Datasheet

LM1084
www.ti.com SNVS037F –SEPTEMBER 1999–REVISED MARCH 2013
Electrical Characteristics (continued)
Typicals and limits appearing in normal type apply for T
J
= 25°C. Limits appearing in Boldface type apply over the entire
junction temperature range for operation.
Min Typ Max
Symbol Parameter Conditions Units
(1) (2) (1)
Thermal Regulation T
A
= 25°C, 30ms Pulse 0.003 0.015 %/W
Ripple Rejection f
RIPPLE
= 120Hz, = C
OUT
= 25µF Tantalum,
I
OUT
= 5A
LM1084-ADJ, C
ADJ
, = 25µF, (V
IN
−V
O
) = 3V 60 75 dB
LM1084-3.3, V
IN
= 6.3V 60 72 dB
LM1084-5.0, V
IN
= 8V 60 68 dB
LM1084-12 V
IN
= 15V 54 60 dB
Adjust Pin Current LM1084 55 120 µA
Adjust Pin Current 10mA ≤ I
OUT
≤ I
FULL LOAD
, 0.2 5 µA
Change 1.5V ≤ V
IN
−V
OUT
≤ 25V
Temperature Stability 0.5 %
Long Term Stability T
A
=125°C, 1000Hrs 0.3 1.0 %
RMS Output Noise 10Hz ≤ f≤ 10kHz 0.003 %
(% of V
OUT
)
Thermal Resistance 3-Lead DDPAK/TO-263: Control Section/Output Section 0.65/2.7 °C/W
Junction-to-Case 3-Lead TO-220: Control Section/Output Section 0.65/2.7 °C/W
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