L5988D View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

L5988D

4 A continuous (more than 5 A pulsed) step-down switching regulator with synchronous rectification

STMicroelectronics 

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Maximum ratings

3

Maximum ratings

L5988D

Symbol

Table 2. Absolute maximum ratings

Parameter

Value

Unit

VCC

VOUT

Input voltage

Output DC voltage

20

V

-0.3(1) to VCC

V

U/O/S, SS/INH,

COMP, SYNCH, Analog pins

Fsw, ILIM-ADJ

-0.3 to 4

V

FB

Feedback voltage

1.5

V

Ptot

Power dissipation at TA < 60 °C

2.25

W

TJ

Junction temperature range

-40 to 150

°C

TSTG

Storage temperature range

-55 to 150

°C

1. During the switching activity the negative peak voltage could reach -1.5 V without any damage for the

device.

Table 3. Thermal data

Symbol

Parameter

RthJA

Thermal resistance junction to ambient max.

1. HTSSOP16 package mounted on ST demonstration board.

Value

40 (1)

Unit

°C/W

Symbol

ESD

Table 4. ESD protection

Test condition

HBM

CDM

Value

Unit

1

kV

250

V

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DocID15324 Rev 4

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