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UM1360Y Datasheet(PDF) 4 Page - Union Semiconductor, Inc. |
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UM1360Y Datasheet(HTML) 4 Page - Union Semiconductor, Inc. |
4 / 14 page ________________________________________________________________________ http://www.union-ic.com Rev.01 Apr.2014 4/14 UM1360 Electrical Characteristics (VIN= 16V, TA = 25°C, unless otherwise noted) Symbol Parameter Test Conditions Min Typ Max Unit VIN Input Voltage Range 6 35 V ILED Output Current RS=0.33Ω 303 mA RS=0.1Ω 1000 IQ Quiescent Current without switching VSET pin floating, VIN= 16V 430 μA ISD Shutdown Current VSET=GND, VIN=16V 35 70 μA VSENSE Mean current sense threshold voltage Measured on ISENSE pin with respect to VIN 95 100 105 mV VSENSE_HYS Sense threshold hysteresis ±15 % ISENSE ISENSE pin input current VSENSE=VIN-0.1 8 μA VEN VSET range on VSET pin For DC dimming 0.3 2.5 V VENON DC voltage on VSET pin to enable VEN rising 0.25 V VENOFF DC voltage on VSET pin to disable VEN falling 0.2 V RLX LX switch on resistance ILX=1000mA 0.4 Ω ILX(leak) LX switch leakage current 5 μA TSS Soft start time VIN=16V, CEN=1nF 860 μs FLX Operating frequency VIN= 16V, L=47μH, VOUT=9.6V(3 LEDs), RS=0.1Ω 200 kHz FLXmax Recommended maximum switch frequency 1.0 MHz Ton_rec (Note 2) Recommended minimum switch ON time For 4% accuracy 500 ns Max duty cycle 100 % DLX Recommended duty cycle range 25 75 % TPD (Note 2) Internal comparator propagation delay 45 ns TOTP Over temperature protection 150 °C TOTP_HYS Temperature protection hysteresis 40 °C IXLmax Current limit VIN=32V(6 LEDs) 1.2 A Note 2: Parameters are not tested at production, but guaranteed by design. |
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