IC-NT Datasheet, PDF (4/8 Pages) IC-Haus GmbH – LIGHT CHAIN PULSE DRIVER

iC-NT
LIGHT CHAIN PULSE DRIVER
Rev A0, Page 4/8
ELECTRICAL CHARACTERISTICS
Operating Conditions:
VDD= 4.75..5.5V, RSET= 1.8..4.5kΩ, Tj= -20..125°C, unless otherwise noted
Item Symbol Parameter
Conditions
Tj Fig.
°C
Min.
Typ.
Unit
Max.
Total Device
001 VDD
Permissible Supply Voltage
Range
4.75
5.5
V
002 I(VDD) Supply Current in VDD
(Standby)
Analog section disabled; DIN= lo,
CLK,SHEN= hi or lo,
logic levels: lo= 0..0.45V,
hi= VDD-0.45V..VDD
60
µA
003 I(VDD) Supply Current in VDD
Analog section disabled; DIN= lo
CLK, SHEN hi or lo,
logic levels: lo= 22%VDD,
hi= 78%VDD
1
mA
004 I(VDD) Supply Current in VDD
Analog section enabled;
-20
RSET≥ 1.8kΩ,
27
LED current sink off
85
Toff
7.5
mA
7.5
mA
8.5
mA
1.0
mA
005 I(VDD) Supply Current in VDD
Analog section enabled;
-20
RSET≥ 1.8kΩ,
27
LED current sink on
85
Toff
25
mA
25
mA
26
mA
1.0
mA
006 VDDon Turn-on Threshold VDD
(Power-on Release)
4.3
V
007 VDDoff Undervoltage Threshold at VDD decreasing voltage VDD
2.7
V
(Power-down Reset)
008 VDDhys Hysteresis
VDDhys= VDDon-VDDoff
100
mV
009 Vc()hi
Clamp Voltage hi at DIN, CLK, Vc()hi= V()-VDD,
SHEN, DOUT, ISET, LED
I()= 10mA
0.4
1.25
V
010 Vc()lo
Clamp Voltage lo at DIN, CLK, I()= -10mA, VDD= 0V
SHEN, DOUT, ISET, LED
other pins open
-1.25
-0.4
V
011 Toff
Shutdown Temperature
110
150
°C
LED Current Sink
101 V(ISET) Reference Voltage at ISET
-20
1.27
V
27
1.50
V
85
1.79
V
Toff
0
V
102 TC(ISET) Temperature Coefficient of
Reference Voltage at ISET
27
0.30 0.33 0.36 %/K
103 CR()
Current Ratio I(LED) / -I(ISET)
1200
104 I(LED) LED Pulse Current
duty cycle I(LED)≤ 1%,
RSET= 1.8kΩ,
V(LED)= 1.0V..VDD
-20
0.65 0.85 1.06
A
27
0.82 1.00 1.18
A
85
0.93 1.2
1.48
A
Toff
0
A
105 I(LED) LED Pulse Current
duty cycle I(LED)≤ 1%,
RSET= 4.5kΩ,
V(LED)= 0.85V..VDD
-20
0.26 0.34 0.44
A
27
0.33 0.40 0.48
A
85
0.37 0.48 0.61
A
Toff
0
A
106 tr(LED) LED Current Rise Time
3
150
ns
107 tf(LED) LED Current Fall Time
3
150
ns
108 tdis(LED) LED Discharge Duration
LED shutdown, switch Sdis
closed
400
ns