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SC620 Datasheet(PDF) 2 Page - Semtech Corporation |
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SC620 Datasheet(HTML) 2 Page - Semtech Corporation |
2 / 16 page Exceeding the specifications below may result in permanent damage to the device or device malfunction. Operation outside of the parameters specified in the Electrical Characteristics section is not implied. Unless otherwise noted, T A = +25°C for Typ, -40ºC to 85°C for Min and Max, VIN = 2.7V to 5.5V, CIN = 1μF, ∆VF ≤ 1.5V Parameter Symbol Condition Min Typ Max Units Maximum LED Current Setting(1) I LEDn 25 mA LED Current Setting Accuracy(1) ∆I LEDn 0.5mA ≤ I LEDn ≤ 5mA, T A = 25ºC -250 250 μA 5mA < I LEDn ≤ 25mA, VF = 3.4V, V ILEDn = 2V, TA = 25ºC -5 5 % Load Regulation ∆I LEDn/ ∆VF 5mA < I LEDn ≤ 25mA, T A = 25ºC -2 2 % / V LED Current Matching Accuracy(1) I LED-to-LED 0.5mA ≤ I LEDn ≤ 5mA, T A = 25ºC -150 150 μA 5mA < I LEDn ≤ 25mA, T A = 25ºC -3 3 % Dropout Voltage V DO I LEDn = 25mA 150 mV Shutdown Current I SHDN EN = GND 0.1 1 μA Current Step Size I STEP Normal Mode(3) 500 μA Low-Current Mode(4) 31.25 μA Quiescent Current I Q Standby: EN = V IN, LED1-8 disabled(2) 60 μA EN = V IN, ILED1-8 = 1.968mA (4) 720 μA EN = V IN, ILED1-8 = 25mA (3) 4.5 mA Absolute Maximum Ratings Electrical Characteristics Parameter Symbol Maximum Units Input Supply Voltage V IN -0.3 to +6.0 V Pin Voltage - All Other Pins -0.3 to V IN+0.3 V Short Circuit Duration - All Outputs t SC Indefinite s Operating Ambient Temperature Range T A -40 to +85 °C Operating Junction Temperature Range T J -40 to +150 °C Storage Temperature T STG -65 to +150 °C Peak IR Reflow Temperature T PKG 260 °C Thermal Resistance - Junction to Ambient(1) θ JA 39 °C/W ESD Protection Level(2) V ESD 2kV Note: 1) Calculated from package in still air, mounted to 3” x 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad as per JESD51 standards. 2) Tested according to JEDEC standard JESD22-A114-B 2 © 2006 Semtech Corp. www.semtech.com POWER MANAGEMENT SC620 |
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