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LM10692RMYT データシート(PDF) 9 Page - Texas Instruments |
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LM10692RMYT データシート(HTML) 9 Page - Texas Instruments |
9 / 48 page LM10692 www.ti.com SNVSA53 – JULY 2014 7.7 Buck 2 Electrical Characteristic (1) (2) over operating free-air temperature range (unless otherwise noted) Unless otherwise noted, VIN = 3.3V, where: VIN =VIN_B1=VIN_B2, VIN_B3=VIN_B4=VIN_B5= VIN_B6. The application circuit used is the one shown in “Typical Application Circuit" TA = 25°C PARAMETER CONDITIONS UNIT MIN TYP(3) MAX VOUT Output Voltage default value 2.42 2.5 2.57 V IOUT-MAX Continuous maximum load current Buck 2 enabled(3) 0.2 A IPEAK Peak switching current limit Buck 2 enabled 1.9 A ηSW2-5V Efficiency, Buck 2(3) IOUT = 100 µA to 0.2 A, VOUT = 2.5 V, 80% 90% L= 2.2 µH, ESRL = 220 m Ω FSW Switching Frequency PWM operation 2 MHz CIN Input Capacitor(3) 4.7 µF COUT Output Filter Capacitor(3) 10 µF 0 mA ≤ IOUT ≤ IOUT-MAX Output Capacitor ESR(3) 10 m Ω L Output Filter Inductance(3) 2.2 µH VFB2 Feedback Voltage VOUT = 2.5 V (default), 2.5 V PWM Mode, No Load ∆VOUT DC Line regulation(3) 2.9 V ≤ VIN ≤5.0V, -1% 1% IOUT = IOUT-MAX DC Load regulation(3) Vin = 3.3, -1% 1% 0.1 × IOUT-MAX ≤ Iout ≤ IOUT-MAX IFB Feedback pin input bias current VFB = 2.5 V 5 µA RDS-ON-HS High Side Switch On Resistance Measured pin-to-pin, Vin = 3.3 V 135 m Ω RDS-ON-LS Low Side Switch On Resistance 105 m Ω RDISCHARGE Active Discharge Resistance Measured from FB to GND 18 Ω Tstart Internal soft-start (turn on time) Start up from shutdown, VOUT= 0 V, no 275 µs load, VOUT = 95% of 2.5 V(3), Cout=22µF (1) All limits are guaranteed by design, test and/or statistical analysis. All electrical characteristics having room-temperature limits are tested during production with TA = 25M C. All hot and cold limits are guaranteed by correlating the electrical characteristics to process and temperature variations and applying statistical process control. (2) Capacitors: Low-ESR Surface-Mount Ceramic Capacitors (MLCCs) are used in setting electrical characteristics. (3) Specification ensured by design. Not tested during production. Copyright © 2014, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: LM10692 |
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