SG1843Y Microsemi Analog Mixed Signal Group, SG1843Y Datasheet - Page 5

• Manufacturer Part Number: SG1843Y
• Description: IC PWM CURRENT MODE 8-DIP
• Manufacturer: Microsemi Analog Mixed Signal Group

Specifications of SG1843Y

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 500kHz
• Duty Cycle: 100%
• Voltage - Supply: 8.3 V ~ 30 V
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -55°C ~ 125°C
• Package / Case: 8-DIP
• Frequency-max: 500kHz
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS compliant by exemption

Copyright © 2000
Rev. 1.6a 10/04
CURRENT SENSE
** - POWER GROUND and GROUND are internally connected for 8 pin packages.
* - V
GROUND**
CC
and V
COMP
R
V
T
/C
CC
V
FB
*
T
C
are internally connected for 8 pin packages.
OSCILLATOR
ERROR AMP
34V
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
8.4V (1843)
16V (1842)
2.5V
C
U R R E N T
P
R O D U C T I O N
0.8V (1843)
UVLO
6V (1842)
- M
B L O C K D I A G R A M
2R
R
O D E
GOOD LOGIC
S / R
P W M C
V
1V
REF
D
REF
5V
A T A
CURRENT SENSE
COMPARATOR
O N T R O L L E R
S
H E E T
SG1842/SG1843 Series
S
R
PWM
LATCH
INTERNAL
BIAS
V
5.0V
50mA
V
OUTPUT
POWER GROUND**
REF
C
*
5