Electrical characteristics

L6572

8/22

Doc ID 023882 Rev 1

4

Electrical characteristics

(VS = 14.4 V, VBOOT - Vout = 14.4 V, TAMB = 25 °C, unless otherwise specified)

Table 5.

Electrical characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VSUVP

VS turn-ON threshold

10.1

11

11.9

V

VSUVN

VS turn-OFF threshold

7.3

8

8.7

V

VSUVH

VS hysteresis

2.7

3

3.3

V

ISU

Startup current

VS < VSUVP

160

250

µA

Iq

Quiescent current

VS > VSUVP

12

mA

IBOOTLK

BOOT pin leakage current

VBOOT = 580 V

5

µA

IOUTLK

OUT pin leakage current

VOUT = 562 V

5

µA

IHVG SO

High-side driver source current

VHVG - VOUT = 5 V

20

40

mA

IHVG SI

High-side driver sink current

VHVG - VOUT = 5 V

40

50

mA

ILVG SO

Low-side driver source current

VLVG = 5 V

20

40

mA

ILVG SI

Low-side driver sink current

VLVG = 5 V

40

50

mA

tDT

Programmable deadtime

RDT = 27 kΩ

1.95

2.50

3.05

µs

tDT

Minimum deadtime

RDT = 14 kΩ,

(1)

1µs

tDT

Maximum deadtime

RDT = 40 kΩ,

(1)

5µs

fCL

Frequency clock generator

RCL = 47 kΩ

72

90

108

kHz

fCL

Minimum frequency

RCL = 220 kΩ,

(1)

12

kHz

fCL

Maximum frequency

RCL = 22 kΩ,

(1)

250

kHz

tT1/2on

Time with T1/2 switched on during

preheating phase

RPH = 20 kΩ, RDT = 27

k

Ω testing signal: test

A

3.60

4.17

4.70

µs

tT1/2on

Time with T1/2 switched on during

normal operation

RNO = 27 k

Ω, RDT =

27 k

Ω testing signal:

test B

6.40

7.50

8.40

µs

tT1/2on

Time with T1/2 switched on during

dimmed operation

RDO = 27 k

Ω, RDT =

27 k

Ω testing signal:

test B

6.40

7.50

8.40

µs

XPB

XPB = tT1/2on(powerb) /

tT1/2on(nom)

RNO = 27 k

Ω, RDT =

27 k

Ω NO: test. signal:

test B PB: test. signal:

test C

1.24

1.34

1.42

tdisc

Time to activate UVLO when

VSENSE = VZVS

VLVG = VS

10

20

30

µs

VZVS

ZVS threshold referred to SENSE

pin

(1)

330

385

440

mV