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LM3492HC-Q1 Datenblatt(PDF) 7 Page - Texas Instruments

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Teilenummer LM3492HC-Q1
Bauteilbeschribung  Two-Channel, Individual Dimmable LED Driver
Download  29 Pages
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Hersteller  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
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LM3492HC-Q1 Datenblatt(HTML) 7 Page - Texas Instruments

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LM3492HC-Q1, LM3492HC
www.ti.com
SNVS797B – MARCH 2012 – REVISED OCTOBER 2015
Electrical Characteristics (continued)
over operating free-air temperature range, VIN = 12 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
COMM PIN
COMM goes LOW during VIOUT
VIOUT-OV
IOUT pin overvoltage threshold
5.6
6.7
7.8
V
rising, other VIOUT = 1.2 V
VCOMM-LOW
COMM pin at LOW
5 mA into COMM
0.7
V
ILEAK-FAULT
COMM pin open leakage
VCOMM = 5 V
5
µA
THERMAL PROTECTION
TOTM
Overtemperature indication
TJ rising
135
°C
Over-temperature indication
TOTM-HYS
TJ falling
15
°C
hysteresis
TSD
Thermal shutdown temperature
TJ rising
165
°C
Thermal shutdown temperature
TSD-HYS
TJ falling
20
°C
hysteresis
7.6 Typical Characteristics
Unless otherwise specified the following conditions apply: TJ = 25°C, VIN = 12 V with configuration in typical application circuit
for ILED = 250 mA shown in this data sheet.
Figure 1. Quiescent Current vs Input Voltage
Figure 2. VCC Voltage vs VCC Ouput Current
Figure 3. VCC Voltage vs Input Voltage
Figure 4. Switching Frequency vs Input Voltage
Copyright © 2012–2015, Texas Instruments Incorporated
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