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