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SABRE-LL-I 데이터시트(PDF) 73 Page - STMicroelectronics

부품명 SABRE-LL-I
상세설명  Combo motor driver
PDF  141 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SABRE-LL-I 데이터시트(HTML) 73 Page - STMicroelectronics

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SABRE-LL-I
Power bridges
73/141
Vuvhys
Under voltage
hysteresis
6%
taux_uv
Under voltage
deglitch filter
5µs
Ilimit
Current limit
protection
3.1
5.3
A
tdeglitch
Current limit deglitch
time
50
ns
tI_lim
Current limit response
time
In normal operating
mode (no UV)(5)
700
ns
tI_limUV
Current limit response
time in UV condition.
When in Under
Voltage(6)
500
ns
tr
Switching output rise
time
VSupply = 36V, Resistive
load to gnd = 422
Ω(7)
530
ns
tf
Switching output fall
time
VSupply = 36V, Resistive
load to gnd = 10
Ω(6)
10
50
ns
tdead
Crossover dead time
100
ns
FregPwm
Operating frequency
Fosc/64
kHz
1.
The external components connected to the pin must be chosen to avoid that the voltage exceeds this
operative range.
2.
The regulated voltage can be calculated using the formula: VMAIN_SW = VFBREF *(Ra+Rb)/Rb.
3.
The choice of proper values for L and C depends from the application.
4.
Undervoltage rising and falling thresholds are intended as a percentage of feedback pin voltage
(VSW_main_FB).
5.
This condition is intended to simulate an extra current on output.
6.
This condition is intended to simulate a short circuit on output.
7.
Rise time is measured between 10% and 90% of supply voltage.
Table 50.
Battery charger operating specification (continued)
Parameter
Description
Test condition
Min
Typ
Max
Unit



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