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L5953 Arkusz danych(PDF) 14 Page - STMicroelectronics

Numer części L5953
Szczegółowy opis  MULTIPLE SWITCHING VOLTAGE REGULATOR
PDF  24 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5953 Arkusz danych(HTML) 14 Page - STMicroelectronics

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Table 2. Status Register.
Table 3. Status Register Description
Table 4. Diagnostic Register.
s15
s14
s13
s12
s11
s10
s9
s8
s7
s6
s5
s4
s3
s2
s1
s0
REG2 HSD1
HSD2
TBD
TBD
PWM
Freq.
PWM
TBD
TBD
TBD
TBD
TBD
TBD
TBD
Test
Mode
START
DIAG
01
s15
REG2 Linear Voltage
Regulator 1.5 to 3.3V
Regulator off
Regulator on
s14
High Side Driver 1
HSD1 off
HSD1 on
s13
High Side Driver 2
HSD2 off
HSD2 on
s12
TBD
s11
TBD
s10
PWM switching frequency
260kHz
400kHz
s9
PWM Voltage Regulator
PWM1 off
PWM1 on
s8
TBD
s7
TBD
s6
TBD
s5
TBD
s4
TBD
s3
TBD
s2
TBD
s1
Test Mode
Test Mode off
Test Mode on
NOTE: in this case the bits s15 - s2 are internally
set to 0 (regulators and high side drivers are in off
condition)
s0
Diagnostic
Diagnostic off
Starts the diagnostic procedure:
- in Test Mode if s1=1;
- during normal operation if s1=0
If s1=0 and s0=1, must be s14 = 1 (HSD1 ON)
and s13=1 (HSD2 ON)
d7
d6
d5
d4
d3
d2
d1
d0
Test mode
HSD1W1
HSD1W2
HSD1W3
HSD2W1
HSD2W2
HSD2W3
THW



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