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TL3845 Datasheet PDF

Part Series:TL3845 Series
Description:CURRENT-MODE PWM CONTROLLERS
Document:TL3845DR Datasheet PDF (28 Pages)

TL3845 Datasheet PDF

27 Pages
TI
Current Mode PWM Controller 0V to 30V 200mA 500kHz 14Pin SOIC T/R
27 Pages
TI
Current Mode PWM Controller 0V to 30V 200mA 500kHz 8Pin SOIC Tube
27 Pages
TI
Current Mode PWM Controller 0V to 30V 200mA 500kHz 8Pin SOIC T/R
27 Pages
TI
Current Mode PWM Controller 0V to 30V 200mA 500kHz 14Pin SOIC Tube
27 Pages
TI
Current Mode PWM Controller 0V to 30V 200mA 500kHz 14Pin SOIC Tube
27 Pages
TI
Current Mode PWM Controller 0V to 30V 200mA 500kHz 8Pin SOIC Tube
27 Pages
TI
Current Mode PWM Controller 0V to 30V 200mA 500kHz 8Pin SOIC Tube
27 Pages
TI
Current Mode PWM Controller 0V to 30V 200mA 500kHz 8Pin PDIP Tube
27 Pages
TI
Current Mode PWM Controller 0V to 30V 200mA 500kHz 8Pin PDIP Tube
27 Pages
TI
Current Mode PWM Controller 0V to 30V 200mA 500kHz 14Pin SOIC T/R
27 Pages
TI
Current Mode PWM Controller 0V to 30V 200mA 500kHz 14Pin SOIC T/R
27 Pages
TI
Current Mode PWM Controller 0V to 30V 200mA 500kHz 8Pin SOIC T/R
27 Pages
TI
Current Mode PWM Controller 0V to 30V 200mA 500kHz 8Pin SOIC T/R
27 Pages
TI
CURRENT-MODE PWM CONTROLLERS
24 Pages
TI
High-Performance Current-Mode PWM Controller
23 Pages
TI
Current Mode PWM Controller 0V to 30V 200mA 500kHz 8Pin SOIC Tube

TL3845 - TI Function Overview

The TL284x and TL384x series of control integrated circuits provide 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 undervoltage lockout (UVLO), featuring a start-up current of less than 1 mA, 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
Low Start-Up Current (< 1 mA)
Automatic Feed-forward compensation
Pulse-by-Pulse Current Limiting
Enhanced Load-Response Characteristics
Undervoltage Lockout With Hysteresis
Double-Pulse Suppression
High-Current Totem-Pole Output
Internally Trimmed Bandgap Reference
500-kHz Operation
Error Amplifier With Low Output Resistance
Designed to be Interchangeable with UC2842 and
UC3842 Series
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