ir1155s International Rectifier Corp., ir1155s Datasheet - Page 4

• Manufacturer Part Number: ir1155s
• Description: Programmable Frequency, One Cycle Control Pfc Ic
• Manufacturer: International Rectifier Corp.

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Oscillator Section
Protection Section
Parameter
Open Loop Protection
(OLP) V
Output Over Voltage
Protection (OVP)
Output Over Voltage
Protection (OVP) Reset
Peak Current Limit
Protection (IPK LMT) I
Voltage Threshold
OVP Input Bias Current
Parameter
Switching Frequency
Oscillator Charge Current
Oscillator Discharge
Current
Oscillator Peak
Oscillator Valley
Initial Accuracy
Voltage Stability
Temperature Stability
Total Variation
Maximum Duty Cycle
Minimum Duty Cycle
FB
Threshold
SNS
F
I
V
Symbol
SW ACC
Symbol
I
I
OSC(DCHG)
V
V
OSC(CHG)
OVP(Bias)
OVP(RST)
V
V
V
V
T
OSC VAL
D
D
OSC PK
F
F
STAB
STAB
ISNS
MAX
OVP
OLP
SW
MIN
VT
104.5
100.2
-0.85
Min.
Min.
48
94
17
4
106.5
102.2
-0.77
Typ.
Typ.
200
6.6
0.2
19
10
4
2
2
108.5
104.2
Max.
-0.69
Max.
-0.2
200
21
99
5
8
1
0
% V
% V
% V
Units Remarks
Units
kHz
mA
µA
µA
%
%
%
%
%
%
%
V
V
V
REF
REF
REF
200khz:C=430pF approx.
48kHz: C=2nF approx.
C=2nF, T
C=500pF, T
14V < V
-25°C ≤ T
Line & Temperature
Pulse Skipping
Remarks
Bias on VFB pin
Bias on OVP/EN pin
Bias on OVP/EN pin
Bias on ISNS pin
© 2011 International Rectifier
IR1155S
CC
A
J
≤ 125°C
= 25°C
< 19V
A
= 25°C