XR75100 Datasheet, PDF (4/15 Pages) Exar Corporation – 40V Synchronous Step Down COT Controller

XR75100
Symbol
Parameter
Conditions
Min
Typ
Max
OCP Comparator Offset

-8
0
+8
Current Limit Blanking
GL rising>1V
100
Thermal Shutdown Threshold¹
Rising temperature
150
Thermal Hysteresis¹
VSCTH Feedback Pin Short-Circuit
Threshold
Percent of VREF, short circuit is active
after PGOOD is up
15

50
60
70
Output Gate Drivers
GH Pull-Down Resistance
IGH = 200mA
1.35
2.0
GH Pull-Up Resistance
IGH = 200mA
1.8
2.8
GL Pull-Down Resistance
IGL = 200mA
1.35
1.9
GL Pull-Up Resistance
IGL = 200mA
1.7
2.7
GH and GL Pull-down Resistance
50
GH and GL Rise Time
10% to 90%
35
50
GH and GL Fall Time
90% to 10%
30
40
GL to GH Non-Overlap Time
Measured GL falling edge = 1V to GH ris-
ing edge = 1V, BST=VCC, SW = 0V
30
60
GH to GL Non-Overlap Time
Measured GH falling edge = 1V to GL ris-
ing edge = 1V
20
40
Note 1: Guaranteed by design
Units
mV
ns
°C
°C
%
Ω
Ω
Ω
Ω
kΩ
ns
ns
ns
ns
© 2016 Exar Corporation
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exar.com/XR75100
Rev 1C