Datasheet

Electrical characteristics LED2000
8/40 DocID023432 Rev 4
4 Electrical characteristics
T
J
= 25 °C, V
CC
= 12 V, unless otherwise specified.
Table 4. Electrical characteristics
Symbol Parameter Test conditions
Value
Unit
Min. Typ. Max.
V
IN
Operating input voltage range See
(1)
1. Specifications referred to T
J
from -40 to +125 °C. Specifications in the -40 to +125 °C temperature range
are assured by design, characterization and statistical correlation.
318
VDevice ON level 2.6 2.75 2.9
Device OFF level 2.4 2.55 2.7
V
FB
Feedback voltage
T
J
= 25 °C 90 97 104
mV
T
J
= 125 °C 90 100 110
I
FB
V
FB
pin bias current See
(1)
600 nA
R
DSON
-P High-side switch on-resistance I
SW
= 750 mA 95 m
R
DSON
-N Low-side switch on-resistance I
SW
= 750 mA 69 m
I
LIM
Maximum limiting current See
(2)
2. Guaranteed by design.
5A
Oscillator
F
SW
Switching frequency 0.7 0.85 1 MHz
D Duty cycle See
(2)
0100%
DC characteristics
I
Q
Quiescent current 1.5 2.5 mA
Dimming
V
DIM
DIM threshold voltage
Switching activity 1.2
V
Switching activity
prevented
0.4
I
DIM
DIM current 2 A
Soft-start
T
SS
Soft-start duration 1 ms
Protection
T
SHDN
Thermal shutdown 150
°C
Hystereris 15