Datasheet

LM1086
www.ti.com SNVS039H –JUNE 2000–REVISED MAY 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)
I
LIMIT
Current Limit LM1086-ADJ
V
IN
−V
OUT
= 5V 1.50 2.7 A
V
IN
−V
OUT
= 25V 0.05 0.15 A
LM1086-1.8,2.5, 2.85, 3.3, 3.45, V
IN
= 8V 1.5 2.7 A
LM1086-5.0, V
IN
= 10V 1.5 2.7 A
Minimum Load Current
(6)
LM1086-ADJ
V
IN
−V
OUT
= 25V 5.0 10.0 mA
Quiescent Current LM1086-1.8, 2.5, 2.85, V
IN
≤ 18V 5.0 10.0 mA
LM1086-3.3, V
IN
≤ 18V 5.0 10.0 mA
LM1086-3.45, V
IN
≤ 18V 5.0 10.0 mA
LM1086-5.0, V
IN
≤ 20V 5.0 10.0 mA
Thermal Regulation T
A
= 25°C, 30ms Pulse 0.008 0.04 %/W
Ripple Rejection f
RIPPLE
= 120Hz, C
OUT
= 25µF Tantalum,
I
OUT
= 1.5A
LM1086-ADJ, C
ADJ
= 25µF, (V
IN
−V
O
) = 3V 60 75 dB
LM1086-1.8, 2.5, 2.85, V
IN
= 6V 60 72 dB
LM1086-3.3, V
IN
= 6.3V 60 72 dB
LM1086-3.45, V
IN
= 6.3V 60 72 dB
LM1086-5.0 V
IN
= 8V 60 68 dB
Adjust Pin Current LM1086 55 120 µA
Adjust Pin Current 10mA ≤ I
OUT
≤ I
FULL LOAD
,
Change 1.5V ≤ (V
IN
−V
OUT
) ≤ 15V 0.2 5 µA
Temperature Stability 0.5 %
Long Term Stability T
A
= 125°C, 1000Hrs 0.3 1.0 %
RMS Noise 10Hz ≤ f≤ 10kHz 0.003 %
(% of V
OUT
)
θ
JC
Thermal Resistance 3-Lead DDPAK/TO-263: Control Section/Output 1.5/4.0 °C/W
Junction-to-Case Section 1.5/4.0 °C/W
3-Lead TO-220: Control Section/Output Section
(6) The minimum output current required to maintain regulation.
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