LT1965IMS8E#PBF Linear Technology, LT1965IMS8E#PBF Datasheet - Page 10
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LT1965IMS8E#PBF
Manufacturer Part Number
LT1965IMS8E#PBF
Description
IC REG LDO 1.1A 8-MSOP
Manufacturer
Linear Technology
Datasheet
1.LT1965EDD-3.3PBF.pdf
(20 pages)
Specifications of LT1965IMS8E#PBF
Regulator Topology
Positive Adjustable
Voltage - Output
1.2 ~ 19.5 V
Voltage - Input
1.8 ~ 20 V
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-MSOP Exposed Pad, 8-HMSOP, 8-eMSOP
Voltage Regulator Type
Linear
Topology
LDO
Regulator Output Type
Adjustable
Polarity Type
Positive
Number Of Outputs
Single
Input Voltage (min)
1.8V
Input Voltage (max)
20V
Output Voltage
1.2 to 19.5V
Package Type
MSOP EP
Output Current
1.1A
Load Regulation
8mV
Line Regulation
8mV
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Dropout Voltage@current (max)
0.08@1mA/0.175@100mA
Dropout Voltage@current (typ)
0.055@1mA/0.12@100mA
Pin Count
8
Mounting
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
LT1965 Series
TYPICAL PERFORMANCE CHARACTERISTICS
10
1.00
0.10
0.01
100
90
80
70
60
–50 –25
10
Ripple Rejection vs Temperature
Output Noise Spectral Density
LT1965-1.8
C
I
I
V
RIPPLE AT f = 120Hz
L
L
IN
OUT
= 1.1A
= 0.75A
= V
= 10μF
OUT(NOMINAL)
100
0
TEMPERATURE (°C)
–100
FREQUENCY (Hz)
–50
100
0.5
1.5
1.0
0.0
50
LT1965-1.5
0
LT1965-2.5
25
0
LT1965-3.3 Transient Response
V
1k
+ 1V + 0.5
OUT
10
50
= 3.3V
20
75
P-P
LT1965-3.3
LT1965
10k
30
100
TIME (μs)
1965 G35
1965 G38
40
V
C
C
100k
IN
IN
OUT
125
= 4.3V
= 10μF CERAMIC
50
= 10μF CERAMIC
60
2.5
2.0
1.5
1.0
0.5
80
70
60
50
40
30
20
10
0.0001
70
0
0
–50
1965 G41
LT1965 Minimum Input Voltage
RMS Output Noise vs Load
Current (10Hz to 100kHz)
C
I
L
OUT
80
= 1.1A
–25
= 10μF
0.001
I
L
= 500mA
0
TEMPERATURE (°C)
LOAD CURRENT (A)
0.01
LT1965-1.5
25
50
0.1
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
75
0
LT1965-2.5 SHDN Transient
Response
LT1965-3.3
LT1965-2.5
LT1965-1.8
LT1965
I
V
C
R
I
L
L
IN
OUT
L
= 100mA
1
10
= 1.1A
= 2.5k, I
100
= 3.3V
1965 G39
1965 G36
= 10μF CERAMIC
SHDN
20
125
10
L
30
= 1mA FOR V
OUTPUT
100μV/DIV
40
TIME (μs)
50
V
–10
–15
–20
–25
–30
OUT
–5
0
60
–50
OUT
Load Regulation
LT1965-1.8 10Hz to 100kHz
Output Noise
V
(LT1965-1.5/-1.8/-2.5/-3.3)
V
ΔI
LT1965-1.8
IN
IN
70
= 2.5V
L
= V
= 2.3V (LT1965)
= 1mA TO 1.1A
–25
80
OUT(NOMINAL)
90
0
TEMPERATURE (°C)
1965 G42
LT1965-2.5
100
400μs/DIV
25
+ 1V
LT1965-3.3
LT1965-1.5
50
75
LT1965
100
1965 G37
1965 G40
1965fa
125