LinkSwitch-HP
Conditions
SOURCE = 0 V; TJ = -40 to 125 °C
(Unless Otherwise Specified)
Parameter
Symbol
Min
Typ
Max
Units
Bypass (BP) Input (cont.)
LNKxxx7
1.4
1.7
BYPASS Pin
Supply Current
MOSFET switching
IBPS2
LNKxxx8
1.55
1.65
1.85
1.95
mA
at fOSC
LNKxxx9
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)
ΔIFB(REF)
IFB(UVOFF)
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
±10
Line Undervoltage
Turn-Off Threshold
Current
TON = 220 ns,
TJ = +25 °C
-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
Threshold Voltage
VFB(AR)
TJ = +25 °C
1.85
V
mA
Current Limit
Reduction Onset
Threshold Current
IFB(LIM)
TON = 220 ns, TJ = +25 °C
-210
-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
ms
14
Rev. E 06/15
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