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AL8812 Datasheet(PDF) 3 Page - Diodes Incorporated |
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AL8812 Datasheet(HTML) 3 Page - Diodes Incorporated |
3 / 11 page AL8812 Document number: DS37099 Rev. 1 - 2 3 of 11 www.diodes.com March 2014 © Diodes Incorporated AL8812 Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.) Symbol Parameter Value Unit VCC Power Supply Voltage 20 V VIR Comparator Input Voltage Range -0.3 to +36 V SW/C Switch Collector Voltage 36 V SW/E Switch Emitter Voltage (VPin 1 = 40V) 36 V VCE (switch) Switch Collector to Emitter Voltage 36 V DRIVE Driver Collector Voltage 36 V IC (driver) Driver Collector Current (Note 4) 100 mA ISW Switch Current 1.6 A VDS Maximum MOSFET Drain-Source voltage 60 V VGS Maximum MOSFET Gate-Source voltage +/-20 V ISOURCE Maximum Continuous Source (Body Diode) Current 3.7 A PD Continuous Power Dissipation (TA = +25°C) (U-DFN6040-12 (derate 10mW/ °C above +25°C) 1000 mW θJA Junction-to-Ambient Thermal Resistance 47.31 °C/W θJC Junction-to-Case Thermal Resistance 6.42 °C/W TMJ Maximum Junction Temperature +150 °C TOP Operating Junction Temperature Range 0 to +105 °C Tstg Storage Temperature Range -65 to +150 °C ESD HBM Human Body Model ESD Protection 250 V ESD MM Machine Model ESD Protection 100 V Note: 4. Maximum package power dissipation limits must be observed. Electrical Characteristics (@TA = +25°C, unless otherwise specified.) Symbol Characteristics Min Typ Max Unit OSCILLATOR fosc Frequency (VPIN 5 = 0V, CT = 1.0nF, TA = +25°C) 24 33 42 kHz Ichg Charge Current (VCC = 5.0V to 40V, TA = +25°C) 24 30 42 μA Idischg Discharge Current (VCC = 5.0V to 40V, TA = +25°C) 140 200 260 μA Idischg / Ichg Discharge to Charge Current Ratio (Pin 7 to VCC, TA = +25°C) 5.2 6.5 7.5 — Vipk (sense) Current Limit Sense Voltage (Ichg = Idischg, TA = +25°C) 300 400 450 mV OUTPUT SWITCH (Note 5) VCE (sat) Saturation Voltage, Darlington Connection (ISW = 1.0A, Pins 1,8 connected) — 1.0 1.3 V VCE (sat) Saturation Voltage, Darlington Connection (ISW = 1.0A, ID = 50mA, Forced ß ≈ 20) — 0.45 0.7 V hFE DC Current Gain (ISW = 1.0A, VCE = 5.0V, TA = +25°C) 50 75 — — IC (off) Collector Off-State Current (VCE = 40V) - 0.01 100 μA OUTPUT MOSFET VGS(th) MOSFET Gate Threshold voltage 1 — 2.2 V VFD MOSFET Diodes forward voltage — .85 .95 V RDS(ON) Drain-source on-resistance (VGS = 10V, ID = 2.5A) Drain-source on-resistance (VGS = 4.5V, ID = 2A) — — 120 180 mΩ mΩ COMPARATOR Vth Threshold Voltage TA = +25°C TA = 0 oC to +70oC — — — V — 1.225 1.25 1.275 — — 1.21 — 1.29 — Regline Threshold Voltage Line Regulation (VCC = 3.0V to 40V) — 1.4 6.0 mV TOTAL DEVICE ICC Supply Current (VCC = 5.0V to 40V, CT =1.0nF, Pin 7 = VCC, VPin 5 > Vth Pin 2 = Gnd, remaining pins open) — — 3.5 mA Note: 5. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible. |
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