LTM8032 datasheet(25/30 Pages) LINER

部件名	LTM8032

功能描述	40VIN, 3.5A Step-Down Silent Switcher 關Module Regulator

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制造商	LINER [Linear Technology]

网页	http://www.linear.com

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25 / 30 page

LTM8003

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For more information www.linear.com/LTM8003

Fault Tolerance

The fixed output version of LTM8003 is designed to tol-

erate a single fault condition. Shorting two adjacent pins

together or leaving one single pin floating does not raise

VOUTorcausedamagetotheLTM8003µModuleregulator.

Table 2 describe the effects that result from shorting ad-

jacent pins. Note that, since all pins are redundant, there

is no analysis describing what happens when a single pin

opens. The NC pins must be left floating to ensure fault

tolerance.

Table 3. Table 2. FMEA Analysis — Adjacent Pin Short Test

PIN NAME

HEAT

SMOKE

EFFECT

VIN–NC

NO

Circuit behaves normally.

VIN–RUN

NO

Circuit behaves normally.

RUN–NC

NO

Circuit behaves normally.

RUN–RT

NO

VOUT falls to 0V. Device can be damaged if EN/UV voltage is higher than RT ABS MAX.

RUN–GND

NO

Vout falls to 0V.

RT–GND

NO

SW frequency increases. VOUT may fall below regulation voltage.

RT–GND BANK1

NO

SW frequency increases. VOUT may fall below regulation voltage.

RT–TRSS

NO

VOUT will fall below regulation voltage.

TR/SS–SYNC

NO

VOUT will fall below regulation voltage.

TR/SS–GND BANK1

NO

VOUT will fall below regulation voltage.

SYNC–GND

NO

Circuit behaves normally.

SYNC–PG

NO

Circuit behaves normally.

SYNC–GND BANK1

NO

Circuit behaves normally.

BIAS–GND BANK1

NO

Efficiency may decrease.

BIAS–VOUT BANK3

NO

Efficiency may decrease. If BIAS is tied to a voltage source > VOUT, VOUT may rise.

If BIAS is tied to a votlage source < VOUT, VOUT may be reduced.

VOUT BANK3–GND BANK1

NO

VOUT will fall to 0V.

类似零件编号 - LTM8032

制造商	部件名	数据表	功能描述
Linear Technology	LTM8032	310Kb / 20P	Ultralow Noise EMC Compliant 36V, 2A DC/DC 關Module
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	LTM8032	376Kb / 28P	40VIN, 3.5A Step-Down Silent Switcher 關Module Regulator

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类似说明 - LTM8032

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