TL3845P - TI

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

Part No

TL3845P
Manufacturer

TI
ChipWorker Part#

CW1760367
Category

Voltage Regulator
Package

DIP-8
Description

Current Mode PWM Controller 0V to 30V 200mA 500kHz 8Pin PDIP Tube
Documentation

Datasheet

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TL3845P Specifications

Attribute	Attribute Value

Part Number	TL3845P
Manufacturer	TI
ChipWorker Part#	CW1760367
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	8 Pin
Case/Package	DIP-8
Frequency	500 kHz
Supply Voltage (DC)	12.0V (min)
Number of Outputs	1 Output
Input Voltage (DC)	5.50 V
Output Voltage	30 V
Output Current	200 mA
Supply Current	25 mA
Number of Channels	1 Channel
Number of Positions	8 Position
Quiescent Current	11.0 mA
Number of Regulated Outputs	1 Output
Rise Time	50 ns
Switching Frequency	500 kHz
Topology	Boost, Flyback, Forward
Duty Cycle	48 %
Maximum Duty Cycle	48 %
Fall Time	50 ns
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
Supply Voltage	7.6V ~ 30V
Supply Voltage (Max)	25 V
Supply Voltage (Min)	12 V
Input Voltage	5.5 V
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Size-Length	9.81 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 TL3845P is a current-mode PWM Controller provides the features that are necessary to implement off-line or DC-to-DC fixed-frequency current-mode control schemes with a minimum number of external components. Some of the internally implemented circuits are an under-voltage lockout (UVLO), featuring a start-up current of less than 1mA and a precision reference trimmed for accuracy at the error amplifier input. Other internal circuits include logic to ensure latched operation, a pulse-width modulation (PWM) comparator (that 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 when it is in the OFF state.
Optimized for Off-line and DC-to-DC converters
<1mA 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 band gap reference
This 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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