SG2843M Microsemi Analog Mixed Signal Group, SG2843M Datasheet - Page 9
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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
Copyright © 2000
Rev. 1.6a 10/04
FIGURE 9. — OSCILLATOR DISCHARGE CURRENT vs.
FIGURE 11. — CURRENT SENSE THRESHOLD vs.
8.2
8.0
7.8
7.6
7.4
7.2
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-75
-50
TEMPERATURE
Error Amp Output Voltage - (V)
ERROR AMPLIFIER OUTPUT
1.0
Junction Temperature - (°C)
-25
0
2.0
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
25
C
U R R E N T
3.0
P
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
4.0
- M
100
O D E
125
5.0
P W M C
D
A T A
FIGURE 10. — OUTPUT SATURATION VOLTAGE vs.
FIGURE 12. — OUTPUT SATURATION VOLTAGE vs.
O N T R O L L E R
2.5
2.0
1.5
1.0
0.5
4.0
3.0
2.0
1.0
S
0
0
H E E T
SG1842/SG1843 Series
OUTPUT CURRENT & TEMPERATURE
100
OUTPUT CURRENT & TEMPERATURE
100
Duty Cycle < 5%
Output Current - (mA)
Output Current - (mA)
V
IN
200
200
= 15V
V
Duty Cycle < 5%
IN
= 15V
300
300
400
400
500
500
9