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LTC3633

3633f

ELECTRICAL CHARACTERISTICS

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.

Note 2: Guaranteed by long term current density limitations.

Note 3: The LTC3633E is guaranteed to meet speciﬁed performance from

0°C to 85°C. Speciﬁcations over the –40°C to 125°C operating junction

temperature range are assured by design, characterization and correlation

with statistical process controls. The LTC3633I is guaranteed to meet

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VMODE/SYNC

MODE/SYNC Threshold Voltage

MODE VIH

MODE VIL

0.4

SYNC Threshold Voltage

SYNC VIH

0.95

IMODE

MODE/SYNC Input Current

MODE = 0V

MODE = INTVCC

1.5

–1.5

μA

The

l denotes the speciﬁcations which apply over the full operating

junction temperature range, otherwise speciﬁcations are at TJ = 25°C. VIN = 12V, INTVCC = 3.3V, unless otherwise noted.

speciﬁcations over the full –40°C to 125°C operating junction

temperature range

Note 4: This IC includes overtemperature protection that is intended

to protect the device during momentary overload conditions. Junction

temperature will exceed 125°C when overtemperature protection is active.

Continuous operation above the speciﬁed maximum operating junction

temperature may impair device reliability.

Note 5: Dynamic supply current is higher due to the internal gate charge

being delivered at the switching frequency.

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