Datasheet

LM78L05, LM78L09, LM78L12, LM78L15, LM78L62, LM78L82
www.ti.com SNVS754I –JANUARY 2000–REVISED APRIL 2013
LM78LXX Electrical Characteristics LM78L12AC
Unless otherwise specified, V
IN
= 19V
Symbol Parameter Conditions Min Typ Max Units
V
O
Output Voltage 11.5 12 12.5
14.5V ≤ V
IN
≤ 27V
1mA ≤ I
O
≤ 40mA 11.4 12.6
V
(1)
1mA ≤ I
O
≤ 70mA
11.4 12.6
(1)
ΔV
O
Line Regulation 14.5V ≤ V
IN
≤ 27V 30 180
16V ≤ V
IN
≤ 27V 20 110
mV
ΔV
O
Load Regulation 1mA ≤ I
O
≤ 100mA 30 100
1mA ≤ I
O
≤ 40mA 10 50
I
Q
Quiescent Current 3 5
ΔI
Q
Quiescent Current Change 16V ≤ V
IN
≤ 27V 1 mA
1mA ≤ I
O
≤ 40mA 0.1
V
n
Output Noise Voltage 80 μV
ΔV
IN
/ΔV
OUT
Ripple Rejection f = 120 Hz
40 54 dB
15V ≤ V
IN
≤ 25
I
PK
Peak Output Current 140 mA
ΔV
O
/ΔT Average Output Voltage Tempco I
O
= 5mA −1.0 mV/°C
V
IN
(Min) Minimum Value of Input Voltage
13.7 14.5 V
Required to Maintain Line Regulation
(1) Power dissipation ≤ 0.75W.
LM78LXX Electrical Characteristics LM78L15AC
Unless otherwise specified, V
IN
= 23V
Symbol Parameter Conditions Min Typ Max Units
V
O
Output Voltage 14.4 15.0 15.6
17.5V ≤ V
IN
≤ 30V
1mA ≤ I
O
≤ 40mA 14.25 15.75
V
(1)
1mA ≤ I
O
≤ 70mA
14.25 15.75
(1)
ΔV
O
Line Regulation 17.5V ≤ V
IN
≤ 30V 37 250
20V ≤ V
IN
≤ 30V 25 140
mV
ΔV
O
Load Regulation 1mA ≤ I
O
≤ 100mA 35 150
1mA ≤ I
O
≤ 40mA 12 75
I
Q
Quiescent Current 3 5
ΔI
Q
Quiescent Current Change 20V ≤ V
IN
≤ 30V 1 mA
1mA ≤ I
O
≤ 40mA 0.1
V
n
Output Noise Voltage 90 μV
ΔV
IN
/ΔV
OUT
Ripple Rejection f = 120 Hz
37 51 dB
18.5V ≤ V
IN
≤ 28.5V
I
PK
Peak Output Current 140 mA
ΔV
O
/ΔT Average Output Voltage Tempco I
O
= 5mA −1.3 mV/°C
V
IN
(Min) Minimum Value of Input Voltage
16.7 17.5 V
Required to Maintain Line Regulation
(1) Power dissipation ≤ 0.75W.
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