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PDF 7812 Data sheet ( Hoja de datos )
| Número de pieza | 7812 | |
| Descripción | 3-terminal 1A positive voltage regulator | |
| Fabricantes | SEMTECH | |
| Logotipo |  |
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 1. Datasheet - 12V, Voltage Regulator  Hay una vista previa y un enlace de descarga de 7812 (archivo pdf) en la parte inferior de esta página. Total 3 Páginas | ||
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7812
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
TO-220 Plastic Package
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
Quiescent Current
IQ TJ = + 25 OC
- - 8 mA
Quiescent Current Change
IQ
IO = 5 mA to 1 A
VI = 14.5 V to 30 V
- - 0.5
mA
- -1
Output Voltage Drift
VO/T IO = 5 mA
- -1 - mV/OC
Output Noise Voltage
VN f = 10 Hz to 100 KHz, TA = + 25 OC
- 76 -
µV
Ripple Rejection
RR f = 120 Hz, VI = 15 V to 25 V
55 - - dB
Dropout Voltage
VDrop
IO = 1 A, TJ = + 25 OC
-2-
V
Output Resistance
RO f = 1 KHz
- 18 - mΩ
Short Circuit Current
ISC VI = 35 V, TA = + 25 OC
- 230 -
mA
Peak Current
IPK TJ = + 25 OC
- 2.2 -
A
1) Load and line regulation are specified at constant junction temperature, Changes in Vo due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
SEMTECH ELECTRONICS LTD.
®
Dated : 17/09/2016 Rev: 01
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet 7812.PDF ] | |
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