LNK632DG
Conditions
SOURCE = 0 V; TJ = -40 to 125 °C
(Unless Otherwise Specified)
Parameter
Symbol
Min
Typ
Max
Units
Control Functions (cont.)
Minimum Switch
ON-Time
TJ = 25 °C
See Note 3
tON(min)
700
ns
Feedback Pin
Sampling Delay
TJ = 25 °C
See Figure 10
tFB
IS1
2.35
2.55
2.75
ms
FB Voltage > VFBth
260
440
330
520
DRAIN Supply
Current
mA
FB Voltage = VFBTH -0.2, Switch ON-Time
IS2
= tON (MOSFET Switching at fOSC
)
ICH1
ICH2
VBP = 0 V
-5
-4
-3.4
-2.3
-1.8
-1
BYPASS Pin
Charge Current
mA
V
VBP = 4 V
BYPASS Pin
Voltage
VBP
5.65
0.7
6.00
1.0
6.25
1.2
BYPASS Pin
Voltage Hysteresis
VBPH
V
BYPASS Pin
Shunt Voltage
VSHUNT
IBP = 10 mA
6.2
6.5
6.8
V
Circuit Protection
Current Limit
di/dt = 36 mA/ms
TJ = 25 °C
ILIMIT
135
145
155
mA
A2Hz
ns
I2f = I2LIMIT(TYP) x fOSC(TYP)
TJ = 25 °C
0.9 x
I2f
1.17 x
I2f
I2f
tLEB
TSD
TSDH
Power Coefficient
Leading Edge
Blanking Time
TJ = 25 °C
See Note 3
170
135
215
142
60
Thermal Shutdown
Temperature
150
°C
Thermal Shutdown
Hysteresis
°C
5
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Rev. C 09/09
POWERINT [ Power Integrations ]
