ir1150s International Rectifier Corp., ir1150s Datasheet - Page 10

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ir1150s

Manufacturer Part Number
ir1150s
Description
Upfc One Cycle Control Pfc Ic
Manufacturer
International Rectifier Corp.
Datasheet

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STATE & TRANSITIONS
DIAGRAM
V < 50%V
FB
Present PulseTerminated
REF
Oscillator Active
V
V
I
FAULT
OVP
ISNS
PK LIMIT
< 0.7V
< -1.0V
V
CC
< V
CC UVLO
V
V
V
V
V
V
ISNS
ISNS
CC
ISNS
ISNS
CC
< V
< -1.0V
> -1.0V
< V
< -1.0V
> -1.0V
CC UVLO
CC UVLO
V
V
FB
V
FB
CC
> 20%V
> 80%V
Pulse Width Increasing
SOFT START
AC POWER ON
> V
STAND - BY
0 - 97 % Duty Cycle
Oscillator Inactive
Oscillator Inactive
V
Oscillator Active
Oscillator Active
Oscillator Active
V
I
V
I
CCon
NORMAL
Gate Inactive
Gate Inactive
Gate Inactive
CC MAX
CC MAX
FB
I
REF
FB
Gate Active
Gate Active
CC
CC MAX
REF
UVLO
< 80% V
< 20 % V
< V
= 28 mA
= 200uA
= 4mA
CCon
REF
V
REF
OVP
V
V < 20% V
FB
CC
>
< V
105%V
IR1150S/IR1150IS(PbF)
V
CC UVLO
V
V
V
FB
OVP
OVP
OVP
REF
REF
< 50%V
V
V
<
< 0.7V
OVP
< 0.7V
OVP
101% V
< 0.7V
> 0.7V
REF
REF
OVP FAULT
V
Oscillator Active
OVP
Gate Inactive
>
Oscillator Inactive
105%V
I
Gate Inactive
V
CC max
Sleep
OVP
REF
= 200uA
< 0.7V
V
V
CC
OVP
< V
< 0.7V
CC UVLO
10

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