SG2843M Microsemi Analog Mixed Signal Group, SG2843M Datasheet - Page 8
SG2843M
Manufacturer Part Number
SG2843M
Description
IC PWM CURRENT MODE 8DIP
Manufacturer
Microsemi Analog Mixed Signal Group
Datasheet
1.SG3842M.pdf
(14 pages)
Specifications of SG2843M
Pwm Type
Current Mode
Number Of Outputs
1
Frequency - Max
500kHz
Duty Cycle
100%
Voltage - Supply
8.2 V ~ 30 V
Buck
No
Boost
No
Flyback
Yes
Inverting
No
Doubler
No
Divider
No
Cuk
No
Isolated
Yes
Operating Temperature
-25°C ~ 85°C
Package / Case
8-DIP
Frequency-max
500kHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
SG1842/SG1843 Series
8
FIGURE 5. — START-UP CURRENT vs. TEMPERATURE
FIGURE 7. — START-UP VOLTAGE THRESHOLD vs.
8.32
8.30
8.28
8.26
8.24
8.22
8.20
8.18
0.7
0.6
0.5
0.4
0.3
0.2
-75
-75
-50
-50
TEMPERATURE
Junction Temperature - (°C)
Junction Temperature - (°C)
-25
-25
0
0
SG1843
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
SG1842
25
25
C
SG1843
U R R E N T
P
50
50
R O D U C T I O N
C H A R A C T E R I S T I C C U R V E S
75
75
- M
100
100
O D E
125
125
P W M C
D
A T A
FIGURE 6. — REFERENCE VOLTAGE vs. TEMPERATURE
FIGURE 8. — START-UP VOLTAGE THRESHOLD vs.
16.08
16.06
16.04
16.02
16.00
15.98
O N T R O L L E R
5.02
5.01
5.00
4.99
4.98
S
-75
-75
H E E T
-50
-50
TEMPERATURE
Junction Temperature - (°C)
Junction Temperature - (°C)
-25
-25
0
0
V
CC
= 15V
25
25
SG1842
50
50
75
75
100
100
Copyright © 2000
Rev. 1.6a 10/04
125
125