7809R Datasheet, PDF (1/2 Pages) SEMTECH ELECTRONICS LTD. – 3-terminal 1 A positive voltage regulator

7809R
3-terminal 1 A positive voltage regulator
Features
• Output current up to 1 A
• Internal thermal overload protection
• Output transistor safe operating area protection
1. INPUT 2.GND 3.OUTPUT
Absolute Maximum Ratings (T_a = 25 ^OC)
Parameter
Input Voltage
Thermal Resistance Junction-Air
Operating Junction Temperature
Storage Temperature Range
Symbol
V_I
R_θJA
T_j
T_stg
Value
36
100
150
- 65 to + 150
Units
V
O_C/W
O_C
O_C
Electrical Characteristics
(- 40 ^OC < T_J < 125 ^OC, I_O = 1 A, V_I = 15 V, unless otherwise specified)
Parameter
Symbol
Conditions
Output Voltage
T_J = 25 ^OC
V_O
I_O = 5 mA to 1 A, P_O  15 W
V_I = 11.5 V to 23 V
Line Regulation
Regline
T_J = 25 ^OC
V_I = 11.5 V to 23 V
I_O = 500 mA
Load Regulation
Regload
T_J = 25 ^OC
V_I = 14 V
I_O = 5 mA to 1 A
Quiescent Current
I_Q
V_I = 15 V, I_O = 0 A
I_O = 500 mA, V_I = 11.5 V to 23 V
Quiescent Current Change
I_Q
T_J = 25 ^OC
I_O = 5 mA to 1 A, T_J = 25 ^OC
Output Voltage
V_O/T
Temperature Cofficient
(V_O/V_O )/T
Output Noise Voltage
V_N
f = 10 Hz to 100 KHz, T_A = 25 ^OC
Ripple Rejection
Dropout Voltage
RR
V_Drop
f = 120 Hz, V_I = 11.5 V to 21.5 V
I_O = 500 mA
I_O = 1 A, V_O = 1 %, T_J = 25 ^OC
Output Resistance
R_O
f = 1 KHz
Short Circuit Current
I_SC
V_I = 35 V, T_A = 25 ^OC
Peak Current
I_PK
V_I = 15 V, T_J = 25 ^OC
Min. Typ. Max. Unit
8.82 - 9.18
V
8.65 - 9.35
-
-
90
mV
-
- 100 mV
-
-
6
mA
-
- 0.8
mA
-
- 0.5
- 0.72 - mV/^OC
-
80
- ppm/^OC
-
10
-
µV
-
61
-
dB
-
2
-
V
-
10
-
mΩ
- 0.2 -
A
- 2.2 -
A
SEMTECH ELECTRONICS LTD.
®
Dated：14/09/2016 Rev：02