LT3667EUDD View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT3667EUDD Datasheet PDF : 34 Pages
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LT3667
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3667EMSE#PBF
LT3667EMSE#TRPBF 3667
16-Lead Plastic MSOP
–40°C to 125°C
LT3667IMSE#PBF
LT3667IMSE#TRPBF
3667
16-Lead Plastic MSOP
–40°C to 125°C
LT3667HMSE#PBF
LT3667HMSE#TRPBF 3667
16-Lead Plastic MSOP
–40°C to 150°C
LT3667EUDD#PBF
LT3667EUDD#TRPBF LGFH
24-Lead (3mm × 5mm) Plastic QFN
–40°C to 125°C
LT3667IUDD#PBF
LT3667IUDD#TRPBF
LGFH
24-Lead (3mm × 5mm) Plastic QFN
–40°C to 125°C
LT3667HUDD#PBF
LT3667HUDD#TRPBF LGFH
24-Lead (3mm × 5mm) Plastic QFN
–40°C to 150°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping
container. Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN1 = 12V unless otherwise noted. (Note 4)
PARAMETER
CONDITIONS
MIN TYP MAX
VIN1 Undervoltage Lockout (Note 6)
VIN1 Overvoltage Lockout
VIN2 Undervoltage Lockout (Note 6)
UVLO1 Threshold Voltage
VIN2 = 0V, VIN3 = 0V
VIN1 = 3.5V, VIN3 = 0V
Pin Voltage Falling
l
4
4.3
l 40
42
44
l
4
4.3
l 0.95
1
1.05
UVLO1 Pin Hysteresis
75
UVLO1 Pin Current
Quiescent Current from IN1
Quiescent Current from IN2
Quiescent Current from IN1 + IN2
Quiescent Current from IN3
EN Pin Current
EN Input Threshold
VUVLO1 = 1V
VEN = 0.3V
VEN = 12V, VIN2 = 0V, Not Switching
VEN = 0.3V
VEN = 12V, VIN1 = 0V, VIN2 = 5V
VEN = 0.3V, VIN2 = 5V
VEN = 12V, VIN2 = 5V, Not Switching
VEN = 0.3V, VIN3 = 5V
VEN = 12V, VIN3 = 5V
VEN = 12V
1
30
0.01
1
l
13
30
0.01
1
l
38
80
0.01
1
l
40
90
0.01
1
l
25
60
0.6
2
0.3
1.1
Power Good Pins PG (MSOP), PG1, PG2, PG3 (QFN)
Leakage Current
Output Voltage Low
Threshold as % of VFB (FB1, FB2, FB3)
VPG = 5V, VPG1/2/3 = 5V
IPG = 40µA, IPG1/2/3 = 40µA
Pin Voltage Falling
Pin Voltage Rising
0.1
1
l
0.2
0.3
88
90
92
108 110 112
PG1 Threshold Hysteresis
Measured at FB1 Pin
30
PG2/PG3 Threshold Hysteresis
Measured at FB2/FB3 Pin
20
UNITS
V
V
V
V
mV
nA
µA
µA
µA
µA
µA
µA
µA
µA
µA
V
µA
V
%
%
mV
mV
For more information www.linear.com/LT3667
3667fb
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