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TLV62090RGTT Datasheet(PDF) 3 Page - Texas Instruments |
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TLV62090RGTT Datasheet(HTML) 3 Page - Texas Instruments |
3 / 23 page TLV62090 www.ti.com SLVSBB9B – MARCH 2012 – REVISED APRIL 2012 ELECTRICAL CHARACTERISTICS VIN = 3.6V, TA = –40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY VIN Input voltage range 2.5 5.5 V IQIN Quiescent current Not switching, FB = FB +5 %, Into PVIN and AVIN 20 µA Isd Shutdown current Into PVIN and AVIN 0.6 5 µA Undervoltage lockout threshold VIN falling 2.1 2.2 2.3 V UVLO Undervoltage lockout hysteresis 200 mV Thermal shutdown Temperature rising 150 ºC Thermal shutdown hysteresis 20 ºC Control SIGNAL EN VH High level input voltage VIN = 2.5 V to 6 V 1 V VL Low level input voltage VIN = 2.5 V to 6 V 0.4 V Ilkg Input leakage current EN = GND or VIN 10 100 nA RPD Pull down resistance 400 k Ω Softstart ISS Softstart current 6.3 7.5 8.7 µA POWER GOOD Output voltage rising 95% Vth Power good threshold Output voltage falling 90% VL Low level voltage I(sink) = 1mA 0.4 V IPG PG sinking current 1 mA Ilkg Leakage current VPG = 3.6V 10 100 nA POWER SWITCH High side FET on-resistance ISW = 500 mA 50 m Ω RDS(on) Low side FET on-resistance ISW = 500 mA 40 m Ω High side FET switch current ILIM 3.7 4.6 5.5 A limit fs Switching frequency IOUT = 3 A 1.4 MHz OUTPUT Vs Output voltage range 0.8 VIN V Rod Output discharge resistor EN = GND, VOUT = 1.8 V 200 Ω VFB Feedback regulation voltage 0.8 V VIN ≥ VOUT + 1 V, TPS62090 adjustable output version IOUT = 1 A, PWM mode -1.4% +1.4% Feedback voltage VFB accuracy(1) (2) IOUT = 0 mA, VOUT ≥ 1.2 V, PFM mode -1.4% +3% IOUT = 0 mA, VOUT < 1.2V, PFM mode -1.4% +3.7% IFB Feedback input bias current VFB = 0.8V, TPS62090 adjustable output version 10 100 nA Line regulation VOUT = 1.8 V, PWM operation 0.016 %/V Load regulation VOUT = 1.8 V, PWM operation 0.04 %/A (1) For output voltages < 1.2 V, use a 2 x 22 µF output capacitance to achieve +3% output voltage accuracy in PFM mode. (2) Conditions: L = 1 µH, COUT = 22 µF. For more information, see the Power Save Mode Operation section of this data sheet. Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TLV62090 |
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