SG3844Y SEMICOA, SG3844Y Datasheet - Page 9
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SG3844Y
Manufacturer Part Number
SG3844Y
Description
Manufacturer
SEMICOA
Datasheet
1.SG3844Y.pdf
(12 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SG3844Y
Manufacturer:
NEC
Quantity:
5 510
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