IR1150LS International Rectifier, IR1150LS Datasheet - Page 6

• Manufacturer Part Number: IR1150LS
• Description: uPFC One Cycle Control PFC IC
• Manufacturer: International Rectifier

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Lead Assignments & Definitions
Block Diagram
OVP/EN
OVP/EN
COMP
I
V
FREQ
I
COM
SNS
SNS
FB
4
3
6
5
1.055V
Lead Assignment
V
1
2
3
4
REF
REF
FAULT
8 LEAD SOIC
IR1150S
FAULT PROTECTION
OPEN LOOP PROTECTION
OUTPUT UNDER VOLTAGE
V
m
8
7
6
5
RESET
FAULT
GATE
V
V
COMP
FB
CC
1.0V
+
-
Pin#
1
3
6
7
2
4
5
8
COMP
FREQ
OVP/EN
Symbol
COM
GATE
V
V
I
SNS
CC
FB
DUTY CYCLE
MAX
LIMIT
BIAS &
REFERENCES
Overvoltage Fault Detect / Enable
Voltage Loop Compensation
IR1150S/IR1150IS
CLOCK
0.5V
Output Voltage Sense
S
R
SLEEP
IC Supply Voltage
Gate Drive Output
Q
Q
UVLO
Frequency Set
Current Sense
Description
FAULT
Ground
7
2
8
1
FREQ
GATE
COM
V
CC
6