LTM4622
4
Rev F
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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: The LTM4622 is tested under pulsed load conditions such that
T
J
≈ T
A
. The LTM4622E is guaranteed to meet performance specifications
over the 0°C to 125°C internal operating temperature range. Specifications
over the full –40°C to 125°C internal operating temperature range are
assured by design, characterization and correlation with statistical process
controls. The LTM4622I is guaranteed to meet specifications over the
full –40°C to 125°C internal operating temperature range. Note that the
maximum ambient temperature consistent with these specifications is
determined by specific operating conditions in conjunction with board
layout, the rated package thermal resistance and other environmental
factors.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
INTVCC
Internal V
CC
Voltage V
IN
= 3.6V to 20V 3.1 3.3 3.5 V
V
INTVCC
Load Reg INTV
CC
Load Regulation I
CC
= 0mA to 50mA 1.3 %
f
OSC
Oscillator Frequency 1 MHz
f
SYNC
Frequency Sync Range With Respect to Set Frequency ±30 %
I
MODE
MODE Input Current MODE = INTV
CC
–1.5 µA
Note 3: See output current derating curves for different V
IN
, V
OUT
and T
A
.
Note 4: 100% tested at wafer level.
Note 5: 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.
The l denotes the specifications which apply over the full internal
operating temperature range (Note 2). Specified as each individual output channel at T
A
= 25°C, V
IN
= 12V, unless otherwise noted per
the typical application shown in Figure24.
