L5958 STMICROELECTRONICS [STMicroelectronics], L5958 Datasheet - Page 4
L5958
Manufacturer Part Number
L5958
Description
Multifunction voltage regulator for car radio
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.L5958.pdf
(20 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
L5958SM
Manufacturer:
ST
Quantity:
20 000
List of figures
List of figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Figure 12.
4/20
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Flexiwatt27 (SMD and vertical) pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Regulator and power switch diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Timing chart V
Timing chart 1.8 Vperm/3.3 Vperm and 1.8V sw/3.3 Vsw . . . . . . . . . . . . . . . . . . . . . . . . . 14
Reset and BU1 backup diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
BU2 backup diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Maximum ESR for stability (valid for all the regulator outputs) . . . . . . . . . . . . . . . . . . . . . . 15
Current limit of the power switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Flexiwatt27 (vertical) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . 17
Flexiwatt27 (SMD) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . 18
batt
detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Doc ID 17716 Rev 1
L5958