L6730 datasheet(10/52 Pages) STMICROELECTRONICS

10 / 52 page

L6730 - L6730B

Electrical characteristics

10/52

Electrical characteristics

VCC = 12V, TA = 25°C unless otherwise specified

Table 4.

Electrical characteristics

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

VCC SUPPLY CURRENT

ICC

VCC Stand By current

OSC = open; SS to GND

VCC quiescent current

OSC= open;

HG = open, LG = open, PH=open

8.5

Power-ON

5V BUS

Turn-ON VCC threshold

VOCH = 1.7V

4.0

4.2

4.4

Turn-OFF VCC threshold

VOCH = 1.7V

3.6

3.8

4.0

12V BUS

Turn-ON VCC threshold

VOCH = 1.7V

8.3

8.6

8.9

Turn-OFF VCC threshold

VOCH = 1.7V

7.4

7.7

8.0

VIN OK

Turn-ON VOCH threshold

1.1

1.25

1.47

Turn-OFF VOCH threshold

0.9

1.05

1.27

VCCDR Regulation

VCCDR voltage

VCC =5.5V to 14V

IDR = 1mA to 100mA

4.555.5

Soft Start and Inhibit

ISS

Soft Start Current

SS = 2V

µA

SS = 0 to 0.5V

Oscillator

fOSC

Initial Accuracy

OSC = OPEN

380

400

420

KHz

fOSC,RT

Total Accuracy

RT = 390K

Ω to VCCDR

RT = 18K

Ω to GND

-15

∆VOSC

Ramp Amplitude

2.1

Output Voltage (1.2V MODE)

VFB

Output Voltage

1.190

1.2

1.208

Output Voltage (0.6 MODE)

VFB

Output Voltage

0.597

0.6

0.603

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