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Datasheet LTC1704, LTC1704B (Analog Devices) - 4

ПроизводительAnalog Devices
Описание550kHz Synchronous Switching Regulator Controller Plus Linear Regulator Controller
Страниц / Страница28 / 4 — TYPICAL PERFOR A CE CHARACTERISTICS. FB vs Temperature. FB Line …
Формат / Размер файлаPDF / 356 Кб
Язык документаанглийский

TYPICAL PERFOR A CE CHARACTERISTICS. FB vs Temperature. FB Line Regulation. Switcher Current Limit Threshold

TYPICAL PERFOR A CE CHARACTERISTICS FB vs Temperature FB Line Regulation Switcher Current Limit Threshold

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Модельный ряд для этого даташита

Текстовая версия документа

LTC1704/LTC1704B
W U TYPICAL PERFOR A CE CHARACTERISTICS V V FB vs Temperature FB Line Regulation
0.812 0.80 0.10 VCC = 5V TA = 25°C 0.64 0.08 0.808 0.48 0.06 0.32 0.04 0.804 ∆ 0.16 0.02 VFB (V) 0.800 (mV) (%) 0 0 FBV FB∆V–0.16 –0.02 0.796 –0.32 –0.04 –0.48 –0.06 0.792 –0.64 –0.08 0.788 –0.80 –0.10 –50 –25 0 25 50 75 100 125 3 3.5 4 4.5 5 5.5 6 TEMPERATURE (°C) VCC (V) 1704 G01 1704 G02
Switcher Current Limit Threshold VOUTSW Load Regulation vs Temperature
0.6 0.03 24 TA = 25°C VIN = 5V V V 0 OUTSW = 1.8V 0 22 OUTSW = 1.8V ∆VOUTSW = –1% RIMAX = 13.7k –0.6 – 0.03 ∆ 20 QT = QB = 2xFDS6670A VOUTSW (mV) –1.2 –0.07 18 (%) OUTSW –1.8 –0.10 16 ∆V –2.4 –0.13 14 –3.0 –0.17 CURRENT LIMIT THRESHOLD (A) 12 –3.6 –0.20 10 0 3 6 9 12 15 –50 –25 0 25 50 75 100 125 ILOAD (A) TEMPERATURE (°C) 1704 G03 1704 G08
VOUTSW 0.5A to 5.5A Load Step VOUTSW Burst Mode Operation (Burst Mode Operation) VOUTSW 5A to 10A Load Step at 1A Load
100µs/DIV 1704 G05 50µs/DIV 1704 G06 20µs/DIV 1704 G07 CH1: VOUTSW = 1.8V, AC 50mV/DIV CH1: VOUTSW = 1.8V, AC 50mV/DIV CH1: VOUTSW = 1.8V, AC 20mV/DIV CH2: 0.5A to 5.5A LOAD, 5A DIV CH2: 5A to 10A LOAD, 5A DIV CH2: VTG, 5V DIV 1704bfa 4
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