Pled open led protectors, Pled6m series, Led interference test circuit – Littelfuse PLED6M Series User Manual
Page 3: Typical operation waveforms
3
PLED Open LED Protectors
Revision: June 13, 2012
©2012 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to
www.littelfuse.com
for current information.
PLED6M Series
PLED6M Series
ON/OFF
Switch
PWM
LED
Driver
V
bat
12 Vdc
+
-
2.0
Ω, 1/4 W
110 k
Ω, 1/4 W
Q2
2N2222
Q1
Control
Circuit
MT
2
MT
1
PLED
LED Interference Test Circuit
0.00
5.00
10.00
15.00
20.00
25.00
30.00
-
40
-
25
0
25
50
75
100
125
150
Le
ak
ag
e
(µ
A)
Temperature (ºC)
Leakage Current vs Temperature
Operating Current vs. Ambient Temperature
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
100
110
120
130
Ambient Temperature (
º
C)
Operating
Cu
rrent
(A
)
Typical Operation Waveforms
100mA LED
CH2 I: LED, 10mV/div=100mA/div
CH3 V: PLED6M
350mA LED
CH2 I: LED, 10mV/div=200mA/div
CH3 V: PLED6M
CH2
CH2
CH3
CH3
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