L6726ATR datasheet(8/24 Pages) STMICROELECTRONICS

8 / 24 page

Electrical specifications

L6726A

8/24

Reference

Output voltage accuracy

VOUT = 0.8V

-1

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 = 5V to 12V

1.5

RUGATE

HS sink resistance

BOOT - PHASE = 5V to 12V

1.1

Ω

ILGATE

LS source current

VCC = 5V to 12V

1.5

RLGATE

LS sink resistance

VCC = 5V to 12V

0.65

Ω

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

750

VOCTH_FIXED Fixed OC threshold

VPHASE to GND

-375

Guaranteed by design, not subject to test.

Table 4. Electrical characteristics (continued)

(VCC = 12V; TA = 25

° C unless otherwise specified).

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

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