Datasheet LT3796, LT3796-1 (Analog Devices) - 6

HerstellerAnalog Devices
Beschreibung100V Constant-Current and Constant-Voltage Controller with Dual Current Sense
Seiten / Seite36 / 6 — Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. …
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Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. V(ISP-ISN) Full-Scale Threshold vs

Typical perForMance characTerisTics TA = 25°C, unless otherwise noted V(ISP-ISN) Full-Scale Threshold vs

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LT3796/LT3796-1
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. V(ISP-ISN) Full-Scale Threshold vs V(ISP-ISN) Threshold vs VCTRL V(ISP-ISN) Threshold vs VISP Temperature
300 253 254 ISP = 48V 253 CTRL = 2V 250 252 252 200 251 251 150 250 250 THRESHOLD (mV) THRESHOLD (mV) THRESHOLD (mV) 100 249 249 V (ISP-ISN) V (ISP-ISN) 248 V (ISP-ISN) 50 248 247 0 247 246 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0 20 40 60 80 100 –50 –25 0 25 50 75 100 125 150 VCTRL (V) VISP (V) TEMPERATURE (°C) 37961 G01 37961 G02 37961 G03
V(ISP-ISN) Threshold at CTRL = 0.6V vs Temperature V(ISP-ISN) Threshold vs FB Voltage VFB vs Temperature
128 300 1.27 FB1 127 250 1.26 126 FB2 200 (mV) 125 (V) 150 1.25 THRESHOLD (mV) V FB V (ISP-ISN) 124 100 1.24 V (ISP-ISN) 123 50 122 0 1.23 –50 –25 0 25 50 75 100 125 150 1.1 1.15 1.2 1.25 1.3 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VFB (V) TEMPERATURE (°C) 37961 G03a 37961 G04 37961 G05
ISP/ISN Overcurrent Protection ISP/ISN Input Bias Current vs Threshold vs Temperature VISP, VISN VREF Voltage vs Temperature
380 900 2.05 PWM = 5V 800 2.04 I 378 REF = 0µA 700 2.03 ISP 600 2.02 376 500 2.01 (V) 400 2.00 V REF IREF = –100µA 374 300 1.99 372 ISP, ISN BIAS CURRENT (µA) 200 1.98 100 1.97 ISP/ISN OVERCURRENT THRESHOLD (mV) ISN 370 0 1.96 –50 –25 0 25 50 75 100 125 150 0 20 40 60 80 100 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VISP, VISN (V) TEMPERATURE (°C) 37961 G06 37961 G07 37961 G08 3796fb 6 For more information www.linear.com/3796 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts