參數(shù)資料
型號: UCC2977TRPW
廠商: Texas Instruments, Inc.
英文描述: Precision 500 mA regulators
中文描述: 鎮(zhèn)流器/背光控制器/驅(qū)動器| TSSOP封裝| 8引腳|塑料
文件頁數(shù): 26/28頁
文件大小: 433K
代理商: UCC2977TRPW
SLUS499A
NOVEMBER 2001
REVISED JANUARY 2002
26
www.ti.com
TYPICAL WAVEFORMS
VCOMP
VOPEN/SD
VLAMP
VOPEN/SD
VIN = 12 Vdc
VLAMP = 600 V
fOSC = 125 Hz
10% Duty Cycle
ILAMP = 5 mA
Figure 23. UCC3976 Externally Controlled Bursting Dimming
at 10% Duty Cycle
VCOMP
VOPEN/SD
VLAMP
VOPEN/SD
VIN = 12 Vdc
VLAMP = 600 V
fOSC = 125 Hz
90% Duty Cycle
ILAMP = 5 mA
Figure 24. UCC3976 Externally Controlled Bursting Dimming
at 90% Duty Cycle
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