Datasheet

LT1965 Series
4
1965fb
For more information www.linear.com/LT1965
electrical characteristics
PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage
(Notes 4, 12)
I
LOAD
= 0.5A
I
LOAD
= 1.1A (T
J
< 125°C)
I
LOAD
= 1A (H-Grade, T
J
> 125°C)
l
1.65
1.8 2.3
2.3
V
V
V
Regulated Output Voltage
(Note 5)
LT1965-1.5, V
IN
= 2.1V, I
LOAD
= 1mA
LT1965-1.5, 2.5 < V
IN
< 20V, 1mA < I
LOAD
< 1.1A
l
1.477
1.455
1.5
1.5
1.523
1.545
V
V
LT1965-1.8, V
IN
= 2.3V, I
LOAD
= 1mA
LT1965-1.8, 2.8 < V
IN
< 20V, 1mA < I
LOAD
< 1.1A
l
1.773
1.746
1.8
1.8
1.827
1.854
V
V
LT1965-2.5, V
IN
= 3V, I
LOAD
= 1mA
LT1965-2.5, 3.5 < V
IN
< 20V, 1mA < I
LOAD
< 1.1A
l
2.462
2.425
2.5
2.5
2.538
2.575
V
V
LT1965-3.3, V
IN
= 3.8V, I
LOAD
= 1mA
LT1965-3.3, 4.3 < V
IN
< 20V, 1mA < I
LOAD
< 1.1A
l
3.25
3.201
3.3
3.3
3.35
3.399
V
V
ADJ Pin Voltage (Notes 4, 5) V
IN
= 2.1V, I
LOAD
= 1mA
2.3V < V
IN
< 20V, 1mA < I
LOAD
< 1.1A (T
J
< 125°C)
2.3V < V
IN
< 20V, 1mA < I
LOAD
< 1A (H-Grade, T
J
> 125°C)
l
1.182
1.164
1.158
1.2
1.2
1.218
1.236
1.236
V
V
V
Line Regulation LT1965-1.5, ∆V
IN
= 2.1V to 20V, I
LOAD
= 1mA
LT1965-1.8, ∆V
IN
= 2.3V to 20V, I
LOAD
= 1mA
LT1965-2.5, ∆V
IN
= 3V to 20V, I
LOAD
= 1mA
LT1965-3.3, ∆V
IN
= 3.8V to 20V, I
LOAD
= 1mA
LT1965, ∆V
IN
= 2.1V to 20V, I
LOAD
= 1mA (E-, I-Grades) (Note 4)
LT1965, ∆V
IN
= 2.1V to 20V, I
LOAD
= 1mA (H-Grade) (Note 4)
l
l
l
l
l
l
3.5
4
4.5
5.5
3
3
9
10
11.5
16
8
12
mV
mV
mV
mV
mV
mV
Load Regulation LT1965-1.5, V
IN
= 2.5V, ∆I
LOAD
= 1mA to 1.1A
LT1965-1.5, V
IN
= 2.5V, ∆I
LOAD
= 1mA to 1.1A
l
5.25 10
20
mV
mV
LT1965-1.8, V
IN
= 2.8V, ∆I
LOAD
= 1mA to 1.1A
LT1965-1.8, V
IN
= 2.8V, ∆I
LOAD
= 1mA to 1.1A
l
6.25 12
24
mV
mV
LT1965-2.5, V
IN
= 3.5V, ∆I
LOAD
= 1mA to 1.1A
LT1965-2.5, V
IN
= 3.5V, ∆I
LOAD
= 1mA to 1.1A
l
8.75 16.5
33
mV
mV
LT1965-3.3, V
IN
= 4.3V, ∆I
LOAD
= 1mA to 1.1A
LT1965-3.3, V
IN
= 4.3V, ∆I
LOAD
= 1mA to 1.1A
l
11.5 22
44
mV
mV
LT1965, V
IN
= 2.3V, ∆I
LOAD
= 1mA to 1.1A (Note 4)
LT1965, V
IN
= 2.3V, ∆I
LOAD
= 1mA to 1.1A (T
J
< 125°C)
LT1965, V
IN
= 2.3V, ∆I
LOAD
= 1mA to 1A (H-Grade, T
J
> 125°C)
l
4.25 8
16
22
mV
mV
mV
Dropout Voltage
V
IN
= V
OUT(NOMINAL)
(Notes 6, 7, 12)
I
LOAD
= 1mA
I
LOAD
= 1mA
l
0.055 0.08
0.14
V
V
I
LOAD
= 100mA
I
LOAD
= 100mA
l
0.12 0.175
0.28
V
V
I
LOAD
= 500mA
I
LOAD
= 500mA
l
0.21 0.25
0.36
V
V
I
LOAD
= 1.1A
I
LOAD
= 1.1A (T
J
< 125°C)
I
LOAD
= 1A (H-Grade, T
J
> 125°C)
l
0.31 0.36
0.49
0.49
V
V
V
GND Pin Current
V
IN
= V
OUT(NOMINAL)
+ 1V
(Notes 6, 8)
I
LOAD
= 0mA
I
LOAD
= 1mA
I
LOAD
= 100mA
I
LOAD
= 500mA
I
LOAD
= 1.1A (T
J
< 125°C)
I
LOAD
= 1A (H-Grade, T
J
> 125°C)
l
l
l
l
l
0.5
0.6
2.2
8.2
21
1.1
1.5
5.5
20
40
40
mA
mA
mA
mA
mA
mA
Output Voltage Noise C
OUT
= 10µF, I
LOAD
= 1.1A, BW = 10Hz to 100kHz 40 µV
RMS
ADJ Pin Bias Current
(Notes 4, 9)
1.3 4.5 µA
Shutdown Threshold V
OUT
= Off to On
V
OUT
= On to Off
l
l
0.2
0.85
0.45
2 V
V
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 3)