l4993 STMicroelectronics, l4993 Datasheet - Page 4

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l4993

Manufacturer Part Number
l4993
Description
Low Drop Voltage Regulator
Manufacturer
STMicroelectronics
Datasheet

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List of figures
List of figures
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Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pins configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Behavior of output current versus regulated voltage Vo . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Reset time diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Watchdog time diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
SO-8 PC board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
SO-8 Rthj-amb Vs. PCB copper area in open box free air condition . . . . . . . . . . . . . . . . . 12
SO-8 Thermal impedance junction ambient single pulse . . . . . . . . . . . . . . . . . . . . . . . . . . 13
SO-8 Thermal fitting model of a single channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
SO-20 PC board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
SO-20 Rthj-amb Vs. PCB copper area in open box free air condition . . . . . . . . . . . . . . . . 15
SO-20 Thermal impedance junction ambient single pulse . . . . . . . . . . . . . . . . . . . . . . . . . 16
SO-20 Thermal fitting model of a single channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
SO-8 Package mechanical data & package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
SO-20 Package mechanical data & package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
SO-8 Tube shipment (no suffix) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
SO-8 Tape and reel shipment (suffix “TR”). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
SO-20 Tube shipment (no suffix) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
SO-20 Tape and reel shipment (suffix “TR”). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
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