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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TPS61178 датащи(PDF) 5 Page - Texas Instruments |
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TPS61178 датащи(HTML) 5 Page - Texas Instruments |
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5 / 35 page  5 TPS61178, TPS611781 www.ti.com SLVSDA7 – FEBRUARY 2017 Product Folder Links: TPS61178 TPS611781 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated 7.5 Electrical Characteristics VIN = 2.7 V to 14 V and VOUT = 16 V, TJ = - 40 °C to 125 °C , Typical values are at TJ = 25 °C, unless otherwise noted. PARAMETER TEST CONDITION MIN TYP MAX UNIT POWER SUPPLY VIN Input voltage range 2.7 20 V VIN_UVLO Input voltage under voltage lockout (UVLO) threshold VIN rising 2.6 2.7 V VIN falling 2.2 2.3 VIN_HYS VIN UVLO hysteresis 400 mV VCC VCC regulation voltage ICC = 5mA, VIN = 8V 6 V VCC_UVLO VCC UVLO threshold VCC falling 2.1 V IQ Quiescent current into VIN pin IC enabled, no load, no ext. FET VIN = 6 V, VOUT = 20 V, VFB = 1.3 V, –40 °C ≤ TJ ≤ 85°C 1.5 3 µA Quiescent current into VIN pin IC enabled, no load, no ext. FET VIN = 20 V, VOUT = 20 V, VFB = 1.3 V, –40 °C ≤ TJ ≤ 85°C 270 330 Quiescent current into VOUT pin IC enabled, no load, no ext. FET VIN = 6 V, VFB = 1.3 V, VOUT = 20 V, –40 °C ≤ TJ ≤ 85°C 250 310 Quiescent current into VOUT pin IC enabled, no load, no ext. FET VIN = 20 V, VOUT = 20 V, VFB = 1.3 V, –40 °C ≤ TJ ≤ 85°C 5 12 ISD Shutdown current into VIN pin IC disabled, VIN = 6 V, –40 °C ≤ TJ ≤ 85°C 1 3.5 µA IC disabled, VIN = 20 V, –40 °C ≤ TJ ≤ 85°C 3 6 µA ILS_LKG Leakage current of LS FET IC disabled, VIN = VOUT = SW = 20 V –40 °C ≤ TJ ≤ 85°C 0.1 6.5 µA OUTPUT VOLTAGE VOUT Output voltage range Freq = 500 kHz 4.5 20 V VOVP Output over-voltage protection threshold VIN = 8 V, VOUT rising 20.5 21 21.5 V POWER SWITCHES RDS(on) High-side MOSFET on resistance VCC = 6 V 16 25 mΩ Low-side MOSFET on resistance VCC = 6 V 16 25 mΩ Gm Power stage trans-conductance (peak current ratio with comp voltage) VCC = 6 V 12 A/V CURRENT LIMIT ILIM_SW TPS61178 ( Auto PFM ) Peak switching current limit RLIMIT = 80.6 kΩ, Maximum Duty Cycle 6.4 8 9.4 A TPS611781 ( Forced PWM ) Peak switching current limit RLIMIT = 80.6 kΩ, Maximum Duty Cycle 5.4 7.2 8.4 A ILIM_SHORT TPS61178 short current limit 20 A VOLTAGE REFERENCE VREF Reference Voltage at FB pin PWM Operation 1.180 1.198 1.210 V Auto PFM Operation 101% VREF IFB_LKG Leakage current into FB pin 10 60 nA |
Аналогичный номер детали - TPS61178 |
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Аналогичное описание - TPS61178 |
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