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TL2575-ADJIKTTRG3 데이터시트(PDF) 6 Page - Texas Instruments |
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TL2575-ADJIKTTRG3 데이터시트(HTML) 6 Page - Texas Instruments |
6 / 34 page TL2575, TL2575HV SLVS638C – JANUARY 2006 – REVISED NOVEMBER 2014 www.ti.com Electrical Characteristics — TL2575 (continued) ILOAD = 200 mA, VIN = 12 V for 3.3-V, 5-V, and adjustable versions, VIN = 25 V for 12-V version, VIN = 30 V for 15-V version (unless otherwise noted) (see Figure 11) TL2575 PARAMETER TEST CONDITIONS TJ UNIT MIN TYP MAX 25°C 2.2 1.4 ON/OFF high-level logic VIH OFF (VOUT = 0 V) V input voltage Full range 2.4 25°C 1.2 1 ON/OFF low-level logic VIL ON (VOUT = nominal voltage) V input voltage Full range 0.8 IIH ON/OFF high-level input current OFF (ON/OFF = 5 V) 25°C 12 30 μA IIL ON/OFF low-level input current ON (ON/OFF = 0 V) 25°C 0 10 μA 7.6 Electrical Characteristics — TL2575HV ILOAD = 200 mA, VIN = 12 V for 3.3-V, 5-V, and adjustable versions, VIN = 25 V for 12-V version, VIN = 30 V for 15-V version (unless otherwise noted) (see Figure 11) TL2575HV PARAMETER TEST CONDITIONS TJ UNIT MIN TYP MAX VIN = 12 V, ILOAD = 0.2 A 25°C 3.234 3.3 3.366 TL2575HV-33 25°C 3.168 3.3 3.450 4.75 V ≤ VIN ≤ 60 V, 0.2 A ≤ ILOAD ≤ 1 A Full range 3.135 3.482 VIN = 12 V, ILOAD = 0.2 A 25°C 4.9 5 5.1 TL2575HV-05 25°C 4.8 5 5.225 8 V ≤ VIN ≤ 60 V, 0.2 A ≤ ILOAD ≤ 1 A Full range 4.75 5.275 VOUT Output voltage V VIN = 25 V, ILOAD = 0.2 A 25°C 11.76 12 12.24 TL2575HV-12 25°C 11.52 12 12.54 15 V ≤ VIN ≤ 60 V, 0.2 A ≤ ILOAD ≤ 1 A Full range 11.4 12.66 VIN = 30 V, ILOAD = 0.2 A 25°C 14.7 15 15.3 TL2575HV-15 25°C 14.4 15 15.68 18 V ≤ VIN ≤ 60 V, 0.2 A ≤ ILOAD ≤ 1 A Full range 14.25 15 15.83 VIN = 12 V, VOUT = 5 V, 25°C 1.217 1.23 1.243 ILOAD = 0.2 A Feedback voltage TL2575HV-ADJ V 25°C 1.193 1.23 1.273 8 V ≤ VIN ≤ 60 V, VOUT = 5 V, 0.2 A ≤ ILOAD ≤ 1 A Full range 1.180 1.286 TL2575HV-33 VIN = 12 V, ILOAD = 1 A 75% TL2575HV-05 VIN = 12 V, ILOAD = 1 A 77% TL2575HV-12 VIN = 15 V, ILOAD = 1 A 88% η Efficiency 25°C TL2575HV-15 VIN = 18 V, ILOAD = 1 A 88% VIN = 12 V, VOUT = 5 V, TL2575HV-ADJ 77% ILOAD = 1 A 25°C 50 100 IIB Feedback bias current VOUT = 5 V (ADJ version only) nA Full range 500 25°C 47 52 58 fo Oscillator frequency(1) kHz Full range 42 63 25°C 0.9 1.2 VSAT Saturation voltage IOUT = 1 A (2) V Full range 1.4 Maximum duty cycle(3) 25°C 93% 98% (1) In the event of an output short or an overload condition, self-protection features lower the oscillator frequency to ≈18 kHz and the minimum duty cycle from 5% to ≈2%. The resulting output voltage drops to ≈40% of its nominal value, causing the average power dissipated by the IC to lower. (2) Output is not connected to diode, inductor, or capacitor. Output is sourcing current. (3) FEEDBACK is disconnected from output and connected to 0 V. 6 Submit Documentation Feedback Copyright © 2006–2014, Texas Instruments Incorporated Product Folder Links: TL2575 TL2575HV |
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