L9953LXP Electrical specifications
Doc ID 16185 Rev 3 11/35
Table 8. Overvoltage and under voltage detection
Symbol Parameter Test condition Min. Typ. Max Unit
V
SUV On
VS UV-threshold voltage V
S
increasing 5.7 7.2 V
V
SUV Off
VS UV-threshold voltage V
S
decreasing 5.5 6.9 V
V
SUV Hyst
VS UV-hysteresis V
SUV On
- V
SUV Off
0.5 V
V
SOV Off
VS OV-threshold voltage V
S
increasing 18 24.5 V
V
SOV On
VS OV-threshold voltage V
S
decreasing 17.5 23.5 V
V
SOV Hyst
VS OV-hysteresis V
SOV Off
- V
SOV On
1V
V
POR Off
Power-on reset threshold V
CC
increasing 4.4 V
V
POR On
Power-on reset threshold V
CC
decreasing 3.1 V
V
POR Hyst
Power-on reset hysteresis V
POR Off
- V
POR On
0.3 V
Table 9. Current monitor output
Symbol Parameter Test condition Min. Typ. Max. Unit
V
CM
Functional voltage range V
CC
= 5V 0 4 V
I
CM,r
Current monitor output
ratio:
I
CM
/I
OUT 4,5,8
0V ≤ V
CM
≤ 4V, V
CC
=5V
-
Current monitor output
ratio:
I
CM
/I
OUT1
-
I
CM acc
Current monitor accuracy
Acc I
CM
/I
OUT 4,5,8
0 V ≤ V
CM
≤ 3.8V,
V
CC
= 5V,
I
Out,min 4,5,8
= 0.5A,
I
Out max 4,5,8
= 5.9A
4% +
1%FS
8% +
2%FS
-
Current monitor accuracy
Acc I
CM
/I
OUT 1
0 V ≤ V
CM
≤ 3.8V,
V
CC
= 5V,
I
Out,min 1
= 60mA,
I
Out max 1
= 0.6A
Table 10. Charge pump output
Symbol Parameter Test condition Min. Typ. Max. Unit
V
CP
Charge pump output
voltage
V
S
= 8V, I
CP
= -60µA V
S
+6 V
S
+13 V
V
S
= 10V, I
CP
= -80µA V
S
+8 V
S
+13 V
V
S
≥ 12V, I
CP
= -100µA V
S
+10 V
S
+13 V
I
CP
Charge pump output
current
V
CP
= V
S
+10V, V
S
=13.5V 95 150 300 µA