L6756D datasheet(12/36 Pages) STMICROELECTRONICS

12 / 36 page

Electrical specifications

L6756D

12/36

Electrical specifications

3.1

Absolute maximum ratings

Table 4.

Absolute maximum ratings

3.2

Electrical characteristics

Symbol

Parameter

Value

Unit

VCC

to PGND

All other Pins to PGNDx

-0.3 to 3.6

Table 5.

Electrical characteristics

(VCC = 12 V ± 15 %, TJ = 0 °C to 70 °C unless otherwise specified)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Supply current and power-on

ICC

VCC supply current

UVLOVCC

VCC turn-ON

VCC rising

9.75

VCC turn-OFF

VCC falling

Oscillator, soft-start and ENABLE

FSW

Main oscillator accuracy

185

200

215

kHz

Oscillator adjustability

ROSC = 33 kΩ

500

kHz

ΔV

OSC

PWM ramp amplitude

1.5

FAULT

Voltage at pin OSC

OV, UV latch active

3.6

SOFT-

START

TD1 - initial delay

TD2 - RSS = 27 kΩ

400

500

600

μs

TD3 - VBOOT

100

200

300

μs

Boot voltage - VBOOT

1.026

1.081

1.136

VEN rising

0.80

0.85

0.90

Hysteresis

100

Reference and DAC

KVID

VOUT accuracy

VSEN to VCORE; FBG to GNDCORE

-0.5

0.5

IOS

OFFSET

VSEN = 0.5000 V to 1.6000 V

-40

-50

-60

μA

EA DC gain

130

Slew rate

COMP to SGND = 10 pF

μs

VIDIL

VID threshold,

Input low

0.3

VIDIH

Input high

0.8

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