Datasheet LT3496 (Analog Devices) - 4
| Fabricante | Analog Devices |
| Descripción | Triple Output LED Driver |
| Páginas / Página | 20 / 4 — The. denotes the specifications which apply over the full operating |
| Formato / tamaño de archivo | PDF / 346 Kb |
| Idioma del documento | Inglés |
The. denotes the specifications which apply over the full operating
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Versión de texto del documento
LT3496 electrical characteristics
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 5V, VSHDN = 5V, CAP1, CAP2, CAP3 = 5V, PWM1, PWM2, PWM3 = 5V, fADJ = 0.5V, CTRL1, CTRL2, CTRL3 = 1.5V, OVP1, OVP2, OVP3 = 0V, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
SHDN Input Low Voltage 0.4 V SHDN Input High Voltage 1.5 V SHDN Pin Current VSHDN = 5V, Current Into Pin 65 100 µA PWM1, PWM2, PWM3 Input Low Voltage 0.4 V PWM1, PWM2, PWM3 Input High Voltage 1.2 V PWM1, PWM2, PWM3 Pin Current Current Into Pin 160 210 µA Gate Off Voltage CAP1, CAP2, CAP3 = 40V, 0.1 0.3 V (CAP1 – TG1, CAP2 – TG2, CAP3 – TG3) PWM1, PWM2, PWM3 = 0V Gate On Voltage CAP1, CAP2, CAP3 = 40V 5.5 6.5 7.5 V (CAP1 – TG1, CAP2 – TG2, CAP3 – TG3) Gate Turn-On Delay CLOAD = 300pF, CAP1, CAP2, CAP3 = 40V (Note 5) 110 ns Gate Turn-Off Delay CLOAD = 300pF, CAP1, CAP2, CAP3 = 40V (Note 5) 110 ns
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 3:
Current flows into pin. Current limit and switch VCESAT is may cause permanent damage to the device. Exposure to any Absolute guaranteed by design and/or correlation to static test. Maximum Rating condition for extended periods may affect device
Note 4:
Absolute maximum voltage at the VIN and SHDN pins is 40V for reliability and lifetime. nonrepetitive 1 second transients, and 30V for continuous operation.
Note 2:
The LT3496E is guaranteed to meet performance specifications
Note 5:
Gate turn-on/turn-off delay is measured from 50% level of PWM from 0°C to 125°C junction temperature. Specifications over the –40°C voltage to 90% level of gate on/off voltage. to 125°C operating junction temperature range are assured by design,
Note 6:
The LT3496 includes overtemperature protection that is intended characterization and correlation with statistical process controls. The to protect the device during momentary overload conditions. Junction LT3496I is guaranteed over the full –40°C to 125°C operating junction temperature will exceed the maximum operating junction temperature temperature range. The LT3496H is guaranteed over the full –40°C to when overtemperature protection is active. Continuous operating above 150°C operating junction temperature range. High junction temperatures the specified maximum operating junction temperature may impair device degrade operating lifetimes. Operating lifetime is derated at junction reliability. temperatures greater than 125°C. 3496ff Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 5V, VSHDN = 5V, CAP1, CAP2, CAP3 = 5V, PWM1, PWM2, PWM3 = 5V, fADJ = 0.5V, CTRL1, CTRL2, CTRL3 = 1.5V, OVP1, OVP2, OVP3 = 0V, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
SHDN Input Low Voltage 0.4 V SHDN Input High Voltage 1.5 V SHDN Pin Current VSHDN = 5V, Current Into Pin 65 100 µA PWM1, PWM2, PWM3 Input Low Voltage 0.4 V PWM1, PWM2, PWM3 Input High Voltage 1.2 V PWM1, PWM2, PWM3 Pin Current Current Into Pin 160 210 µA Gate Off Voltage CAP1, CAP2, CAP3 = 40V, 0.1 0.3 V (CAP1 – TG1, CAP2 – TG2, CAP3 – TG3) PWM1, PWM2, PWM3 = 0V Gate On Voltage CAP1, CAP2, CAP3 = 40V 5.5 6.5 7.5 V (CAP1 – TG1, CAP2 – TG2, CAP3 – TG3) Gate Turn-On Delay CLOAD = 300pF, CAP1, CAP2, CAP3 = 40V (Note 5) 110 ns Gate Turn-Off Delay CLOAD = 300pF, CAP1, CAP2, CAP3 = 40V (Note 5) 110 ns
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 3:
Current flows into pin. Current limit and switch VCESAT is may cause permanent damage to the device. Exposure to any Absolute guaranteed by design and/or correlation to static test. Maximum Rating condition for extended periods may affect device
Note 4:
Absolute maximum voltage at the VIN and SHDN pins is 40V for reliability and lifetime. nonrepetitive 1 second transients, and 30V for continuous operation.
Note 2:
The LT3496E is guaranteed to meet performance specifications
Note 5:
Gate turn-on/turn-off delay is measured from 50% level of PWM from 0°C to 125°C junction temperature. Specifications over the –40°C voltage to 90% level of gate on/off voltage. to 125°C operating junction temperature range are assured by design,
Note 6:
The LT3496 includes overtemperature protection that is intended characterization and correlation with statistical process controls. The to protect the device during momentary overload conditions. Junction LT3496I is guaranteed over the full –40°C to 125°C operating junction temperature will exceed the maximum operating junction temperature temperature range. The LT3496H is guaranteed over the full –40°C to when overtemperature protection is active. Continuous operating above 150°C operating junction temperature range. High junction temperatures the specified maximum operating junction temperature may impair device degrade operating lifetimes. Operating lifetime is derated at junction reliability. temperatures greater than 125°C. 3496ff Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts