DocID14273 Rev 5

11/30

L9758

Operating conditions

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3.2

Operating ranges

Full specification parameters cannot be guaranteed outside the operating ranges. Once the

condition has returned within the specified operating ranges, the part will recover with no

damage or degradation.

3.3

Thermal data

Table 5. Operating ranges

Symbol

Parameter

Value

Unit

VBAT, VBAT_SW,

VBAT_S

Battery supply voltage

4 to 26.5

V

4 to 40

(t < 400 ms)

VIGN

Ignition input voltage (with at least 10K external

resistance)

4 to 26.5

V

VI-digital

Digital input voltages (PSU_EN,VS_EN,VPROG1,

VPROG2, VPROG3, VDDL/VCORE_EN, REF_SEL)

-0.3 to 5.3

V

VI-analog

Analog input voltages (REXT, TRACK_REF,

RST_TIM VDDL_FDBK, VCORE_FDBK)

-0.3 to 5.3

V

IAVE

Switching preregulator average current

0 to 2.5

A

Top

Operating temperature

-40 to 125

°C

Tj

Junction temperature

-40 to 150

°C

Table 6. Thermal data

Symbol

Parameter

Value

Unit

Rth(j-case)

Thermal resistance junction-to-case

2

°C/W