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TPS5618 데이터시트(PDF) 10 Page - Texas Instruments |
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TPS5618 데이터시트(HTML) 10 Page - Texas Instruments |
10 / 25 page TPS5615, TPS5618, TPS5625, TPS5633 SYNCHRONOUS-BUCK HYSTERETIC REGULATOR CONTROLLER SLVS177A – SEPTEMBER 1998 – REVISED NOVEMBER 1998 10 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating virtual junction temperature range, VCC = 12 V, IDRV = 0 A (unless otherwise noted) (continued) high-side VDS sensing PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Gain 2 V/V Initial accuracy VHISENSE = 12 V, VLOSENSE = 11.9 V 194 206 mV Initial accuracy Differential input to Vds sensing amp = 100 mV 194 206 mV IOUTLO sink current 5 V ≤ VIOUTLO ≤ 13 V 250 nA IOUT source current VIOUT = 0.5 V, VIOUTLO = 11.5 V VHISENSE = 12 V, 500 µA IOUT sink current VIOUT = 0.05 V, VIOUTLO = 12 V VHISENSE = 12 V, 50 µA VHISENSE = 11 V 0 2 Output voltage swing VHISENSE = 4.5 V RIOUT = 10 kΩ 0 1.5 V VHISENSE = 3 V 0 0.75 LOSENSE high-level input voltage VHISENSE = 4.5 V, See Note 2 2.85 V LOSENSE low-level input voltage VHISENSE = 4.5 V, See Note 2 2.4 V 11.4 V ≤ VHISENSE ≤ 12.6 V, LOSENSE connected to HISENSE, VHISENSE – VIOUTLO = 0.15 V 50 60 80 Sample/hold resistance 4.5 V ≤ VHISENSE ≤ 5.5 V, LOSENSE connected to HISENSE, VHISENSE – VIOUTLO = 0.15 V 62 85 123 Ω 3 V ≤ VHISENSE ≤ 3.6 V, LOSENSE connected to HISENSE, VHISENSE – VIOUTLO = 0.15 V 67 95 144 CMRR VHISENSE = 12.6 V to 3 V, VHISENSE – VOUTLO = 100 mV 69 75 dB NOTE 2: Ensured by design, not tested. deadtime PARAMETER TEST CONDITIONS MIN TYP MAX UNIT LOHIB High level input voltage See Note 2 2.4 V LODR High-level input voltage See Note 2 3 V LOHIB Low level input voltage See Note 2 1.4 V LODR Low-level input voltage See Note 2 1.7 V NOTE 2: Ensured by design, not tested. LODRV PARAMETER TEST CONDITIONS MIN TYP MAX UNIT LODRV High-level input voltage 1.85 V LODRV Low-level input voltage 0.95 V drive regulator PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Output voltage 11.4 V ≤ VCC ≤ 12.6 V, IDRV = 50 mA 7 9 V Output regulation 1 mA ≤ IDRV ≤ 500 mA 100 mV Short-circuit current 100 mA |
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