L4954, L4955-8, L4955AV33 Selling Leads, Datasheet
MFG:ST Package Cooled:ZIP D/C:2007+
L4954, L4955-8, L4955AV33 Datasheet download
Part Number: L4954
MFG: ST
Package Cooled: ZIP
D/C: 2007+
L4954, L4955-8, L4955AV33
- Table of contents:
Info of L4954
Info of L4955-8
Info of L4955AV33
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About L4954
PDF/DataSheet Download
Datasheet: L4954
File Size: 64718 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
About L4901
PDF/DataSheet Download
Datasheet: L4901
File Size: 137029 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
About L4901
PDF/DataSheet Download
Datasheet: L4901
File Size: 137029 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
L4954 General Description
L4954 is a quad output voltage regulator and a three output high side driver.
The IC includes monitoring circuitry to warn the microprocessor of a low voltage condition: the LVWarn, output, sensing the slow dropping of STCAP pins voltage, gives the microprocessor time to store data.
A RESET output is generatedat REG4's decay.External protection must be provided for reverse battery protection.
L4954 Maximum Ratings
|
Symbol |
Parameter |
Value |
Unit |
|
VS |
DC Operating Supply Voltage |
-0.6 to 26.5 |
V |
|
VS |
Transient Supply Overvoltages, rise time = 10ms delay time = 115ms |
34 |
V |
|
VS,ovs |
Overvoltage Shutdown |
27 |
V |
|
Vin |
Input Voltages (EN1, EN2, EN3) |
-0.6 to 6.0 |
V |
|
Vout |
Output Voltages (LVWarn, RESET) |
-0.6 to 6.0 |
V |
|
Top |
Operating Temperature Range |
40 to 85 |
°C |
|
Tstg |
Storage Temperature |
55 to 150 |
°C |
L4954 Connection Diagram
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