Bay Linear, Inc
2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 989-7144, Fax: (925) 940-9556
www.baylinear.com
LM79LXX
Absolute Maximum Rating
Parameter
LM79L05
LM78L12…LM78L18
LM78L24
Unit
Input Voltage
-30
-35
-40
V
Operating Free-Air, Case, Virtual
Junction Temp.
0 to 150
0 to 150
0 to 150
Storage Temperature Range
-65 to 150
-65 to 150
-65 to 150
Lead temperature 1.6 mm from case
for sec.
260
260
260
°C
Electrical Characteristics (LM79L05)
(VI=10V, IO=40mA, 0°C ≤TJ≤125 °C, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. (Note 1)
Parameter
Symbol
Conditions
MIN
TYP
MAX
UNIT
Output Voltage
VO
TJ = 25
°C
-4.8
-5.0
-5.2
V
VI = -7V to -20V TJ = 25
°C
15
150
Line Regulation
∆V
O
VI = -7V to -20V TJ = 25
°C
100
mV
IO = 1mA to 100mA, 25
°C
20
60
Load Regulation
∆V
O
IO = 1mA to 40mA, 25
°C
10
30
mV
Ripple Rejection
RR
VI = -8V to -18V, f=120Hz
41
49
dB
Output Noise Voltage
VN
F= 10Hz to 100Hz TJ = 25
°C
46
µV
Dropout Voltage
VD
TJ = 25
°C
1.7
V
Quiescent Current
TJ = 25
°C
6mA
mA
VI = -8V to -20V, TJ = 25
°C
1.5
Quiescent Current
Change
∆I
Q
IO = 1mA to 40mA, TJ = 25
°C
0.1
mA
Electrical Characteristics (LM79L12)
(VI=10V, IO=40mA, 0°C ≤TJ≤125 °C, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. (Note 1)
Parameter
Symbol
Conditions
MIN
TYP
MAX
UNIT
Output Voltage
VO
TJ = 25
°C
-11.50
-12
-12.5
V
VI =-14.5V to -27V TJ = 25
°C
50
250
Line Regulation
∆V
O
VI =- 14.5V to -27V TJ = 25
°C
40
200
mV
IO = 1mA to 100mA, 25
°C
24
100
Load Regulation
∆V
O
IO = 1mA to 40mA, 25
°C
15
50
mV
Ripple Rejection
RR
VI = -16V to -27V, f=120Hz
37
42
dB
Output Noise Voltage
VN
F= 10Hz to 100Hz TJ = 25
°C
80
µV
Dropout Voltage
VD
TJ = 25
°C
1.7
V
Quiescent Current
TJ = 25
°C
6.5mA
mA
VI = -16V to -27V, TJ = 25
°C
1.5
Quiescent Current
Change
∆I
Q
IO = 1mA to 40mA, TJ = 25
°C
0.1
mA