L6598 datasheet(4/24 Pages) STMICROELECTRONICS

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Electrical characteristics

L6598

4/24

Doc ID 6554 Rev 7

Electrical characteristics

VS = 12 V; VBOOT - VOUT = 12 V; TA = 25 °C

Table 4.

Electrical characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Supply voltage

Vsuvp

VS turn on threshold

10.7

11.4

Vsuvn

VS turn off threshold

7.3

8.7

Vsuvh

Supply voltage under

voltage hysteresis

2.7

Vcl

Supply voltage clamping

14.6

15.6

16.6

Isu

Start up current

VS < Vsuvn

250

µA

Quiescent current, fout =

60 kHz, no load

VS > Vsuvp

High voltage section

Ibootleak

BOOT pin leakage

current

VBOOT = 580 V

µA

Ioutleak

OUT pin leakage current

VOUT = 562 V

µA

RDSon

Bootstrap driver on

resistance

100

150

300

High/low side drivers

Ihvgso

High side driver source

current

VHVG-VOUT = 0

170

250

Ihvgsi

High side driver sink

current

VHVG-VBOOT = 0

300

450

Ilvgso

Low side driver source

current

VLVG-GND = 0

170

250

Ilvgsi

Low side driver sink

current

VLVG -VS = 0

300

450

trise

15,11

Low/high side output rise

time

Cload = 1nF

120

tfall

Cload = 1nF

Oscillator

Output duty cycle

fmin

Minimum output

oscillation frequency

Cf = 470pF;

Rfmin = 50kΩ

58.2

61.8

kHz

fstart

Soft start output

oscillation frequency

Cf = 470pF; Rfmin =

50k

Ω; R

fstart = 47kΩ

114

120

126

kHz

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