L9474 datasheet(2/8 Pages) STMICROELECTRONICS

Part #	L9474

Description	ALL SILICON VOLTAGE REGULATOR

PDF	8 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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2 / 8 page

L9474

2/8

Table 2. Pin Description

Table 3. Absolute Maximum Ratings

Figure 3. Pin Connection (Top view)

Table 4. Thermal Data

N°

Function

Phase sense input

Warning terminal output and ECM PWM input

3FM

Field monitor output

RESERVED

Reserved

5GND

FILTER

Regulation loop filter

F+

Field high side driver output

8VGO

Generator output sense and voltage supply to L9474

Symbol

Parameter

Value

Unit

Transient Supply Voltage (load dump)

Output Current Capability

Internally limited

Ptot

Power Dissipation (@Tj = 150°C, IField = 6A)

VREV

Reverse Voltage (see fig.1)

-2.5 to -6

Symbol

Parameter

Value

Unit

Junction temperature

-40 to 150

°C

Tstg

Storage Temperature

-50 to 150

°C

Tsd

Thermal Shut Down

175 ±15

°C

Rth j-case

Thermal Resistance Junction to Case

1.5

°C/W

D02AT509

VGO

F+

FILTER

GND

RESERVED

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