L6728 datasheet(7/32 Pages) STMICROELECTRONICS

Il numero della parte	L6728

Spiegazioni elettronici	Single phase PWM controller with PowerGOOD

PDF	32 Pages

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

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L6728

Electrical specifications

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Electrical specifications

4.1

Absolute maximum ratings

Table 4.

Absolute maximum ratings

4.2

Electrical characteristics

Symbol

Parameter

Value

Unit

VCC

to GND

-0.3 to 15

VBOOT, VUGATE

to PHASE

to GND

to GND; t < 200ns

VPHASE

to GND

to GND; t < 200ns

-5 to 18

-8 to 30

VLGATE

to GND

-0.3 to VCC+0.3

FB, COMP, VSEN to GND

-0.3 to 3.6

PGOOD to GND

-0.3 to VCC+0.3

Table 5.

Electrical characteristics

(VCC = 5V to 12V; Tj = 0° to 70°C unless otherwise specified).

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Supply current and power-ON

ICC

VCC supply current

UGATE and LGATE = OPEN

IBOOT

BOOT supply current

UGATE = OPEN; PHASE to GND

0.7

UVLO

VCC Turn-ON

VCC Rising

4.1

Hysteresis

0.2

OSCILLATOR

FSW

Main oscillator accuracy

270

300

330

kHz

∆V

OSC

PWM ramp amplitude

1.4

dMAX

Maximum duty cycle

Reference and error amplifier

Output voltage accuracy

-0.8

0.8

DC Gain(1)

120

GBWP

Gain-bandwidth product(1)

MHz

Slew-rate(1)

8V/

µs

DIS

Disable threshold

COMP Falling

0.70

0.85

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