	2 Output
Rise Time	20 ns
Switching Frequency	1000 kHz
Topology	Buck, Boost, Flyback, Forward, Full-Bridge, Half-Bridge, Push-Pull
Duty Cycle	50 %
Input Voltage (Max)	22 V
Output Voltage (Max)	5.15 V
Maximum Duty Cycle	50 %
Fall Time	20 ns
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
Supply Voltage (Max)	20 V
Supply Voltage (Min)	12 V
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Size-Length	19.3 mm
Size-Width	6.35 mm
Size-Height	4.57 mm
Operating Temperature	0℃ ~ 70℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2014/12/17
ECCN Code	EAR99

Product Description

The UC3825AN is a high speed Pulse Width Modulation (PWM) Controller, an improved versions of the standard UC3825 family. Performance enhancements have been made to several of the circuit blocks. Error amplifier gain bandwidth product is 12MHz, while input offset voltage is 2mV. Current limit threshold is assured to a tolerance of 5%. Oscillator discharge current is specified at 10mA for accurate dead time control. Frequency accuracy is improved to 6%. Startup supply current, typically 100µA, is ideal for off-line applications. The output drivers are redesigned to actively sink current during UVLO at no expense to the startup current specification. In addition each output is capable of 2A peak currents during transitions. Functional improvements have also been implemented in this family. The UC3825 shutdown comparator is now a high-speed overcurrent comparator with a threshold of 1.2V.
Compatible with voltage-mode or current-mode control methods
50ns Propagation delay to output
High-current dual totem pole outputs (2A peak)
Trimmed oscillator discharge current
Pulse-by-pulse current limiting comparator
Latched overcurrent comparator with full cycle restart
Green product and no Sb/Br
Device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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