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L6491 数据表(PDF) 13 Page - STMicroelectronics

部件名 L6491
功能描述  Power supply unit
PDF  24 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6491 数据表(HTML) 13 Page - STMicroelectronics

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DocID024832 Rev 1
13/24
L6491
Electrical characteristics
24
Table 9. Sense comparator(1) (VCC = 15 V, TJ = +25 °C)
Symbol
Pin
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Vio
9, 10 Input offset voltage
-15
15
mV
Iib
9, 10 Input bias current
VCP+ = 1 V, VCP- = 1 V
1
A
IOD
2
Open-drain low level sink
current
SD\OD = 400 mV, VCP+ = 1
V; VCP - = 0.5 V;
13
20
27
mA
td_comp
Comparator delay
Rpu = 100 k
 to 5 V;
VCP - = 0.5 V;
voltage step on CP+ = 0 to
3.3 V; 50% CP+ to 90% SD
100
155
ns
SR
2
Slew rate
CL = 10 nF;
Rpu = 5 k
 to 5 V;
90% SD to 10% SD
10
V/
s
1. Comparator is disabled when VCC is in UVLO condition.



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