PinoutSpecifications Symbol Parameter Value Unit VS Supply Voltage -35 to 60 V VI Input Voltage (ON/OFF) 0 to 5 V VO Output Voltage (LVW, Reset) 0 to 5 V TGST Storage Temperature Range -65 to 150 °C TJ Junction Temperature Range max 150 °C Load Dump...
L4946B: PinoutSpecifications Symbol Parameter Value Unit VS Supply Voltage -35 to 60 V VI Input Voltage (ON/OFF) 0 to 5 V VO Output Voltage (LVW, Reset) 0 to 5 V TGST Sto...
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Symbol | Parameter | Value | Unit |
VS | Supply Voltage | -35 to 60 | V |
VI | Input Voltage (ON/OFF) | 0 to 5 | V |
VO | Output Voltage (LVW, Reset) | 0 to 5 | V |
TGST | Storage Temperature Range | -65 to 150 | °C |
TJ | Junction Temperature Range | max 150 | °C |
Load Dump (5ms rise, 115ms decay) | 60 | V |
The L4946B is a quad output low drop voltage regulator. The four outputs are a low drop 10V at 125mA (VO1), a 8.5V at 250mA (VO2), a 5V at 200mA (VO3) and a low drop 5V st-by line at 100mA (VO4).
The IC L4946B includes a monitoring circuit to warn if a low voltage or no voltage condition is occurring. VO1,2,3 are off during st-by mode.
The STCAP pin allows the battery voltage to decay slowly giving the mP time to store data. This IC is designed for supplying microcomputer controlled systems specially in automotive applications.