IR1155S View Datasheet(PDF) - International Rectifier
Part Name
Description
Manufacturer
IR1155S Datasheet PDF : 21 Pages
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IR1155S
Oscillator Section
Parameter
Switching Frequency
Symbol
FSW
Min.
48
Oscillator Charge Current
Oscillator Discharge
Current
Oscillator Peak
Oscillator Valley
IOSC(CHG)
IOSC(DCHG)
VOSC PK
VOSC VAL
Initial Accuracy
FSW ACC
Voltage Stability
Temperature Stability
Total Variation
Maximum Duty Cycle
Minimum Duty Cycle
VSTAB
TSTAB
FVT
DMAX
94
DMIN
Typ.
200
6.6
4
2
0.2
2
10
Max.
200
Units Remarks
kHz 200khz:C=430pF approx.
48kHz: C=2nF approx.
µA
mA
V
V
5
% C=2nF, TA = 25°C
8
% C=500pF, TA = 25°C
1
% 14V < VCC < 19V
% -25°C ≤ TJ ≤ 125°C
% Line & Temperature
99
%
0
% Pulse Skipping
Protection Section
Parameter
Open Loop Protection
(OLP) VFB Threshold
Output Over Voltage
Protection (OVP)
Output Over Voltage
Protection (OVP) Reset
Peak Current Limit
Protection (IPK LMT) ISNS
Voltage Threshold
OVP Input Bias Current
Symbol
V OLP
V OVP
VOVP(RST)
V ISNS
IOVP(Bias)
Min.
17
104.5
100.2
-0.85
Typ.
19
106.5
102.2
-0.77
Max.
21
Units Remarks
% VREF Bias on VFB pin
108.5 % VREF Bias on OVP/EN pin
104.2 % VREF Bias on OVP/EN pin
-0.69
V Bias on ISNS pin
-0.2
µA
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