L5962 datasheet(13/24 Pages) STMICROELECTRONICS

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L5962

Electrical specification

Doc ID 16819 Rev 2

13/24

HSD1

VdropHSD1

Output saturation

Iload = 0.5 A

500

IleakHSD1

Leakage current

HSD off

output shorted to GND

µA

IshortHSD1

Short circuit current limit

0.75

1.5

TSHSD1

Thermal shut-down

temperature

Temperature rising

150

190

°C

HYSTS-HSD1

Hysteresis on thermal shut-

down temperature

-5

°C

HSD2

VdropHSD2

Output saturation

Iload = 0.5 A

500

IleakHSD2

Leakage current

HSD off

output shorted to GND

µA

IshortHSD2

Short circuit current limit

0.75

1.5

TSHSD2

Thermal shut-down

temperature

Temperature rising

150

190

°C

HYSTS-HSD2

Hysteresis on thermal shut-

down temperature

-5

°C

Switching regulator

VoutSW

Output voltage

Selectable through external

resistor divider

1.2

ILOADmaxSW

Load current limitation

VoutSW decreasing of

100 mV (1)

CLIM = 0 V

CLIM = 5 V

1.2

2.5

fsw

Free-run switching frequency

150

180

210

kHz

VFB

FB voltage

970

1030

VdropSW

Dropout voltage

VoutSW = 8 V

IloadSW = 2.5 A

(1)

1.2

fSYNC

Switching frequency selectable

through SYNC pin

220

400

kHz

Efficiency

free run frequency (1)

VoutSW = 8 V; Iload = 2.5 A

SRSS

Soft-start pin slew rate

CSOST = 10 nF

(1)

V/ms

TSSW

Thermal shut-down

temperature

Temperature rising

150

190

°C

HYSSW

Hysteresis on thermal shut-

down temperature

-5

°C

Table 5.

Electrical characteristics (continued)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

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