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TS51111-M22WCSR Datasheet(PDF) 8 Page - Semtech Corporation |
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TS51111-M22WCSR Datasheet(HTML) 8 Page - Semtech Corporation |
8 / 22 page TS51111 Final Datasheet Rev 2.2 April 17, 2015 www.semtech.com 8 of 22 Semtech Proprietary & Confidential Thermal Characteristics Symbol Parameter Value Units θ JA 36QFN Thermal Resistance Junction to Air (Note 1) 32 °C/W Note 1: Assumes 3.917 x 3.917 in2 area of 1 oz copper, 4 layer PCB, 4 thermal vias under PAD, and 25°C ambient temperature. Characteristics Electrical Characteristics, T J = -40C to 85C, PDC = PACKP = 4.2V (unless otherwise noted) Symbol Parameter Condition Min Typ Max Unit I Q I Q,Standby,LPM Quiescent Current in Low Power Mode Current from PACKP, ILDO = 0, EN_ VREF = EN_SW = EN_PRE = 0 20 30 uA I Q,Disable Quiescent Current in Disable (Direct Charge, Low Power Mode disabled) Current from PACKP, ILDO = 0, EN_ VREF = EN_SW = EN_PRE = 0 2 uA UVLO V UVLO-PACK_P PACKP UVLO PACKP Rising 2.1 V HYST UVLO-PACK_P PACKP UVLO Hysteresis 400 mV PDC-PACKP Pass Device T SW-ON Delay from EN_SW to switch ON 200 us T SW-OFF Delay from EN_SW to switch OFF 100 ns I PRECHARGE Precharge Current Relative to set point T = 25C; PDC = 3.5V; PACKP = 2.7V I NOM -20% I NOM I NOM +20% TC PRECHARGE Precharge Current Temperature Coefficient 25C to 85C -0.3 %/C I LIMIT Current Limit At 3.2 A setting 2.2 3.2 A UART T RX Delay from UART to RX 0.7 us T TX Delay from TX to UART 0.6 us V T,UART UART threshold 0.8 V V T,TX TX threshold 0.8 V R dson,RX RX Switch Resistance 10 Ω SDA / SCl / EN_MOD Digital Inputs V IH VCORE = 1.5V Voltage Rising 0.875 V V IL VCORE = 1.5V Voltage Falling 0.465 V V IH VCORE = 1.8V Voltage Rising 1.01 V V IL VCORE = 1.8V Voltage Falling 0.525 V V IH VCORE = 2.5V Voltage Rising 1.25 V V IL VCORE = 2.5V Voltage Falling 0.665 V V IH VCORE = 3.3V Voltage Rising 1.47 V V IL VCORE = 3.3V Voltage Falling 0.825 V R IN Pin input impedance Resistance to GND 1M Ω |
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