SG3844Y SEMICOA, SG3844Y Datasheet - Page 9

• Manufacturer Part Number: SG3844Y
• Manufacturer: SEMICOA

Specifications of SG3844Y

• Pwm Type: Current Mode PWM Controller
• Number Of Pwm Outputs: 1
• On/off Pin: No
• Adjustable Output: No
• Switching Freq: 500kHz
• Duty Cycle: 50%
• Output Current: 200mA
• Synchronous Pin: No
• Rise Time: 50ns
• Fall Time: 50ns
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 8
• Package Type: CDIP
• Lead Free Status / Rohs Status: Not Compliant

Copyright © 2000
Rev. 1.6c
FIGURE 9. — OUTPUT SATURATION VOLTAGE vs.
FIGURE 11. — OUTPUT SATURATION VOLTAGE vs.
2.5
2.0
1.5
1.0
0.5
4.0
3.0
2.0
1.0
0
0
OUTPUT CURRENT & TEMPERATURE
100
OUTPUT CURRENT & TEMPERATURE
100
Duty Cycle < 5%
Output Current - (mA)
Output Current - (mA)
V
IN
200
200
= 15V
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
Duty Cycle < 5%
V
C
IN
300
= 15V
300
U R R E N T
P
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
400
400
- M
O D E
500
500
P W M C
D
A T A
FIGURE 10. — CURRENT SENSE THRESHOLD vs.
O N T R O L L E R
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
S
0
H E E T
SG1844/SG1845 Series
Error Amp Output Voltage - (V)
ERROR AMPLIFIER OUTPUT
1.0
2.0
3.0
4.0
5.0
9