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LM53600LQDSXTQ1 データシート(PDF) 7 Page - Texas Instruments |
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LM53600LQDSXTQ1 データシート(HTML) 7 Page - Texas Instruments |
7 / 44 page 7 LM53600-Q1, LM53601-Q1 www.ti.com SNAS660B – JUNE 2015 – REVISED FEBRUARY 2016 Product Folder Links: LM53600-Q1 LM53601-Q1 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Electrical Characteristics (continued) Limits apply over the recommended operating junction temperature range of –40°C to 150°C, unless otherwise noted. Minimum and maximum limits are ensured through test, design or statistical correlation. Typical values represent the most likely parametric norm at Tj = 25°C, and are provided for reference purposes only. Unless otherwise stated the following conditions apply: Vin = 13.5 V. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT (1) Ensured by design, statistical analysis and production testing of correlated parameters; not tested in production. (2) High side current limit is a function of duty factor. Current limit value is highest at small duty factor and less at higher duty factors. Fsw Switching frequency VIN = 13.5 V, Center frequency with spread spectrum, PWM operation 1.89 2.1 2.4 MHz VIN = 13.5 V, Without spread spectrum, PWM operation 1.89 2.1 2.4 VIN = 36 V, 3.3-V fixed output device and adjustable devices regardless of output voltage 1.0 VIN = 36 V, 5-V fixed output device 1.5 FSYNC Sync frequency range Output setting + 1 V < VIN < 18 V 1.9 2.1 2.3 MHz DSYNC Sync input duty cycle range High state input < 5.5 V and > 2.3 V 25% 75% VSYNC/MODE SYNC/MODE input threshold voltage SYNC/MODE input high (MODE=FPWM) 1.5 V SYNC/MODE input low (MODE = AUTO with diode emulation) 0.4 SYNC/MODE input hysteresis 0.185 1 FSSS Frequency span of spread spectrum operation(1) ±4% FPSS Spread spectrum pattern frequency(1) 30 Hz ISYNC/MODE SYNC/MODE leakage current Vin = 13.5 V, VSYNC/MODE = 3.3 V 1 µA VIN = VSYNC/MODE = 13.5 V 5 tMODE Mode change transition time (1) To FPWM Mode 20 mA load, VIN = 13.5 V 100 µs To AUTO Mode 20-mA load, VIN = 13.5 V 60 IL_HS High side switch current limit (2) LM53600-Q1 Duty cycle approaches 0% 1.0 1.35 1.65 A LM53601-Q1 Duty cycle approaches 0% 1.5 1.83 2.1 IL_LS Low side switch current limit LM53600-Q1 0.65 0.78 0.93 A LM53601-Q1 1.0 1.2 1.43 IL_ZC Zero-cross current limit MODE/SYNC = Low –0.01 A IL_NEG Negative current limit MODE/SYNC = High LM53600-Q1 –0.7 A LM53601-Q1 –0.7 Rdson Power switch on-resistance High side MOSFET Rdson 220 m Ω Low side MOSFET Rdson 200 VEN Enable input threshold voltage - rising Enable rising 1.7 - 2.0 V VEN_HYST Enable threshold hysteresis 0.40 - 0.55 V VEN_WAKE Enable Wake-up threshold 0.4 V IEN Enable pin input current VIN = VEN = 13.5 V 2.7 µA Vcc Internal Vcc voltage VIN = 13.5 V, Vbias= 0 V 3.05 V VIN = 13.5 V, Vbias= 3.3 V 3.15 Vcc_UVLO Internal Vcc input under voltage lock-out VCC rising 2.7 V |
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同様の説明 - LM53600LQDSXTQ1 |
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