L6727 datasheet(7/22 Pages) STMICROELECTRONICS

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L6727

Electrical specifications

7/22

3.2

Electrical characteristics

Table 5.

Electrical characteristics

(VCC = 12V; TA = -20°C to +85°C, unless otherwise specified).

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Recommended operating conditions

VCC

Device supply voltage

See Figure 1

4.1

13.2

VIN

Conversion input voltage

13.2

VCC < 7.0V

19.0

Supply current and power-ON

ICC

VCC supply current

UGATE and LGATE = OPEN

IBOOT

BOOT supply current

UGATE = OPEN; PHASE to GND

0.5

UVLO

VCC turn-ON

VCC Rising

4.1

Hysteresis

0.2

Oscillator

FSW

Main oscillator accuracy

°C to +70°C

270

300

330

kHz

250

300

350

kHz

∆V

OSC

PWM ramp amplitude

1.5

dMAX

Maximum duty cycle

Reference

Output voltage accuracy

VOUT = 0.8V, TA = 0°C to 70°C

-1

VOUT = 0.8V

-1.5

1.5

Error amplifier

DC gain(1)

120

GBWP

Gain-bandwidth product(1)

MHz

Slew-rate(1)

8V/

µs

IFB

Input bias current

Sourced from FB

100

DIS

Disable threshold

COMP Falling

0.43

0.5

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