Datasheet

LP2985
www.ti.com SLVS522N –JULY 2004– REVISED JUNE 2011
Electrical Characteristics
at specified virtual junction temperature range, V
IN
= V
OUT(NOM)
+ 1 V, V
ON/ OFF
= 2 V, C
IN
= 1 μF, I
L
= 1 mA, C
OUT
= 4.7 μF
(unless otherwise noted)
LP2985A-xx LP2985-xx
PARAMETER TEST CONDITIONS T
J
UNIT
MIN TYP MAX MIN TYP MAX
I
L
= 1 mA 25°C –1 1 –1.5 1.5
25°C –1.5 1.5 –2.5 2.5
1 mA ≤ I
L
≤ 50 mA
Output voltage
ΔV
OUT
–40°C to 125°C –2.5 2.5 –3.5 3.5 %V
NOM
tolerance
25°C –2.5 2.5 –3 3
1 mA ≤ I
L
≤ 150 mA
–40°C to 125°C –3.5 3.5 –4 4
25°C 0.007 0.014 0.007 0.014
Line regulation V
IN
= [V
OUT(NOM)
+ 1 V] to 16 V %/V
–40°C to 125°C 0.032 0.032
25°C 1 3 1 3
I
L
= 0
–40°C to 125°C 5 5
25°C 7 10 7 10
I
L
= 1 mA
–40°C to 125°C 15 15
25°C 40 60 40 60
V
IN
– V
OUT
Dropout voltage
(1)
I
L
= 10 mA mV
–40°C to 125°C 90 90
25°C 120 150 120 150
I
L
= 50 mA
–40°C to 125°C 225 225
25°C 280 350 280 350
I
L
= 150 mA
–40°C to 125°C 575 575
25°C 65 95 65 95
25°C (LP2985-10) 125 125
I
L
= 0
–40°C to 125°C 125 125
–40°C to 125°C
160 160
(LP2985-10)
25°C 75 110 75 110
I
L
= 1 mA 25°C (LP2985-10) 140 140
–40°C to 125°C 170 170
25°C 120 220 120 220
I
L
= 10 mA 25°C (LP2985-10) 250 250
I
GND
GND pin current μA
–40°C to 125°C 400 400
25°C 350 600 350 600
I
L
= 50 mA 25°C (LP2985-10) 650 650
–40°C to 125°C 1000 1000
25°C 850 1500 850 1500
I
L
= 150 mA 25°C (LP2985-10) 1800 1800
–40°C to 125°C 2500 2500
V
ON/ OFF
< 0.3 V (OFF) 25°C 0.01 0.8 0.01 0.8
–40°C to 105°C 0.05 2 0.05 2
V
ON/ OFF
< 0.15 V (OFF)
–40°C to 125°C 5 5
25°C 1.4 1.4
V
ON/ OFF
= HIGH → O/P ON
–40°C to 125°C 1.6 1.6
V
ON/ OFF
ON/OFF input voltage
(2)
V
25°C 0.55 0.55
V
ON/ OFF
= LOW → O/P OFF
–40°C to 125°C 0.15 0.15
25°C 0.01 0.01
V
ON/ OFF
= 0
–40°C to 125°C –2 –2
I
ON/ OFF
ON/OFF input current μA
25°C 5 5
V
ON/ OFF
= 5 V
–40°C to 125°C 15 15
(1) Dropout voltage is defined as the input-to-output differential at which the output voltage drops 100 mV below the value measured with a
1-V differential.
(2) The ON/OFF input must be driven properly for reliable operation (see Application Information).
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