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LM10692RMYT データシート(PDF) 8 Page - Texas Instruments |
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LM10692RMYT データシート(HTML) 8 Page - Texas Instruments |
8 / 48 page LM10692 SNVSA53 – JULY 2014 www.ti.com 7.6 Buck 1 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 TEST CONDITIONS UNIT MIN TYP(3) MAX VOUT Output Voltage default value 2.76 2.85 2.93 V IOUT-MAX Continuous maximum load current Buck 1 enabled, (see (3)) 2.5 A IPEAK Peak switching current limit Buck 1 enabled 4.2 A ηSW1-5V Efficiency, Buck 1(3) IOUT = 5mA to 1A, VIN = 3.3 V 80% 95% FSW Switching Frequency PWM operation 2 MHz CIN Input Capacitor(3) 22 µF Output Filter Capacitor(3) 22 µF COUT 0 mA ≤ IOUT ≤ IOUT-MAX Output Capacitor ESR(3) 10 m Ω L Output Filter Inductance(3) 1 µH Feedback Voltage VOUT = 2.85 V (default), 2.85 VFB1 V PWM Mode, No Load (%) DC Line regulation(3) 2.5 V ≤ VIN ≤ 5V, -1% 1% IOUT = IOUT-MAX ∆VOUT DC Load regulation(3) Vin = 3.3 V , -1% 1% 0.1 × IOUT-MAX ≤ Iout ≤ IOUT-MAX IFB Feedback pin input bias current VFB = 2.85 V 7 µA RDS-ON-HS High Side Switch On Resistance Measured pin-to-pin, Vin = 3.3 V 80 m Ω RDS-ON-LS Low Side Switch On Resistance 115 m Ω RDISCHARGE Active Discharge Resistance Measured from FB to GND 20 Ω Internal soft-start (turn on time) Start up from shutdown, VOUT = 0 V, 470 no load, VOUT = 95% of 3.3 V in µs bypass mode(3), Cout = 22µF Tstart Start up from shutdown, VOUT = 0 V, 530 no load, VOUT = 95% of 3.3 V in µs bypass mode(3), Cout = 66µF (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. 8 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Product Folder Links: LM10692 |
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