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L4993

Low drop voltage regulator

STMicroelectronics 

L4993

2

Electrical specifications

Electrical specifications

2.1

Note:

Absolute maximum ratings

Stressing the device above the rating listed in the “Absolute maximum ratings” table may

cause permanent damage to the device. These are stress ratings only and operation of the

device at these or any other conditions above those indicated in the Operating sections of

this specification is not implied. Exposure to Absolute Maximum Rating conditions for

extended periods may affect device reliability. Refer also to the STMicroelectronics SURE

Program and other relevant quality documents.

Table 3. Absolute maximum ratings

Symbol

Parameter

Value

Unit

VVsdc

IVsdc

VVo

IVo

VWi

Vod

Iod

Vcr

Vcw

VWEn

Tj

VESD

VESD

DC supply voltage

Input current

DC output voltage

DC output current

Watchdog input voltage

Open drain output voltage

Open drain output current

Reset delay voltage

Watchdog delay voltage

Watchdog Enable input voltage

Junction temperature

ESD voltage level (HBM-MIL STD 883C)

ESD voltage level (CDM AEC-Q100-011)

-0.3 to 40

V

Internally limited

-0.3 to 6

V

Internally limited

-0.3 to VVo + 0.3

V

-0.3 to VVo + 0.3

V

Internally limited

-0.3 to VVo + 0.3

V

-0.3 to VVo + 0.3

V

-0.3 to VVo +0.3

V

-40 to 150

°C

±2

kV

750

V

Maximum ratings are absolute ratings; exceeding any one of these values may cause

permanent damage to the integrated circuit.

2.2

Thermal data

For details, please refer to Section 4.1: SO-8 thermal data and Section 4.2: SO-20 thermal

data.

Table 4. Thermal data(1)

Symbol

Parameter

Value

Unit

Rth-jamb

Thermal resistance Junction to Ambient:

SO-8

SO-20

130

°C/W

51

°C/W

1. The values quoted are for PCB FR4 area= 58mm x 58mm, PCB thickness = 2mm, Cu thickness = 35µm ,

Copper areas: SO-8= 2 cm2, SO-20= 6 cm2.

7/30

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