L79L05ACUTR Power Path Management IC Linear Voltage Regulators 5.0V 0.1A Negative
battery charge management ic
,power management integrated circuit
L79L05ACUTR Power Path Management IC Linear Voltage Regulators 5.0V 0.1A Negative
Description
The L79L series of three-terminal negative regulators employ internal current limiting and thermal shutdown, making them essentially indestructible. If adequate heat-sink is provided, they can deliver up to 100 mA output current. They are intended as fixed voltage regulators in a wide range of applications including local or on- card regulation for elimination of noise and distribution problems associated with single-point regulation. In addition, they can be used with power pass elements to make high-current voltage regulators. The L79L series used as Zener diode/resistor combination replacement, offers an effective output impedance improvement of typically two orders of magnitude, along with lower quiescent current and lower noise.
Electrical characteristics
Table 3: Electrical characteristics of L79L05AC and L79L05AB
|
Symbol |
Parameter |
Test conditions |
Min. |
Typ. |
Max. |
Unit |
|
VO |
Output voltage |
TJ =25°C |
-4.8 |
-5 |
-5.2 |
V |
|
VO |
Output voltage |
IO =1to40mA,VI =-7to-20V |
- 4.75 |
- 5.25 |
V |
|
|
IO =1to70mA,VI =-10V |
- 4.75 |
- 5.25 |
||||
|
ΔVO |
Line regulation |
VI =-7to-20V,TJ =25°C |
150 |
mV |
||
|
VI =-8to-20V,TJ =25°C |
100 |
|||||
|
ΔVO |
Load regulation |
IO =1to100mA,TJ =25°C |
60 |
mV |
||
|
IO =1to40mA,TJ =25°C |
30 |
|||||
|
Id |
Quiescent current |
TJ =25°C |
6 |
mA |
||
|
TJ = 125 °C |
5.5 |
mA |
||||
|
ΔId |
Quiescent current change |
IO =1to40mA |
0.1 |
mA |
||
|
VI =-8to-20V |
1.5 |
|||||
|
eN |
Output noise voltage |
B = 10 Hz to 100 kHz, TJ = 25 °C |
40 |
μV |
||
|
SVR |
Supply voltage rejection |
VI =-8to-18V,f=120HzIO =40 mA,TJ =25°C |
41 |
49 |
dB |
|
|
Vd |
Dropout voltage |
1.7 |
V |
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