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LTC4088 Datasheet(PDF) 6 Page - Linear Technology |
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LTC4088 Datasheet(HTML) 6 Page - Linear Technology |
6 / 52 page LTC4155 6 4155fc ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA ≈ TJ = 25°C (Note 2). VBUS = 5V, BATSNS = 3.7V, DVCC = 3.3V, RCLPROG1 = RCLPROG2 = 1.21k, RPROG = 499Ω, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS hCLPROG2 (Note 4) Ratio of Measured VBUS Current to CLPROG2 Sense Current 2.5mA IVBUS Mode (USB Suspend) 100mA IVBUS Mode 500mA IVBUS Mode 600mA IVBUS Mode 700mA IVBUS Mode 800mA IVBUS Mode 900mA IVBUS Mode 1.00A IVBUS Mode 1.25A IVBUS Mode 1.50A IVBUS Mode 1.75A IVBUS Mode 2.00A IVBUS Mode 2.25A IVBUS Mode 2.50A IVBUS Mode 2.75A IVBUS Mode 3.00A IVBUS Mode 19 79 466 557 657 758 839 990 1222 1494 1746 1999 2175 2477 2730 2956 mA/mA mA/mA mA/mA mA/mA mA/mA mA/mA mA/mA mA/mA mA/mA mA/mA mA/mA mA/mA mA/mA mA/mA mA/mA mA/mA VCLPROG1 CLPROG1 Servo Voltage in Current Limit CLPROG1 IVBUS Mode 1.2 V VCLPROG2 CLPROG2 Servo Voltage in Current Limit 2.5mA IVBUS Mode (USB Suspend) 100mA – 3A IVBUS Modes 103 1.2 mV V fOSC Switching Frequency 2.05 2.25 2.50 MHz RPMOS High Side Switch On Resistance 0.090 Ω RNMOS Low Side Switch On Resistance 0.080 Ω RCHG Battery Charger Current Sense Resistance 0.040 Ω IPEAK Peak Inductor Current Clamp 500mA – 3A IVBUS Modes 6.7 A Step-Up Mode PowerPath Switching Regulator (USB On-The-Go) VBUS Output Voltage 0mA ≤ IVBUS ≤ 500mA 4.75 5.25 V VOUT Input Voltage 2.9 V IVBUSOTG Output Current Limit 1.4 A IVOUTOTGQ VOUT Quiescent Current IVBUS = 0mA 1.96 mA VCLPROG2 Output Current Limit Servo Voltage 1.2 V VBATSNSUVLO VBATSNS Undervoltage Lockout VBATSNS Falling Hysteresis 2.65 2.8 130 2.95 V mV tSCFAULT Short-Circuit Fault Delay VBUS < 4V 7.2 ms Overvoltage Protection, Priority Multiplexer and Undervoltage Lockout; USB Input Connected to USBSNS Through 3.6k Resistor; WALL Input Connected to WALLSNS Through 3.6k Resistor VUVLO USB Input, Wall Input Undervoltage Lockout Rising Threshold Falling Threshold Hysteresis 4.05 3.90 100 4.45 4.25 V V mV VDUVLO USB Input, Wall Input to BATSNS Differential Undervoltage Lockout Rising Threshold Falling Threshold Hysteresis 100 50 70 425 375 mV mV mV VOVLO USB Input, Wall Input Overvoltage Protection Threshold Rising Threshold 5.75 6.0 6.3 V VUSBGTACTV USBGT Output Voltage Active USBSNS < VUSBOVLO 2 • VUSBSNS V VWALLGTACTV WALLGT Output Voltage Active WALLSNS < VWALLOVLO 2 • VWALLSNS V VUSBGTPROT USBGT Output Voltage Protected USBSNS > VUSBOVLO 0V |
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Similar Description - LTC4088 |
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