LTM4622 datasheet(4/28 Pages) LINER

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LTM4622

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

TJ ≈ TA. 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

VINTVCC

Internal VCC Voltage

VIN = 3.6V to 20V

3.1

3.3

3.5

VINTVCC Load Reg INTVCC Load Regulation

ICC = 0mA to 50mA

1.3

fOSC

Oscillator Frequency

MHz

fSYNC

Frequency Sync Range

With Respect to Set Frequency

±30

IMODE

MODE Input Current

MODE = INTVCC

–1.5

µA

Note 3: See output current derating curves for different VIN, VOUT and TA.

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 TA = 25°C, VIN = 12V, unless otherwise noted per

the typical application shown in Figure 24.

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