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MIC2591B-2YTQ Datasheet(PDF) 8 Page - Micrel Semiconductor |
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MIC2591B-2YTQ Datasheet(HTML) 8 Page - Micrel Semiconductor |
8 / 34 page MIC2591B Micrel March 2005 8 M9999-033105 Electrical Characteristics (continued)(5) Symbol Parameter Condition Min Typ Max Units CFILTER Overcurrent DelayTime, Pin 20 grounded through RFILTER[A&B] = 110 kΩ, 1% SF CFILTER Overcurrent Delay V12VIN – V12VSENSE > VTHILIMIT THILIMIT THILIMIT Scaling Factor and/or 4.4 5 5.6 Delay(ms) = CFILTER(µF) V3VIN –V3VSENSE > VTHILIMIT × RFILTER(kΩ) × SF VTHILIMIT Current Limit Threshold Voltages THILIMIT THILIMIT 12V[A/B] supplies V12VIN – V12VSENSE 45 50 55 mV 3.3V[A/B] supplies V3VIN – V3VSENSE 45 50 55 mV VTHFAST 12VOUT[A/B] and 3VOUT[A/B] V THFAST THFAST 12VIN – V12VSENSE MIC2591B-2BTQ 90 100 110 mV Fast-Trip Threshold Voltages V3VIN – V3VSENSE MIC2591B-3BTQ 135 150 165 mV MIC2591B-5BTQ Disabled I12VSENSE[A/B] 12VSENSE[A/B] Input current 0.35 µA I3VSENSE[A/B] 3VSENSE[A/B] Input current 0.35 µA VIL LOW-Level Input Voltage IL IL –0.5 0.8 V ON[A/B], AUXEN[A/B], GPI_[A0/B0], /FORCE_ON[A/B] VOL Output LOW Voltage I OL OL OL = 3mA OL OL 0.4 V /FAULT[A/B], /PWRGD[A/B], /INT, SDA VIH HIGH-Level Input Voltage 2.1 3.6 V ON[A/B], AUXEN[A/B], GPI_[A0/B0], /FORCE_ON[A/B], A[0-2], SCL, SDA RPULLUP(A0 -A2) Internal Pull-ups from A[0-2] 40 kΩ to VSTBY[A/B] ILKG,OFF(12VIN[A/B]) 12VIN[A/B] Input leakage current VSTBY = VSTBY[A/B] = +3.3V, 1 µA STBY STBY 12VIN[A/B] = OFF; 3VIN[A/B] = OFF LKG,OFF( LKG,OFF(12VIN[A/B]) 12VIN[A/B]) ILKG,OFF(3VIN[A/B]) 3VIN[A/B] Input leakage current VSTBY = VSTBY[A/B] = +3.3V, 1 µA STBY STBY 3VIN[A/B] = OFF; 12VIN[A/B] = OFF LKG,OFF( LKG,OFF(3VIN[A/B]) 3VIN[A/B]) IIL Input Leakage Current IL IL ±5 µA SCL, ON[A/B], AUXEN[A/B], /FORCE_ON[A/B] ILKG(OFF) Off-State Leakage Current GPI_[A0/B0]: ILKG for these two pins ±5 µA /FAULT[A/B], /PWRGD[A/B], measured with V LKG(OFF) LKG(OFF) AUX /FAULT[A/B], /PWRGD[A/B], measured with V /FAULT[A/B], /PWRGD[A/B], measured with V OFF /INT, SDA, GPI_[A0/B0] TOV Overtemperature Shutdown and Reset TJ increasing, each slot(6) (6) 140 °C Thresholds, with overcurrent on slot TJ decreasing, each slot(6) 130 °C Overtemperature Shutdown and TJ increasing, both slots(6) (6) 160 °C Reset Thresholds, all other conditions TJ decreasing, both slots(6) 150 °C (all outputs will latch OFF) RDS(AUX) Output MOSFET Resistance IDS = 375mA, TJ = 125°C 400 mΩ VAUX[A/B] MOSFET VOFF(VAUX) Off-State Output Offset Voltage VAUX[A/B] Off-State Output Offset Voltage V Off-State Output Offset Voltage V = Off, TJ = 125°C 50 mV VAUX[A/B] V V Notes: 5. Specification for packaged product only. 6. Parameters guaranteed by design. Not 100% production tested. Symbol Parameter Condition Min Typ Max Units Symbol Parameter Condition Min Typ Max Units Symbol Parameter Condition Min Typ Max Units Symbol Parameter Condition