SG3844Y SEMICOA, SG3844Y Datasheet - Page 5

• 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
CURRENT SENSE
** - POWER GROUND and GROUND are internally connected for 8-pin packages.
* - V
GROUND**
CC
COMP
R
and V
V
T
/C
CC
V
FB
*
T
C
are internally connected for 8-pin packages.
OSCILLATOR
ERROR AMP
34V
16V (1844)
8.4 (1845)
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
2.5V
C
U R R E N T
P
R O D U C T I O N
0.8V (1845)
UVLO
6V (1844)
2R
- M
B L O C K D I A G R A M
R
O D E
GOOD LOGIC
S / R
V
REF
1V
P W M C
REF
5V
D
A T A
CURRENT SENSE
COMPARATOR
O N T R O L L E R
S
H E E T
S
R
SG1844/SG1845 Series
T
PWM
LATCH
INTERNAL
BIAS
V
5.0V
50mA
V
OUTPUT
POWER GROUND**
REF
C
*
5