7808 Datasheet, PDF (1/3 Pages) Inchange Semiconductor Company Limited – isc Three Terminal Positive Voltage Regulator

7808
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 (T_a = 25 ^OC)
Parameter
Input Voltage
Thermal Resistance Junction-Cases
Thermal Resistance Junction-Air
Operating Temperature Range
Storage Temperature Range
Symbol
V_I
R_θJC
R_θJA
T_OPR
T_S
TO-220 Plastic Package
Value
35
5
65
0 to +125
-65 to +150
Units
V
O_C/W
O_C/W
O_C
O_C
Electrical Characteristics
(0 ^OC < T_J < 125 ^OC, I_O = 500 mA, V_I = 14 V, C_I = 0.33 µF, C_O = 0.1 µF, unless otherwise specified)
Parameter
Symbol
Conditions
Min. Typ. Max. Unit
Output Voltage
Line Regulation ¹⁾
Load Regulation ¹⁾
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V_O
Regline
Regload
I_Q
I_Q
V_O/T
V_N
RR
V_Drop
R_O
I_SC
I_PK
T_J = + 25 ^OC
5 mA  I_O  1 A, P_O  15 W
V_I = 10.5 V to 23 V
T_J = + 25 ^OC
V_I = 10.5 V to 25 V
V_I = 11.5 V to 17 V
T_J = + 25 ^OC
I_O = 5 mA to 1.5 A
I_O = 250 mA to 750 mA
T_J = + 25 ^OC
I_O = 5 mA to 1 A
V_I = 10.5 V to 25 V
I_O = 5 mA
f = 10 Hz to 100 KHz, T_A = + 25 ^OC
f = 120 Hz, V_I = 11.5 V to 21.5 V
I_O = 1 A, T_J = + 25 ^OC
f = 1 KHz
V_I = 35 V, T_A = + 25 ^OC
T_J = + 25 ^OC
7.7 8 8.3
V
7.6 8 8.4
-
- 160
mV
-
-
80
-
- 160
mV
-
-
80
-
-
8
mA
-
- 0.5
mA
-
-
1
- -0.8 - mV/^OC
-
52
-
µV
56
-
-
dB
-
2
-
V
-
17
-
mΩ
- 230 -
mA
- 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：02