UC2845D8 - TI

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

Part No

UC2845D8
Manufacturer

TI
ChipWorker Part#

CW7080825
Category

Voltage Regulator
Package

SOIC-8
Description

Current Mode PWM Controller 200mA 500kHz 8Pin SOIC Tube
Documentation

Datasheet

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UC2845D8 Specifications

Attribute	Attribute Value

Part Number	UC2845D8
Manufacturer	TI
ChipWorker Part#	CW7080825
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Frequency	450 kHz
Supply Voltage (DC)	7.60V (min)
Number of Outputs	1 Output
Input Voltage (DC)	25.0 V
Output Voltage	13.5 V
Output Current	200 mA
Supply Current	25 mA
Number of Positions	8 Position
Number of Regulated Outputs	1 Output
Rise Time	50 ns
Switching Frequency	500 kHz
Topology	Boost, Flyback, Forward
Duty Cycle	50 %
Maximum Duty Cycle	50 %
Fall Time	50 ns
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	7.6V ~ 30V
Supply Voltage (Max)	30 V
Supply Voltage (Min)	7.6 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	No SVHC
REACH SVHC Compliance Edition	2018/06/27
ECCN Code	EAR99

Product Description

The UC2845D8 is a current-mode Pulse Width Modulation (PWM) Controller 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.
Low start-up 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
Low RO Error amplifier
Green product and no Sb/Br

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