L9912 datasheet(16/84 Pages) STMICROELECTRONICS

Part #	L9912

Description	Automotive vehicle conform car alternator regulator IC

PDF	84 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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16 / 84 page

Electrical specifications

L9912

16/84

DocID029639 Rev 2

5.1.1

EEPROMs parameters

5.2

Thermal data

5.3

Electrical characteristics

5.3.1

Pin "A+/B+"

This pin is both the primary power supply (B+) and the default battery sense (A+)

The device is supplied by the battery through A+/B+ pin and it remains in stand-by condition

with a current consumption of IBstby12V/24V until there is activity on one or more wake-up

sources.

Table 6. Flash program memory

Parameter

Test condition

Value

Unit

Erase/Write cycles

Tamb = 25 °C

2500

Cycles

2Tamb = 55 °C

1500

3Tamb = 125 °C

300

Retention

Tamb = 55 °C

Years

Table 7. Data memory

Parameter

Test condition

Value

Unit

Erase/Write cycles

Tamb = 25 °C

280000

Cycles

2Tamb = 55 °C

170000

3Tamb = 125 °C

10000

Retention

Tamb = 55 °C

Years

Table 8. Thermal data

Symbol

Parameter

Max.

Unit

1Rth_j-case

Thermal resistance junction-to-case

°C/W

2Tpad

Exposed pad temperature

140

°C

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