Symbol

Parameter

Test conditions

Min.

Typ.

Max. Unit

TSSSETUP

Soft-start set-up time

Delay from UVLO rising to switching

activity

(2)

640

μs

ISSCH

CSS charging current

VSS=GND

4.3

5.0

5.7

μA

Error amplifier

VFB

Voltage feedback

TJ = 25 °C

0.242 0.250 0.258

V

0.240 0.250 0.260

V

VCOMPH

VFB = GND; VSS =3.2 V

3.00

3.35

3.65

V

VCOMPL

VFB = 3.6 V; VSS = 3.2 V

0.1

V

IFB

FB biasing current

VFB = 3.6 V

5

50

nA

IOSOURCE

VFB = GND; SS pin floating; VCOMP = 2 V (2)

3.1

mA

IOSINK

Output stage sinking capability

Unity gain buffer configuration (FB

connected to COMP). COMP voltage

variation due to IOSINK injection lower

than

± 0.1·VFB

(2)

5.0

mA

AV0

Error amplifier gain

(2)

100

dB

GBWP

Unity gain buffer configuration (FB

connected to COMP). No load on COMP

pin

(2)

23

MHz

Synchronization (fan out: 5 slave devices max.)

fSYN MIN

Synchronization frequency

Pin FSW pin floating

280

kHz

VSYNOUT

Master output amplitude

ILOAD = 4 mA

2.45

V

ILOAD = 0 A; pin SYNCH floating

4.0

VSYNOW

Output pulse width

ILOAD = 0 A; pin SYNCH floating

150

225

275

ns

VSYNIH

SYNCH slave input threshold

2.0

V

VSYNIL

1.0

ISYN

Slave SYNCH pull-down current

VSYNCH = 5 V

400

650

900

μA

VSYNIW

Input pulse width

150

ns

Dimming

VDIMH

DIM rising threshold

1.23

1.70

V

VDIML

DIM falling threshold

0.75

1.00

V

VDIMPD

DIM pull-down current

VDIM = 2 V

0.5

1.5

2.5

μA

TDIMTO

Dimming timeout

(2)

42

ms

Thermal shutdown

TSHDWN

Thermal shutdown temperature

(2)

170

°C

THYS

Thermal shutdown hysteresis

(2)

15

°C

1. Parameters tested in static condition during testing phase. The parameter value may change over dynamic application

conditions.

2. Not tested in production.

ALED6000

Electrical characteristics

DS13018 - Rev 4

page 8/45