PinoutSpecifications 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) ...
L4954: PinoutSpecifications 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...
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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 is a quad output voltage regulator and a three output high side driver.
The IC L4954 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.