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SC1462ISKTRT Datasheet(PDF) 2 Page - Semtech Corporation |
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SC1462ISKTRT Datasheet(HTML) 2 Page - Semtech Corporation |
2 / 10 page 2 © 2005 Semtech Corp. www.semtech.com POWER MANAGEMENT SC1462 Absolute Maximum Ratings 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. Notes: 1) This device is ESD sensitive. Use of standard ESD handlng precautions is required. 2) 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. Parameter Symbol Maximum Units Supply Voltage V IN -0.3 to +6.0 V Output Voltage V OUT -0.3 to +12 V V OUT Short Circuit Duration SC Indefinite Thermal Resistance Junction to Ambient(2) θ JA 230 °C/W Operating Ambient Temperature Range T A -40 to +85 °C Junction Temperature Range T J -40 to +125 °C Storage Temperature Range T STG -65 to +150 °C Peak IR Flow Temperature, SC1462ISKTR T LEAD 240 °C Peak IR Flow Temperature, SC1462ISKTRT T LEAD 260 °C Parameter Symbol Conditions Min Typ Max Units Input Supply Voltage V IN 1.65 5.5 V Input Supply Current I IN I OUT = 0, VIN = 2.5V 140 260 μA I OUT = 0, VIN = 3.6V 200 400 μA SHDN = V IN 0.1 1 μA Ouput Resistance(1) R OUT V IN = 2.5V 9.5 13.5 Ω Output Resistance(1) R OUT V IN = 3.6V 7.5 10.5 Ω Total Switch Resistance(2) R SW V IN = 2.5V 3 4.5 Ω Total Switch Resistance(2) R SW V IN = 3.6V 2 3 Ω Output Current I OUT V IN = 2.5V 80 mA V IN = 3.6V 80 mA Oscillator Frequency f OSC 100 160 200 kHz Absolute Maximum Ratings(1) Electrical Characteristics Unless specified: T A = -40°C to 85°C, SHDN = GND, 1.65V ≤ VIN ≤ 5.5V, Frequency =160kHz, CIN = COUT = CBUCKET = 3.3μF (ESR = 0.3Ω). |
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