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SC627 Datasheet(PDF) 3 Page - Semtech Corporation |
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SC627 Datasheet(HTML) 3 Page - Semtech Corporation |
3 / 23 page SC627 3 Exceeding the above specifications may result in permanent damage to the device or device malfunction. Operation outside of the parameters specified in the Electrical Characteristics section is not recommended. NOTES: (1) Tested according to JEDEC standard JESD22-A114-B. (2) Calculated from package in still air, mounted to 3” x 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards. Absolute Maximum Ratings VIN (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0 VOUT (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0 C1+, C2+ (V) . . . . . . . . . . . . . . . . . . . . . . . -0.3 to (V OUT + 0.3) Pin Voltage - All Other Pins (V) . . . . . . . . . . . -0.3 to (V IN + 0.3) VOUT Short Circuit Duration. . . . . . . . . . . . . . . . Continuous VLDO1, VLDO2, Short Circuit Duration . . . . . . Continuous ESD Protection Level(1) (kV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Recommended Operating Conditions Ambient Temperature Range (°C) . . . . . . . . -40 < T A < +85 VIN (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0 < V IN < 5.5 VOUT (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5 < V OUT < 5.25 Voltage Difference between any two LEDs (V) . . . . . . <1.2 Thermal Information Thermal Resistance, Junction to Ambient(2) (°C/W) . . . . 35 Maximum Junction Temperature (°C) . . . . . . . . . . . . . . +150 Storage Temperature Range (°C) . . . . . . . . . . . . -65 to +150 Peak IR Reflow Temperature (10s to 30s) (°C) . . . . . . . +260 Unless otherwise noted, T A = +25°C for Typ, -40ºC to +85°C for Min and Max, T J(MAX) = 125ºC, V IN = 3.0V to 4.2V, C IN = C 1 = C 2 = 2.2μF, C OUT = 4.7μF (ESR = 0.03Ω), ΔV F ≤ 1.2V(1) Parameter Symbol Conditions Min Typ Max Units Supply Specifications Shutdown Current I Q(OFF) Shutdown, V IN = 4.2V 0.1 2 μA Total Quiescent Current I Q Sleep (LDOs off ), SWIF = V IN 100 160 μA Sleep (LDOs on), SWIF = V IN , V IN > (V LDO + 300mV), I LDO < 200mA 220 340 Charge pump in 1x mode, 4 backlights on 3.8 4.65 mA Charge pump in 1.5x mode, 4 backlights on 4.6 5.85 Charge pump in 2x mode, 4 backlights on 4.6 5.85 Fault Protection Output Short Circuit Current Limit I OUT(SC) VOUT pin shorted to GND 300 mA Over-Temperature T OTP 160 °C Flash Mode Safety Timer(2) t FL(MAX) Flash sink active 0.75 1.00 1.25 s Electrical Characteristics |
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