SG2843DM Microsemi Analog Mixed Signal Group, SG2843DM Datasheet - Page 9
SG2843DM
Manufacturer Part Number
SG2843DM
Description
IC PWM CURRENT MODE 8SOIC
Manufacturer
Microsemi Analog Mixed Signal Group
Datasheet
1.SG3842M.pdf
(14 pages)
Specifications of SG2843DM
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-SOIC
Frequency-max
500kHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SG2843DM
Manufacturer:
SHINDENG
Quantity:
6 430
Part Number:
SG2843DM
Manufacturer:
MICROSEMI/美高森美
Quantity:
20 000
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