LT1965EDD#TRPBF Linear Technology, LT1965EDD#TRPBF Datasheet - Page 10

• Manufacturer Part Number: LT1965EDD#TRPBF
• Description: IC REG LDO 1.1A 8-DFN
• Manufacturer: Linear Technology

Specifications of LT1965EDD#TRPBF

• 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-DFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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