UC3842A Просмотр технического описания (PDF) - Unisonic Technologies
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UC3842A Datasheet PDF : 9 Pages
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UNISONIC TECHNOLOGIES CO., LTD
UC3842A/3843A
LINEAR INTEGRATED CIRCUIT
CURRENT MODE PWM
CONTROL CIRCUITS
DESCRIPTION
The UTC UC3842A/3843A provide the necessary functions to
implement off-line or DC to DC fixed frequency current mode ,
controlled switching circuits with minimal external components.
SOP -8
FEATURES
*Low start up current ( Typical 0.12mA )
*Automatic feed forward compensation
*Pulse-by-Pulse current limiting
*Under-voltage lockout with hysteresis
*Double pulse Suppression
*High current totem pole output to drive MOSFET directly
*Internally trimmed band gap reference
*500kHz operation
ORDERING INFORMATION
Ordering Number
Normal
Lead Free Plating
UC3842A-D08-T
UC3842AL-D08-T
UC3842A-S08-R
UC3842AL-S08-R
UC3842A-S08-T
UC3842AL-S08-T
UC3843A-D08-T
UC3843AL-D08-T
UC3843A-S08-R
UC3843AL-S08-R
UC3843A-S08-T
UC3843AL-S08-T
Package
DIP-8
SOP-8
SOP-8
DIP-8
SOP-8
SOP-8
DIP-8
*Pb-free plating product number: UC3842AL
UC3843AL
Packing
Tube
Tape Reel
Tube
Tube
Tape Reel
Tube
UC3842AL-D08-T
(1)Packing Type
(2)Package Type
(3)Lead Plating
(1) T: Tube, R: Tape Reel
(2) D08: DIP-8, S08: SOP-8
(3) L: Lead Free Plating, Blank: Pb/Sn
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