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TL2575-33IKTTRG3 데이터시트(PDF) 5 Page - Texas Instruments |
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TL2575-33IKTTRG3 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 29 page www.ti.com TL2575 Electrical Characteristics TL2575, TL2575HV 1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATORS SLVS638B – MAY 2006 – REVISED JANUARY 2007 I LOAD = 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 2) TL2575 PARAMETER TEST CONDITIONS TJ UNIT MIN TYP MAX VIN = 12 V, ILOAD = 0.2 A 25 °C 3.234 3.3 3.366 TL2575-33 25 °C 3.168 3.3 3.432 4.75 V ≤ V IN ≤ 40 V, 0.2 A ≤ I LOAD ≤ 1 A Full range 3.135 3.465 VIN = 12 V, ILOAD = 0.2 A 25 °C 4.9 5 5.1 TL2575-05 25 °C 4.8 5 5.2 8 V ≤ V IN ≤ 40 V, 0.2 A ≤ I LOAD ≤ 1 A Full range 4.75 5.25 VOUT Output voltage V VIN = 25 V, ILOAD = 0.2 A 25 °C 11.76 12 12.24 TL2575-12 25 °C 11.52 12 12.48 15 V ≤ V IN ≤ 40 V, 0.2 A ≤ I LOAD ≤ 1 A Full range 11.4 12.6 VIN = 30 V, ILOAD = 0.2 A 25 °C 14.7 15 15.3 TL2575-15 25 °C 14.4 15 15.6 18 V ≤ V IN ≤ 40 V, 0.2 A ≤ I LOAD ≤ 1 A Full range 14.25 15 15.75 VIN = 12 V, VOUT = 5 V, 25 °C 1.217 1.23 1.243 ILOAD = 0.2 A Feedback voltage TL2575-ADJ V 25 °C 1.193 1.23 1.267 8 V ≤ V IN ≤ 40 V, VOUT = 5 V, 0.2 A ≤ I LOAD ≤ 1 A Full range 1.18 1.28 TL2575-33 VIN = 12 V, ILOAD = 1 A 75 TL2575-05 VIN = 12 V, ILOAD = 1 A 77 TL2575-12 VIN = 15 V, ILOAD = 1 A 88 η Efficiency 25 °C % TL2575-15 VIN = 18 V, ILOAD = 1 A 88 VIN = 12 V, VOUT = 5 V, TL2575-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 % 25 °C 1.7 2.8 3.6 ICL Switch peak current(1)(2) A Full range 1.3 4 VIN = 40(4), Output = 0 V 2 IL Output leakage current 25 °C mA VIN = 40(4), Output = –1 V 7.5 30 IQ Quiescent current(4) 25 °C 5 10 mA ISTBY Standby quiescent current OFF (ON/OFF = 5 V) 25 °C 50 200 µA (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. (4) To force the output transistor off, FEEDBACK is disconnected from output and connected to 12 V for the adjustable, 3.3-V, and 5-V versions and to 25 V for the 12-V and 15-V versions. 5 Submit Documentation Feedback |
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