Electrical specifications

L9466

6/11

Figure 3.

Set-point voltage vs. mounting tab temperature

VF-ON

Output saturation voltage

IF = 5A, VGO = 13.5V,

Tcase = 125C

850

mV

IF-LIM

Field limit current(1)

Current F+ Terminal to Gnd.

@ Tcase  25C

9.0

A

IF-LIM

Field limit current(1)

Current F+ Terminal to Gnd.

@ Tcase = +150C

6.0

A

IG-MIN

Min. generator current load

Current measured @ generator

output

0.5

A

VD-F

Field discharge diode

IF = 6A, Tcase = 25C1.85

V

ID-R

Diode reverse current

VR = 20V

1

mA

FOSC

Oscillation frequency

During LRC operation

340

400

460

Hz

VDF

DF saturation voltage

IDF  10mA

0.8

V

IDF-LK

DF output leakage current

VDF < 25V

10

A

FTURBO Internal clock frequency

VDF = 32 - 35V; at 2.2k

4X

Hz

FTURBO IRD, SS, LRC Rate

VDF = 32 - 35V; at 2.2k 16

1.

The Field Drive capability shall not decrease as a function of temperature between 25°C and 150°C, at a rate faster than -

0.024A/°C (for example, Field Drive shall be capable of

7.2A at 100°C).

Table 5.

Electrical characteristics (continued)

(Tcase = -35°C to +150°C continuous unless otherwise specified)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit