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7808R Arkusz danych(PDF) 1 Page - SEMTECH ELECTRONICS LTD.

Numer części 7808R
Szczegółowy opis  3-Terminal 1 A Positive Voltage Regulator
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Producent  SEMTECH_ELEC [SEMTECH ELECTRONICS LTD.]
Strona internetowa  http://www.semtech.net.cn
Logo SEMTECH_ELEC - SEMTECH ELECTRONICS LTD.

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Dated : 14/09/2016 Rev: 01
®
SEMTECH ELECTRONICS LTD.
7808R
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
Symbol
Value
Unit
Input Voltage
VI
36
V
Thermal Resistance Junction-Cases
RθJC
5
O
C/W
Thermal Resistance Junction-Air
RθJA
65
O
C/W
Operating Junction Temperature Range
Tj
- 40 to + 125
O
C
Storage Temperature Range
Tstg
- 65 to + 150
O
C
Electrical Characteristics (-40 OC < TJ < 125
O
C, IO = 1 A, VI = 14 V, unless otherwise specified)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage
VO
TJ = 25 OC
7.84
8
8.16
V
IO = 5 mA to 1 A, VI = 10.6 V to 23 V,
PD  15 W
7.7
8
8.3
Line Regulation
Regline
VI = 10.6 V to 23 V, IO = 500 mA,
TJ = 25 OC
-
-
75
mV
Load Regulation
Regload VI = 14 V, IO = 5 mA to 1 A, TJ = 25 OC
-
-
75
mV
Quiescent Current
IQ
VI = 14 V, IO = 0
-
-
6
mA
Quiescent Current Change
IQ
VI = 10.6 V to 23 V, IO = 500 mA,
TJ = 25 OC
-
-
0.8
mA
IO = 5 mA to 1 A, TJ = 25 OC
-
-
0.5
Output Noise Voltage
VN
f = 10 Hz to 100 KHz, TA = 25 OC
-
10
-
µV/VO
Ripple Rejection
RR
VI = 11.5 V to 21.5 V, IO = 500 mA,
f = 120 Hz
-
62
-
dB
Dropout Voltage
VDrop
VO = 1 %, IO = 1 A, TJ = 25 OC
-
2
-
V
Output Resistance
RO
f = 1 KHz
-
10
-
mΩ
Short Circuit Current
ISC
VI = 35 V, TA = 25 OC
-
0.2
-
A
Peak Current
IPK
VI = 14 V, TJ = 25 OC
-
2.2
-
A


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