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TS19453 Arkusz danych(PDF) 2 Page - Taiwan Semiconductor Company, Ltd |
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TS19453 Arkusz danych(HTML) 2 Page - Taiwan Semiconductor Company, Ltd |
2 / 7 page Preliminary TS19453 AC/DC Programmable Current WLED Driver w/PWM Dimming Control 2/7 Version: Preliminary Electrical Specifications (Ta = 25 oC, V DRAIN= 50V, unless otherwise noted) Function Parameter Symbol Test Conditions Min Typ Max Units Internal Regulator Internally Regulated Voltage VDD -- 7.5 -- V Drain Supply Voltage VDRAIN 20 -- 400 V Undervoltage Lockout Threshold UVLO VDD rising 4.8 -- -- V Undervoltage Lockout Hysteresis ∆UVLO VDD falling -- 200 -- mV Supply Current IDD VDD(EXT)=8.0V -- -- 500 µA Output (Drain) Breakdown Voltage VBR Note 1 475 -- -- V On Resistance RDSON IDRAIN=50mA -- -- 200 Ω MOSFET Saturation current ISAT 100 150 -- mA Current Sense Comparator Threshold Voltage VTH Note 1 0.43 -- 0.53 V Leading edge Blanking delay TBLANK Note 1,2 200 300 400 nS Minimum Turn On-Time TON(min) -- -- 650 nS Off-Time Generator Turn On-Time TOFF 8 12 18 µS PWMD PWMD Input Voltage VPWMD High voltage 2.0 -- -- V Low voltage -- -- 0.8 PWMD Pull Down Resistance RPWMD VPWMD=5V 100 -- 300 Ω Note 1: The specification which apply over the full operating ambient temperature range of -40ºC<TA<+85ºC 2: Guaranteed by design Block Diagram |
Podobny numer części - TS19453 |
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Podobny opis - TS19453 |
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