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MP24895A датащи(PDF) 4 Page - Monolithic Power Systems |
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MP24895A датащи(HTML) 4 Page - Monolithic Power Systems |
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4 / 14 page ![]() MP24895A – 6V - 36V, STEP-DOWN, WHITE, LED DRIVER MP24895A Rev. 1.0 www.MonolithicPower.com 4 2/3/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved. ELECTRICAL CHARACTERISTICS VIN = 24V, TJ = -40°C to 125°C (6), unless otherwise noted. Parameter Symbol Condition Min Typ Max Units Input voltage VIN 6 36 V IN under-voltage lockout VIN_UVLO VIN rising 4.7 5.3 5.9 V Under-voltage lockout hysteresis 700 mV Shutdown supply current ISD 170 250 µA Quiescent supply current IQ No switching 0.7 1.1 mA Feedback reference voltage (with respect to VIN) VIN-VRS TJ = 25°C, VEN/DIM = 1.28V 94 100 106 mV TJ = -40°C to 125°C, VEN/DIM = 1.28V 92 108 mV EN/DIM enable high voltage VEN_HIGH VEN/DIM rising 0.19 0.25 0.31 V EN/DIM enable hysteresis VEN_HYS 50 90 mV EN/DIM pull-up resistor REN VEN/DIM = 0.3V 45 k Ω Internal reference voltage VREF 1.24 1.28 1.32 V Switch on resistance RDS_ON 0.2 0.4 Ω Minimum on time (5) tON_MIN 100 ns Minimum off time (5) tOFF_MIN 80 ns Thermal shutdown temperature (5) TOTP 150 °C Thermal shutdown hysteresis (5) TOTP HYS 15 °C NOTES: 5) Guaranteed by design. 6) Not tested in production, guaranteed by characterization. Typical value represents the most likely parametric norm at +25°C. |
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