LT1963AES8#TRPBF Linear Technology, LT1963AES8#TRPBF Datasheet - Page 11
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LT1963AES8#TRPBF
Manufacturer Part Number
LT1963AES8#TRPBF
Description
IC LDO REG LOW NOISE 1.5A 8-SOIC
Manufacturer
Linear Technology
Datasheet
1.LT1963AEST-3.3TRPBF.pdf
(28 pages)
Specifications of LT1963AES8#TRPBF
Regulator Topology
Positive Adjustable
Voltage - Output
1.21 ~ 20 V
Voltage - Input
2.1 ~ 20 V
Voltage - Dropout (typical)
0.34V @ 1.5A
Number Of Regulators
1
Current - Output
1.5A
Current - Limit (min)
1.6A
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Voltage Regulator Type
Linear
Topology
LDO
Regulator Output Type
Adjustable
Polarity Type
Positive
Number Of Outputs
Single
Input Voltage (min)
1.9V
Input Voltage (max)
20V
Output Voltage
1.21 to 20V
Package Type
SOIC N
Output Current
1.5A
Load Regulation
8mV
Line Regulation
5mV
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Dropout Voltage@current (max)
0.06@1mA/0.17@100mA
Dropout Voltage@current (typ)
0.02@1mA/0.1@100mA
Pin Count
8
Mounting
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TYPICAL PERFORMANCE CHARACTERISTICS
80
70
60
50
40
30
20
10
0
10
Ripple Rejection
I
V
L
IN
= 0.75A
= V
–10
–15
–20
10
–5
50
45
40
35
30
25
20
15
10
5
0
100
OUT(NOMINAL)
0.0001
C
–50
5
0
OUT
Load Regulation
RMS Output Noise vs Load
Current (10Hz to 100kHz)
V
V
ΔI
C
IN
IN
(LT1963A-1.8/-2.5/-3.3)
OUT
= 100µF TANTALUM
+10 × 1µF CERAMIC
L
–25
FREQUENCY (Hz)
= V
= 2.7V (LT1963A/LT1963A-1.5)
= 1mA TO 1.5A
1k
= 10µF
0.001
OUT(NOMINAL)
C
OUT
LT1963A-1.8
+1V + 50mV
0
TEMPERATURE (°C)
LOAD CURRENT (A)
= 10µF TANTALUM
LT1963A-2.5
10k
0.01
25
+1V
LT1963A-1.8
LT1963A-1.5
LT1963A
RMS
50
100k
LT1963A-2.5
LT1963A-3.3
LT1963A-3.3
0.1
RIPPLE
1963A G31
LT1963A-1.5
75
1M
LT1963A
100
1
1963A G34
1963A G36
125
10
76
74
72
70
68
66
64
62
–50
Ripple Rejection
I
V
RIPPLE AT f = 120Hz
L
IN
= 0.75A
–25
= V
OUT(NOMINAL)
0
TEMPERATURE (°C)
25
+1V + 0.5V
50
100µV/DIV
75
V
P-P
OUT
LT1963A-3.3 10Hz to 100kHz Output Noise
100
C
I
LOAD
OUT
1963A G32
0.01
0.1
1.0
= 10µF
= 1.5A
125
10
Output Noise Spectral Density
C
I
LT1963A-3.3
L
OUT
=1.5A
LT1963A-1.8
= 10µF
100
3.0
2.5
2.0
1.5
1.0
0.5
0
–50
FREQUENCY (Hz)
LT1963A Minimum Input Voltage
LT1963A-1.5
LT1963A Series
1ms/DIV
–25
1k
LT1963A-2.5
I
L
0
I
= 1.5A
L
TEMPERATURE (°C)
= 100mA
10k
25
LT1963A
50
1963A G35
100k
75
1963A G37
I
L
= 500mA
11
100
1963A G33
1963afe
125