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UCC2808D-1-UCC2808D-1G4-UCC2808DTR-1-UCC2808DTR-1G4-UCC2808N-1 Fast Delivery,Good Price
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UCC2808N-1 |UCC2808N1UCN/a3avai1
UCC2808D-1 |UCC2808D1UCCN/a423avai1
UCC2808D-1 |UCC2808D1UNITRODEN/a1100avai1
UCC2808D-1 |UCC2808D1UCN/a85avai1
UCC2808D-1 |UCC2808D1TIN/a2500avai1
UCC2808D-1G4 |UCC2808D1G4UCCN/a19avaiLow Power Current Mode Push-Pull PWM 8-SOIC -40 to 85
UCC2808DTR-1 |UCC2808DTR1TIN/a54avai1
UCC2808DTR-1G4 |UCC2808DTR1G4tiN/a864avaiLow Power Current Mode Push-Pull PWM 8-SOIC -40 to 85


UCC2808D-1 ,1Maximum Ratings may cause permanent damage to the device. These are stress ratingsonly, which do no ..
UCC2808D-1 ,1Electrical Characteristics....... 411.3 Community Resources...... 136.5 Typical Characteristics. 61 ..
UCC2808D-1 ,1Sample & Support &Product Tools &TechnicalCommunityBuyFolder Documents SoftwareUCC2808-1,UCC2808-2, ..
UCC2808D-1 ,1Maximum Ratings(1)over operating free-air temperature range (unless otherwise noted)MIN MAX UNITSup ..
UCC2808D-1G4 ,Low Power Current Mode Push-Pull PWM 8-SOIC -40 to 85Features... 1 8 Application and Implementation...... 108.1 Application Information........ 102 Appl ..
UCC2808D-2 ,1Maximum Ratings.. 411 Device and Documentation Support........ 136.2 ESD Ratings........ 411.1 Rela ..
UPA101G-E1 ,12ⅴ8 CROSSPOINT SWITCH WITH CONTROL MEMORYApplications include a multiplier,double balanced mixer, phase detector, or AGC circuit. The two p ..
UPA102G ,Ultra-high-frequency NPN transistor arrayapplicationsinclude: pulse pattern generators, oscillators, differential amps, high speed comparato ..
UPA102G-E1 ,Ultra-high-frequency NPN transistor arrayFEATURES• TWO BUILT-IN DIFFERENTIAL AMPLIFIER CIRCUITS: (Each Transistor has fT 9 GHz)• OUTSTANDING ..
UPA103G ,HIGH FREQUENCY NPN TRANSISTOR ARRAYFEATURES• FIVE MONOLITHIC 9 GHz fT TRANSISTORS:Two of these use a common emitter pin and can be use ..
UPA103G-E1 ,HIGH FREQUENCY NPN TRANSISTOR ARRAYFEATURES• FIVE MONOLITHIC 9 GHz fT TRANSISTORS:Two of these use a common emitter pin and can be use ..
UPA103G-E1 ,HIGH FREQUENCY NPN TRANSISTOR ARRAYAPPLICATIONSThe μPA103 is a user configurable Silicon bipolar transistor array consisting of a comm ..


UCC2808D-1-UCC2808D-1G4-UCC2808DTR-1-UCC2808DTR-1G4-UCC2808N-1
Low Power Current Mode Push-Pull PWM
UCC3808D-1
0.1µF10µF
20 kΩ
NS1
NS2NP1
NP2 680µF 0.01µF
470pF
4700pF 20 kΩ
19.1 kΩ
COMP
19.1 kΩ
200Ω
LOOPB
LOOPA
2.2Ω
0.2Ω2 kΩ
330pF
1000pF
62Ω62Ω
1000pF
2.2Ω
51 kΩ
1/4 W
0.47µF4700µFVIN VTO72V
BYV
BYV
32CTQ030ER28
8:2
5V50W678321
H11A1
PRIMARY
GROUND
IRF640 IRF640
20 kΩ
240Ω
0.1µF TL431
10Ω
EF25 7µHmH
DF02SGICT
VDD OUTA OUTB GNDCSFBCOMP
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UCC2808-1, UCC2808-2, UCC3808-1, UCC3808-2

SLUS168E–APR 1999–REVISED AUGUST 2015
UCCx808-x Low Power Current Mode Push-Pull PWM Features 3 Description

The UCCx808-xisa familyof BiCMOS push-pull, Dual Output Drive Stagesin Push-Pull high-speed, low-power, pulse-width modulators. TheConfiguration UCCx808 containsallof the control and drive circuitry• 130-μA Typical Starting Current required for offline or DC-to-DC fixed frequency 1-mA Typical Run Current current-mode switching power supplies with minimal
external parts count.• Operationto 1-MHz Internal Soft-Start The UCCx808-x dual output drive stages are
arrangedina push-pull configuration. Both outputs• On-Chip Error Amplifier With 2-MHz Gain switchat half the oscillator frequency usinga toggleBandwidth Product flip-flop. The dead time between the two outputsis• On-Chip VDD Clamping typically 60nsto 200ns depending on the valuesof Output Drive Stages CapableOf 500-mA Peak the timing capacitor and resistors, thus limiting each
output stage duty cycleto less than 50%.Source Current, 1-A Peak Sink Current
Device Information(1)2 Applications
• Server and Desktop Power Supplies• Telecom Power Supplies• DC-DC Converters• Switched-Mode Power Supplies
(1) Forall available packages, see the orderable addendumat
the endofthe data sheet.
Simplified Schematic
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