LT1965IDD-2.5#PBF Linear Technology, LT1965IDD-2.5#PBF Datasheet - Page 9
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LT1965IDD-2.5#PBF
Manufacturer Part Number
LT1965IDD-2.5#PBF
Description
IC LDO REG LN 2.5V 1.1A 8-DFN
Manufacturer
Linear Technology
Datasheet
1.LT1965EDD-3.3PBF.pdf
(20 pages)
Specifications of LT1965IDD-2.5#PBF
Regulator Topology
Positive Fixed
Voltage - Output
2.5V
Voltage - Input
Up to 20V
Voltage - Dropout (typical)
0.31V @ 1.1A
Number Of Regulators
1
Current - Output
1.1A
Current - Limit (min)
1.2A
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-DFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TYPICAL PERFORMANCE CHARACTERISTICS
2.5
2.0
1.5
1.0
0.0
0.5
6
5
4
3
2
1
0
0
SHDN Pin Input Current
Current Limit vs V
0
2
2
INPUT/OUTPUT DIFFERENTIAL (V)
T
J
4
4
= 125°C
SHDN PIN VOLTAGE (V)
6
6
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
8
8
–50 –25
Reverse Output Current
10
V
V
V
V
V
V
10 12 14 16 18 20
IN
OUT
OUT
OUT
OUT
OUT
IN
= 0V
12
– V
= 1.2V (LT1965)
= 1.5V (LT1965-1.5)
= 1.8V (LT1965-1.8)
= 2.5V (LT1965-2.5)
= 3.3V (LT1965-3.3)
ΔV
14
OUT
OUT
0
TEMPERATURE (°C)
T
T
16
J
J
LT1965-1.5/-1.8/-2.5/-3.3
LT1965
= 100mV
= –50°C
= 25°C
25
1965 G11
18
1965 G30
20
50
75
6.0
5.9
5.8
5.7
5.6
5.5
5.4
5.3
5.2
5.1
5.0
3.0
2.5
2.0
1.5
1.0
0.5
100
0
–50 –25
–50 –25
1965 G33
SHDN Pin Input Current
Current Limit vs Temperature
V
SHDN
125
= 20V
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
50
50
90
80
70
60
50
40
30
20
10
0
75
75
10
Ripple Rejection vs Frequency
V
I
C
V
+ 1V + 50mV
L
OUT
OUT
IN
V
= 0.75A
100
100
IN
= V
1965 G12
1965 G15
= 7V
= 0V
= 10μF CERAMIC
100
OUT(NOMINAL)
125
125
RMS
FREQUENCY (Hz)
1k
RIPPLE
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
6
5
4
3
2
1
0
0
10k
–50 –25
0
ADJ Pin Bias Current
Reverse Output Current
T
V
V
V
(LT1965-1.5/-1.8/-2.5/-3.3)
CURRENT FLOWS INTO
OUTPUT PIN
J
IN
OUT
OUT
= 25°C
1
LT1965-1.8
= 0V
LT1965 Series
= V
= V
100k
LT1965-1.5
ADJ
SENSE
2
OUTPUT VOLTAGE (V)
1965 G34
0
TEMPERATURE (°C)
(LT1965)
3
1M
25
4
LT1965-3.3
5
50
6
75
LT1965-2.5
LT1965
7
100
8
1965 G32
1965 G13
1965fa
9
125
9