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TPS92515HVQDGQRQ1 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS92515HVQDGQRQ1 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 39 page 5 TPS92515, TPS92515-Q1, TPS92515HV, TPS92515HV-Q1 www.ti.com SLUSBZ6A – APRIL 2016 – REVISED AUGUST 2016 Product Folder Links: TPS92515 TPS92515-Q1 TPS92515HV TPS92515HV-Q1 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated 7.5 Electrical Characteristics VIN = 40 V, –40°C ≤ TJ ≤ 150°C, VBOOT is referenced to SW pin, unless otherwise specified. PARAMETER TEST CONDITION MIN TYP MAX UNIT PEAK CURRENT COMPARATOR VCST VIN– VCSN peak current threshold VIADJ = VCC 224 240 251 mV VIADJ = 2.2 V 211.5 220 223.5 mV AADJ VIADJ to VIN – VCSN threshold gain 0.1 ≤ VIADJ ≤ 2.2 V 0.1 V/V ICSN Current sense pin, input bias current –5 0 µA tDEL CSN pin falling delay CSN fall to SW fall 75 130 ns tLEB Minimum ON-time Minimum pulse width 75 195 275 ns SYSTEM CURRENTS Icq Operating current Not switching, VIADJ = VVCC 0.85 1.5 mA INTEGRATED N-Channel MOSFET AND DRIVER RDS(on) FET ON-resistance IDRN-SW = 200mA, VBOOT = 5 V, TJ = 25°C 290 500 mΩ IDRN-SW = 200mA, VBOOT = 5 V, TJ = 150°C 290 600 IDRN-SW = 200mA, VBOOT = 3.5 V, TJ = 25°C 310 500 IDRN-SW = 200mA, VBOOT = 3.5 V, TJ = 150°C 310 650 IDRN-SW(off) FET leakage current VDRN-SW = 6 V, VSW = 0 V 10 µA VBOOT-UVLO Voltage where gate drive is disabled VBOOT falling 2.0 2.8 3.5 V VBOOT-UVLO(hys) BOOT pin UVLO Hysteresis 125 mV IPD(PWM/UVLO) Pull down from SW when PWM low. PWM low, VBOOT = 5 V , VSW = 8 V 100 130 µA IPD(BOOT) Pull down from SW when VBOOT reaches VBOOT-UVLO PWM high, VBOOT < BOOT-UVLO, VSW = 8 V 5 7 mA IBOOT_Q BOOT pin quiescent current VBOOT = 5.5 V, 0 V ≤ VSW ≤ 65 V 60 90 µA VCC/REFERENCE REGULATOR VCC Regulated pin voltage IVCC(ext) ≤ 500 µA 4.8 5.0 5.2 V VCCDO Drop out voltage IVCC(ext) ≤ 500 µA 0.1 0.2 V VCCUVLO VCC undervoltage lockout Falling threshold, VIN = 10 V 4.0 4.2 4.4 V VCCUVLO_hys VCC undervoltage lockout hysteresis 0.22 V IVCC(ILIM) VCC regulator current limit VCC shorted to GND 14 19 23 mA VINUVLO VIN UVLO Falling Threshold 4.65 4.90 5.15 V VINUVLO_hys VIN UVLO Hysteresis 150 190 225 mV OFF-TIMER VOFT OFF-time threshold 0.95 1.00 1.05 V tD(off) COFF threshold COFF to SW rising delay 68 120 ns tOFF(max) Maximum OFF-time 230 µs PWM/UVLO (Enable) IPWM(uvlo) PWM/UVLO pin current VPWM(uvlo) = 5.5 V 10 nA VPWM(uvlo) PWM/UVLO pin threshold PWM pin rising 0.95 1.0 1.05 V VPWM(uvlo-hys) PWM/UVLO pin hysteresis Difference between rising and falling threshold 50 100 150 mV tPWM(uvlo) PWM/UVLO pin delay PWM pin rising to SW pin rising 75 130 ns PWM pin falling to SW pin falling 100 170 ns IPWM(uvlo-hys) PWM/UVLO hysteresis current VPWM(uvlo) = 2 V –25 –20 –15 μA |
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