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UCC3813D-1-UCC3813DTR-1-UCC3813N1-UCC3813N-1-UCC3813PW-1 Fast Delivery,Good Price
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Partno Mfg Dc Qty AvailableDescript
UCC3813D-1 |UCC3813D1UNITRODEN/a200avai0
UCC3813N1UNITRODEN/a165avai0
UCC3813N-1 |UCC3813N1UNITRODEN/a120avai0
UCC3813D-1 |UCC3813D1TIN/a1325avai0
UCC3813D-1 |UCC3813D1UCCN/a658avai0
UCC3813DTR-1 |UCC3813DTR1TIN/a647avai0
UCC3813PW-1 |UCC3813PW1TIN/a13avai0


UCC3813D-1 ,0 SLUS161E–APRIL 1999–REVISED AUGUST 20165 Device Comparison TableMAXIMUM DUTY REFERENCE TURNON TURN ..
UCC3813D-1 ,0MAXIMUM RATINGS table.. 4• Added Thermal Information Table... 5• Added UCCX813-3 to Total variation ..
UCC3813D-1 ,0Block DiagramFB COMP CS2 1 37 VCCUCCx813-1Leading EdgeUCCx813-4BlankingUCCx813-51.5 VOnlyVCC REF/2O ..
UCC3813D-2 ,0MAXIMUM RATINGS table.. 4• Added Thermal Information Table... 5• Added UCCX813-3 to Total variation ..
UCC3813D-3 ,0MAXIMUM RATINGS table.. 4• Added Thermal Information Table... 5• Added UCCX813-3 to Total variation ..
UCC3813D-3G4 ,Low Power Economy BiCMOS Current Mode PWM 8-SOIC 0 to 70 SLUS161E–APRIL 1999–REVISED AUGUST 20165 Device Comparison TableMAXIMUM DUTY REFERENCE TURNON TURN ..
UPA572 ,N-CHANNEL MOS FET 5-PIN 2 CIRCUITS FOR SWITCHINGDATA SHEETMOS FIELD EFFECT TRANSISTORμPA572TN-CHANNEL MOS FET (5-PIN 2 CIRCUITS)FOR SWITCHIN ..
UPA572T ,N-CHANNEL MOS FET 5-PIN 2 CIRCUITS FOR SWITCHINGDATA SHEETMOS FIELD EFFECT TRANSISTORμPA572TN-CHANNEL MOS FET (5-PIN 2 CIRCUITS)FOR SWITCHIN ..
UPA573T ,P-CHANNEL MOS FET 5-PIN 2 CIRCUITS FOR SWITCHINGDATA SHEETMOS FIELD EFFECT TRANSISTORμPA573TP-CHANNEL MOS FET (5-PIN 2 CIRCUITS)FOR SWITCHING ..
UPA602T ,N-CHANNEL MOS FET 6-PIN 2 CIRCUITSDATA SHEETMOS FIELD EFFECT TRANSISTORμPA602TN-CHANNEL MOS FET (6-PIN 2 CIRCUITS)The μPA602T i ..
UPA603 ,P-CHANNEL MOS FET 6-PIN 2 CIRCUITSDATA SHEETMOS FIELD EFFECT TRANSISTORμPA603TP-CHANNEL MOS FET (6-PIN 2 CIRCUITS)The μPA603T i ..
UPA603T ,P-CHANNEL MOS FET 6-PIN 2 CIRCUITSDATA SHEETMOS FIELD EFFECT TRANSISTORμPA603TP-CHANNEL MOS FET (6-PIN 2 CIRCUITS)The μPA603T i ..


UCC3813D-1-UCC3813DTR-1-UCC3813N1-UCC3813N-1-UCC3813PW-1
0
COMP CS2VCC
1.5 V
Over Current REF/2
Full Cycle
Soft StartQ SQQ
Oscillator
Leading Edge
Blanking
Latch
UCCx813-1
UCCx813-4
UCCx813-5
Only
VCC
OUT
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Design
UCC2813-0, UCC2813-1, UCC2813-2, UCC2813-3, UCC2813-4, UCC2813-5
UCC3813-0, UCC3813-1, UCC3813-2, UCC3813-3, UCC3813-4, UCC3813-5

SLUS161E –APRIL 1999–REVISED AUGUST 2016
UCCx813-x Low-Power Economy BiCMOS Current-Mode PWM Features
100-µA Typical Starting Supply Current 500-µA Typical Operating Supply Current Operationto1 MHz Internal Soft Start Internal Fault Soft Start Internal Leading-Edge Blankingof the Current-
Sense Signal 1-A Totem-Pole Output 70-ns Typical Response from Current-Senseto
Gate-Drive Output 1.5% Tolerance Voltage Reference Same Pinoutas the UCC3802 Device, UC3842
Device, and UC3842A Device Families Applications Switch Mode Power Supplies (SMPS) DC-DC Converters Power Modules Industrial PSUs Battery Operated PSUs Description
The UCC3813-x device family of high-speed, low-
power integrated circuits contains allof the control
and drive components requiredfor off-line and DC-to- fixed-frequency current-mode switching power
supplies with minimal parts count.
These devices have the same pin configuration as
the UC384x device family, and also offer the added
featuresof internal full-cycle soft start and internal
leading-edge blankingof the current-sense input.
The UCC3813-x device family offersa variety of
package options, temperature-range options, choice maximum duty cycle, and choiceof critical voltage
levels. Devices with lower reference voltage suchas
the UCC3813-3 and UCC3813-5fit best into battery
(1) Forall available packages, see the orderable addendumat
the endofthe data sheet.
Block Diagram
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