Min Typ Max Units Symbol Parameter Condition Min Typ Max Units Symbol Parameter Condition Min Typ Max Units SF C Scaling Factor and/or Delay(ms) = C Current Limit Threshold Voltages 12V[A/B] supplies 3.3V[A/B] supplies V 12VOUT[A/B] and 3VOUT[A/B] V Fast-Trip Threshold Voltages V MIC2591B-5BTQ Disabled LOW-Level Input Voltage ON[A/B], AUXEN[A/B], GPI_[A0/B0], /FORCE_ON[A/B] Output LOW Voltage I /FAULT[A/B], /PWRGD[A/B], /INT, SDA HIGH-Level Input Voltage ON[A/B], AUXEN[A/B], GPI_[A0/B0], /FORCE_ON[A/B], A[0-2], SCL, SDA to V 12VIN[A/B] = OFF; 3VIN[A/B] = OFF 3VIN[A/B] = OFF; 12VIN[A/B] = OFF Input Leakage Current SCL, ON[A/B], AUXEN[A/B], /FORCE_ON[A/B] Off-State Leakage Current GPI_[A0/B0]: I /FAULT[A/B], /PWRGD[A/B], measured with V /INT, SDA, GPI_[A0/B0] Thresholds, with overcurrent on slot T Overtemperature Shutdown and T (all outputs will latch OFF) Output MOSFET Resistance I VAUX[A/B] MOSFET Off-State Output Offset Voltage V V Overcurrent Delay V Scaling Factor and/or (µF) V 3.3V[A/B] supplies V 12VOUT[A/B] and 3VOUT[A/B] V Fast-Trip Threshold Voltages V MIC2591B-5BTQ Disabled 12VSENSE[A/B] Input current 0.35 µA 3VSENSE[A/B] Input current 0.35 µA LOW-Level Input Voltage Output LOW Voltage I HIGH-Level Input Voltage ON[A/B], AUXEN[A/B], GPI_[A0/B0], Internal Pull-ups from A[0-2] 40 kΩ 12VIN[A/B] Input leakage current V 12VIN[A/B] = OFF; 3VIN[A/B] = OFF 3VIN[A/B] Input leakage current V 3VIN[A/B] = OFF; 12VIN[A/B] = OFF Input Leakage Current Off-State Leakage Current GPI_[A0/B0]: I /FAULT[A/B], /PWRGD[A/B], measured with V /INT, SDA, GPI_[A0/B0] T Thresholds, with overcurrent on slot T Overtemperature Shutdown and T T Output MOSFET Resistance I Off-State Output Offset Voltage V MIC2591B-5BTQ Disabled 12VSENSE[A/B] Input current 0.35 µA 3VSENSE[A/B] Input current 0.35 µA = 3mA Internal Pull-ups from A[0-2] 40 kΩ = VSTBY[A/B] = +3.3V, 1 µA 12VIN[A/B] = OFF; 3VIN[A/B] = OFF = VSTBY[A/B] = +3.3V, 1 µA 3VIN[A/B] = OFF; 12VIN[A/B] = OFF Input Leakage Current for these two pins 140 °C 130 °C 160 °C 150 °C = 125°C = 125°C 5 50 50 100 150 MIC2591B-5BTQ Disabled 12VSENSE[A/B] Input current 0.35 µA 3VSENSE[A/B] Input current 0.35 µA = 3mA Internal Pull-ups from A[0-2] 40 kΩ = VSTBY[A/B] = +3.3V, 1 µA 12VIN[A/B] = OFF; 3VIN[A/B] = OFF = VSTBY[A/B] = +3.3V, 1 µA 3VIN[A/B] = OFF; 12VIN[A/B] = OFF Input Leakage Current for these two pins 140 °C 130 °C 160 °C 150 °C = 125°C = 125°C MIC2591B-5BTQ Disabled 12VSENSE[A/B] Input current 0.35 µA 3VSENSE[A/B] Input current 0.35 µA Internal Pull-ups from A[0-2] 40 kΩ = VSTBY[A/B] = +3.3V, 1 µA = VSTBY[A/B] = +3.3V, 1 µA 140 °C 130 °C 160 °C 150 °C mV mV mV mV 12VSENSE[A/B] Input current 0.35 µA 3VSENSE[A/B] Input current 0.35 µA V V V Internal Pull-ups from A[0-2] 40 kΩ = VSTBY[A/B] = +3.3V, 1 µA = VSTBY[A/B] = +3.3V, 1 µA µA µA 140 °C 130 °C 160 °C 150 °C mΩ mV MIC2591B-2BTQ MIC2591B-3BTQ MIC2591B-5BTQ Disabled |
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