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LT3497 bảng dữ liệu(PDF) 3 Page - Linear Technology

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LT3497 bảng dữ liệu(HTML) 3 Page - Linear Technology

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LT3497
3
3497f
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCTRL1 Voltage for Full LED Current
VCAP1 = 16V
●
1.5
V
VCTRL2 Voltage for Full LED Current
VCAP2 = 16V
●
1.5
V
VCTRL1 or VCTRL2 Voltage to Turn On the IC
●
100
mV
VCTRL1 and VCTRL2 Voltages to Shut Down the IC
50
mV
CTRL1, CTRL2 Pin Bias Current
100
nA
CAP1 Pin Overvoltage Protection
●
30
32
34
V
CAP2 Pin Overvoltage Protection
●
30
32
34
V
Schottky 1 Forward Drop
ISCHOTTKY1 = 100mA
0.8
V
Schottky 2 Forward Drop
ISCHOTTKY2 = 100mA
0.8
V
Schottky 1 Reverse Leakage Current
VR1 = 25V
4
µA
Schottky 2 Reverse Leakage Current
VR2 = 25V
4
µA
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 3V, VCTRL1 = VCTRL2 = 3V.
Note 2: The LT3497E is guaranteed to meet performance specifications
from 0°C to 85°C. Specifications over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.



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