LNK64x4-64x8
Conditions
SOURCE = 0 V; TJ = 0 to 100 °C
(Unless Otherwise Specified)
Parameter
Symbol
Min
Typ
Max
Units
Control Functions (cont.)
LNK6424/6425/
1.995
2.035
1.915
2.020
2.060
1.940
2.045
2.085
1.965
6426
6436
TJ = 25 °C
FEEDBACK Pin Voltage
VFBth
V
LNK6407,
CBP = 1 mF
LNK6408, LNK6448
LNK6417, LNK6418
LNK6427, LNK6428
1.955
1.995
1.980
2.020
2.005
2.045
FEEDBACK Pin Voltage
at Turn-Off Threshold
VFB(AR)
tON(MIN)
tFB
1.14
1.22
700
2.75
300
1.30
V
Minimum Switch
ON-Time
See Note E
See Note G
ns
ms
mA
FEEDBACK Pin
Sampling Delay
2.55
2.95
380
FB Voltage > VFBth
(MOSFET Not Switching
IS1
LNK64x4
480
500
550
600
540
560
620
680
Feedback Voltage =
VFBth -0.1 V,
Switch ON-Time =
DRAIN Supply
Current
LNK64x5
IS2
LNK64x6
LNK64x7
mA
tON (MOSFET
Switching at fOSC
)
LNK64x8
LNK64x4
LNK64x5
LNK64x6
LNK64x7
LNK64x8
LNK64x4
LNK64x5
LNK64x6
LNK64x7
LNK64x8
700
-4.4
-5.8
-6.1
-6.1
-6.1
-2.8
-4.0
-4.2
-4.2
-4.2
780
-2.7
-3.3
-3.5
-3.5
-3.5
-1.5
-1.8
-2
-5.2
-6.8
-7.5
-7.5
-7.5
-5
ICH1
VBP = 0 V
BYPASS Pin
Charge Current
mA
-6.4
-7
ICH2
VBP = 4 V
-7
-2.0
-2.0
-7
BYPASS Pin
Voltage
VBP
5.65
0.70
6.2
5.90
0.95
6.4
6.25
1.20
6.8
V
V
V
BYPASS Pin
Voltage Hysteresis
VBPH
BYPASS Pin
Shunt Voltage
VSHUNT
9
Rev. C 03/16
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