LND3842/43/44/45
ISC
V
TH
(mA)
(V)
100
1.0
90
0.8
0.6
0.4
0.2
o
T
= 125 C
A
80
70
o
= 25 C
T
A
60
50
(o C)
25
1
2
3
4
5
6
7
0
50
75
100
T
A
VO (V)
Figure 6. Reference Short Circuit Current vs. Temperature
Figure 5. Current Sense Input Threshold vs. Output
7
VREF
8
5V REG
R
T / CT
OUTPUT
RT
PWM
6
OUTPUT
LARGE R T / SMALL CT
CLOCK
4
R
T / CT
CT
OSCILLATOR
ID
R
T / CT
OUTPUT
SMALL RT/ Large CT
5
GND
Figure 7. Oscillator and Output Waveforms
• Linear Dimensions, Inc. • 445 East Ohio Street, Chicago IL 60611 USA • tel 312.321.1810 • fax 312.321.1830 • www.lineardimensions.com •
LINEAR_DIMENSIONS [ Linear Dimensions ]
