L6732 datasheet(9/37 Pages) STMICROELECTRONICS

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L6732

Electrical characteristics

9/37

Electrical characteristics

Table 5.

Electrical characteristics

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

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

VCC

Turn-ON VCC threshold

VOCH = 1.7 V

4.0

4.2

4.4

Turn-OFF VCC threshold

VOCH = 1.7 V

3.6

3.8

4.0

VIN OK

Turn-ON VOCH threshold

1.1

1.25

1.47

VIN OK

Turn-OFF VOCH threshold

0.9

1.05

1.27

VCCDR regulation

VCCDR voltage

VCC = 5.5 V to 14 V

IDR = 1 mA to 100 mA

4.555.5

Soft-start and inhibit

ISS

Soft-start current

SS = 2 V

µA

SS = 0 to 0.5 V

Oscillator

fOSC

Accuracy

237

250

263

kHz

450

500

550

kHz

∆V

OSC

Ramp amplitude

2.1

Output voltage

VFB

Output voltage

VDIS = 0 to Vth

0.597

0.6

0.603

Error amplifier

REAREF

EAREF input resistance

Vs GND

100

150

Ω

IFB

I.I. bias current

VFΒ = 0 V

0.290

0.5

µA

Ext ref

clamp

2.3

VOFFSET

Error amplifier offset

Vref = 0.6 V

-5

Open loop voltage gain

Guaranteed by design

100

GBWP

Gain-bandwidth product

Guaranteed by design

MHz

Slew-rate

COMP = 10 pF

Guaranteed by design

5V/

µs

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