LinkSwitch-HP
Conditions
SOURCE = 0 V; TJ = -40 to 125 °C
(Unless Otherwise Specified)
Parameter
Symbol
Min
Typ
Max
Units
Voltage Sense (FB) Input
FEEDBACK Pin
Reference Voltage
VFBth
TJ = +25 °C
1.974
2.000
-0.01
2.026
V
FEEDBACK Pin
Reference Voltage
Temperature Variation
0 °C ≤ TJ ≤ +100 °C
See Note A
ΔVFB(th)
%/°C
Line Undervoltage
Turn-On Threshold
Current
IFB(UV,REF)
TON = 220 ns, TJ = +25 °C
-250
mA
FEEDBACK Pin Bus
Voltage Reference
Current Temperature
Variation
TON = 220 ns, 0 °C ≤ TJ ≤ +100 °C
See Note A
ΔIFB(REF)
±10
%
Line Undervoltage
Turn-Off Threshold
Current
TON = 220 ns,
TJ = +25 °C
IFB(UVOFF)
-115
-1200
2.375
1.794
-100
8
-85
mA
Line Undervoltage
Turn-Off Delay
Switching
Cycles
TJ = 25 °C
TON = 220 ns, TJ = +25 °C
TJ = +25 °C
Line Overvoltage
Turn-Off Threshold
Current
IFB(OV)
-1150
2
-1100
2.625
1.906
mA
Line Overvoltage
Turn-Off Delay
Switching
Cycles
Output Overvoltage
Detection Threshold
Voltage
VFB(OVP)
TJ = +25 °C
2.5
16
V
Output Overvoltage
Detection Delay
Switching
Cycles
TJ = +25 °C
FEEDBACK Pin
Auto-Restart
VFB(AR)
TJ = +25 °C
1.85
V
Threshold Voltage
Current Limit
Reduction Onset
Threshold Current
IFB(LIM)
TON = 220 ns, TJ = +25 °C
-210
mA
-463 mA < IFB ≤ IFB(LIM)
0 °C ≤ TJ ≤ +100 °C
-0.032
-0.008
2.5
Current Limit
Reduction Slope
ILIM(LINE)
%/mA
ms
IFB < -463 mA
TSAMP1
TSAMP2
IPK = ISET
0 °C ≤ TJ ≤ +100 °C
2.65
1.3
FEEDBACK Pin
Sampling Delay Time
IPK = 0.25 × ISET
1.2
Missing Feedback
Voltage Protection
Sense Delay Time
TMFVP
TJ = +25 °C
0.8
4
ms
Missing Feedback
Voltage Protection
Delay
Switching
Cycles
14
Rev. C 03/14
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