LT1963AET Linear Technology, LT1963AET Datasheet - Page 11

• Manufacturer Part Number: LT1963AET
• Description: IC LDO REG LOW NOISE 1.5A TO2205
• Manufacturer: Linear Technology

Specifications of LT1963AET

• 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: Through Hole
• Package / Case: TO-220-5 (Bent and Staggered Leads)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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