Datasheet
CLT3-4B Characteristics
3/13
Table 2. Thermal resistance
Symbol Parameter Value Unit
R
th(j-a)
TSSOP20 thermal resistance junction to ambient
Board copper surface = 2 cm
2
, copper thickness = 35 µm
90 °C/W
Table 3. Electrical characteristics (T
J
= 25 °C, V
CC
= 24 V and COM pin voltage
referred unless otherwise specified)
Symbol Pin Name Conditions Min. Typ Max. Unit
Current limitation
I
LIM
IN Input limiting current
V
OUT
= 0.9 to 2.0 V
V
IN
= 5 to 27 V
T
AMB
= - 25 to 85° C
2.1 3 3.7 mA
V
LOW
IN
Maximum off state
voltage
I
IN
= 100 µA 1.5 V
V
TH
IN Activation threshold I
IN
= 2.1 mA 3.4 5 V
Input and Supply Protection
V
CL
IN Clamping voltage I
IN
= 7 mA; t
P
= 1 ms 31 38 - V
Opto-coupler driver operation
I
OFF
OUT Off state output current
V
I
= 5 V,
(1)
1. According to Figure 9: Robust application diagram on page 8 with use of a
R
I
= 1.8 kΩ resistor, and an opto-coupler (R
LED
(0 V) = 15 kΩ)
- 10 40 µA
I
IN
= 1.5 mA,
(2)
2. According to Figure 9: Robust application diagram on page 8 with use of a
R
I
= 0 kΩ resistor, and an opto-coupler (R
LED
(0 V) = 15 kΩ)
- 10 40 µA
V
OFF
OUT Off state output voltage I
IN
= 1.5 mA 0.15 0.5 V
I
ON
OUT On state output current
V
IN
= 5 V 1.5 2 - mA
V
IN
= 4.2 V, V
C
= 10 V 1.5 2 - mA
Supply and biasing circuit
V
C
V
C
Supply voltage T
AMB
= - 25 to 85° C 10 V
I
C
V
C
Supply current V
IN
= V
C
= 30 V 550 800 µA
Table 4. Switching electrical characteristics (T
J
= 25 °C, V
CC
= 24V and COM pin
voltage referred unless otherwise specified)
Symbol Pin Name Conditions Min. Typ Max. Unit
F
MAX
IN-OUT Input to output running frequency 5 kHz
t
PLH
IN-OUT Input activation propagation time C
OUT
= 22 nF 6 µs
t
PHL
IN-OUT Input de-activation propagation time C
OUT
= 22 nF 10 µs