L6726ATR datasheet(8/35 Pages) STMICROELECTRONICS

8 / 35 page

Electrical specifications

L6726A

8/35

Doc ID 12754 Rev 4

Reference

Output voltage accuracy

VOUT = 0.8 V, TA = 0 °C to 70 °C

-1

VOUT = 0.8 V

-1.5

1.5

Transconductance error amplifier

Transconductance(1)

5mS

IFB

Input bias current

Sourced from FB

100

Open loop gain(1)

Unity gain(1)

4MHz

ICOMP

Current capability

Source current

360

μA

Sink current

-360

μA

Soft-Start and disable

ISS

Soft-start current

From COMP pin

μA

DIS

Disable threshold

COMP falling

0.4

0.5

Gate drivers

IUGATE

HS source current

BOOT - PHASE = 5 V to 12 V

1.5

RUGATE

HS sink resistance

BOOT - PHASE = 5 V to 12 V

1.1

ILGATE

LS source current

VCC = 5 V to 12 V

1.5

RLGATE

LS sink resistance

VCC = 5 V to 12 V

0.65

Over-current protection

IOCSET

OCSET current source

Sourced from LGATE pin.

See Section 7.1.1

μA

VOC_SW

OC switch-over threshold

VLGATE/OC rising

780

VOCTH_FIXED Fixed OC threshold

VPHASE to GND

-400

Guaranteed by design, not subject to test.

Table 5.

Electrical characteristics (continued)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

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