3-terminal 1A positive voltage regulator - SEMTECH
Description
7812R
3-terminal 1 A positive voltage regulator
Features Output Current up to 1 A Thermal Overload Protection Short Circuit Protection Output Transistor Safe Operating Area Protection
Absolute Maximum Ratings (Ta = 25 OC) Parameter
Input Voltage Thermal Resistance Junction-Cases Thermal Resistance Junction-Air Operating Temperature Range Storage Temperature Range
Symbol VI
RθJC RθJA TOPR Tstg
Value 35 5 65
0 to + 125 - 65 to + 150
Units V
OC/W OC/W
OC OC
Electrical Characteristics
(0 OC < TJ < 125 OC, IO = 500 mA, VI = 19 V, CI = 0.
33 µF, CO = 0.
1 µF, unless otherwise specified)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
TJ = + 25 OC
11.
5 12 12.
5
Output Voltage
VO 5 mA IO 1 A, PO 15 W VI = 14.
5 V to 27 V
11.
4 12 12.
6
V
Line Regulation 1)
Regline
TJ = + 25 OC
VI = 14.
5 V to 30 V VI = 16 V to 22 V
- - 240 mV
- - 120
Load Regulation 1)
Regload
TJ = + 25 OC
IO = 5 mA to 1.
5 A IO = 250 mA to 750 mA
-
- 240 mV
- 120
Quiesce...
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