Datasheet

LT3008 Series
5
3008fc
PARAMETER CONDITIONS MIN TYP MAX UNITS
Load Regulation (Note 3) LT3008-1.2: V
IN
= 2V, I
LOAD
= 1µA to 10mA
V
IN
= 2V, I
LOAD
= 1µA to 20mA
l
l
0.8
1
4
10
mV
mV
LT3008-1.5: V
IN
= 2.05V, I
LOAD
= 1µA to 10mA
V
IN
= 2.05V, I
LOAD
= 1µA to 20mA
l
l
1
1.3
5
13
mV
mV
LT3008-1.8: V
IN
= 2.35V, I
LOAD
= 1µA to 10mA
V
IN
= 2.35V, I
LOAD
= 1µA to 20mA
l
l
1.2
1.5
6
15
mV
mV
LT3008-2.5: V
IN
= 3.05V, I
LOAD
= 1µA to 10mA
V
IN
= 3.05V, I
LOAD
= 1µA to 20mA
l
l
1.7
2.1
8.3
21
mV
mV
LT3008-3.3: V
IN
= 3.85V, I
LOAD
= 1µA to 10mA
V
IN
= 3.85V, I
LOAD
= 1µA to 20mA
l
l
2.2
2.8
11
28
mV
mV
LT3008-5: V
IN
= 5.55V, I
LOAD
= 1µA to 10mA
V
IN
= 5.55V, I
LOAD
= 1µA to 20mA
l
l
3.4
4.2
17
42
mV
mV
LT3008: V
IN
= 2V, I
LOAD
= 1µA to 10mA
V
IN
= 2V, I
LOAD
= 1µA to 20mA
l
l
0.4
0.5
2
5
mV
mV
Dropout Voltage
V
IN
= V
OUT(NOMINAL)
(Notes 5, 6)
I
LOAD
= 100µA
I
LOAD
= 100µA
l
115 180
250
mV
mV
I
LOAD
= 1mA
I
LOAD
= 1mA
l
170 250
350
mV
mV
I
LOAD
= 10mA
I
LOAD
= 10mA
l
270 340
470
mV
mV
I
LOAD
= 20mA
I
LOAD
= 20mA
l
300 365
500
mV
mV
Quiescent Current (Notes 6, 7) I
LOAD
= 0µA
I
LOAD
= 0µA
l
3
6
µA
µA
GND Pin Current
V
IN
= V
OUT(NOMINAL)
+ 0.5V (Notes 6, 7)
I
LOAD
= 0µA
I
LOAD
= 100µA
I
LOAD
= 1mA
I
LOAD
= 10mA
I
LOAD
= 20mA
l
l
l
l
l
3
6
21
160
350
6
12
50
500
1200
µA
µA
µA
µA
µA
Output Voltage Noise (Note 9) C
OUT
= 2.2µF, I
LOAD
= 20mA, BW = 10Hz to 100kHz 92 µV
RMS
ADJ Pin Bias Current –10 0.4 10 nA
Shutdown Threshold V
OUT
= Off to On
V
OUT
= On to Off
l
l
0.25
0.67
0.61
1.5 V
V
SHDN Pin Current V
SHDN
= 0V, V
IN
= 45V
V
SHDN
= 45V, V
IN
= 45V
l
l
0.65
±1
2
µA
µA
Quiescent Current in Shutdown V
IN
= 6V, V
SHDN
= 0V
l
<1 µA
Ripple Rejection (Note 3) V
IN
– V
OUT
= 2V, V
RIPPLE
= 0.5V
P-P
,
f
RIPPLE
= 120Hz, I
LOAD
= 20mA
LT3008
LT3008-1.2
LT3008-1.5
LT3008-1.8
LT3008-2.5
LT3008-3.3
LT3008-5
58
54
53
52
49
47
42
70
66
65
64
61
59
54
dB
dB
dB
dB
dB
dB
dB
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
J
= 25°C. (Note 2)