LTM4622A datasheet(4/30 Pages) LINER

4 / 30 page

LTM4622A

Rev B

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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 LTM4622A is tested under pulsed load conditions such that

TJ ≈ TA. The LTM4622AE 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 LTM4622AI 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 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 specified internal

operating temperature range (Note 2). Specified as each individual output channel at TA = 25°C, VIN1 = VIN2 = 12V, unless otherwise

noted per the typical application shown in Figure 27.

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