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Partno	Mfg	Dc	Qty	Available	Descript
UCC3961D		N/a	29	avai	Advanced Primary Side Startup Controller

UCC3961D ,Advanced Primary Side Startup Controller . / SLUS431A – MAY 2000 – REVISED DECEMBER 2000 Opera ..
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UCC3972PWTRG4 ,BiCMOS Cold Cathode Fluorescent Lamp Driver Controller 8-TSSOP 0 to 70MAXIMUM RATINGSVBAT..... +27VTSSOP-8 (TOP VIEW)VDD Maximum Forced Current .. 30mAPW PackageMaximum ..
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UPB581B , DIVIDE- BY- 2 PRESCALER
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UPB582A ,DIVIDE-BY-4 PRESCALERELECTRICAL CHARACTERISTICS (VCC = 5.0 ±0.5 V, ZS = ZL = 50 Ω)PART NUMBER UPB582A UPB582B UPB582CPAC ..

UCC3961D
Advanced Primary Side Startup Controller
Duty-Cycle Clamping Up to 400-kHz Synchronizable Switching
Frequency High-Current FET Drive (1.5-A Sink, 0.75-A
Source) Undervoltage Lockout with 2-V Hysteresis Low-Current Startup with Optional
Disconnect Programmable Overvoltage and
Undervoltage Protection 8–pin Version Also Available (UCC3960)

typical application diagram
UDG–99039
STOP
FEED
SOFT START
FREQ
SETIN
CSDPGND
OUT
VDD
AGND
OVS
VOLT
SEC
CLAMP
REF
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

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