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SC804 Datasheet(PDF) 2 Page - Semtech Corporation |
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SC804 Datasheet(HTML) 2 Page - Semtech Corporation |
2 / 21 page 2 © 2007 Semtech Corp. www.semtech.com SC804 PRELIMINARY POWER MANAGEMENT Unless otherwise noted: VCC = 4.75V - 5.25V. Typical values are at T A = 25°C Min and Max are for -40°C < TA < +85°C unless noted. Parameter Symbol Conditions Min Typ Max Units Operating Voltage VCC OP 4.2 5.0 6.1(1) V VCC UVLO Rising Threshold VT UVLOR Charging begins when threshold is exceeded 3.8 4.0 4.2 V VCC UVLO Falling Threshold VT UVLOF Charging continues until threshold is reached 2.8 3.0 3.2 V VCC OVP Rising Threshold VT OVPR 6.5 6.8 7.25 V VCC OVP Falling Threshold VT OVPF 6.1 6.5 6.85 V VCC OVP Hysteresis VT OVPH 200 350 600 mV Operating Current ICC DIS Shutdown Mode - CHRGB, CPB, OVPB, FLTB off NTC = 0V 1.9 mA ICC CHG Charging Mode - CHRGB, CPB, OVPB, FLTB off NTC = 2.5V 2.0 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. Parameter Symbol Maximum Units VCC, CTO, NTC to GND -0.3 to 14.0 V VOUT, BSEN, RTIM, AFC, IPRGM, CPB, CHRGB, OVPB, ITERM, FLTB, to GND -0.3 to +6.0 V RGND to GND -0.3 to 0.3 V VOUT Output Current I VOUT 1.5 A Power Dissipation MLP (Derate 20mW/°C above 85°C) Pd 2 W Thermal Impedance, Junction to Ambient(1) θ JA 48 °C/W Junction Temperature T J 150 °C Operating Ambient Temperature Range T A -40 to +85 °C IR Reflow Temperature T LEAD 260 °C Storage Temperature Range T STG -65 to 150 °C VOUT short to GND Continuous ESD Protection Level(2) V ESD 2kV Notes: 1) 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. 2) Tested according to JEDEC standard JESD22-A114-B. Absolute Maximum Ratings Electrical Characteristics |
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