LT1528CT Linear Technology, LT1528CT Datasheet - Page 4
![IC LDO REG 3.3V/ADJ 3A TO220-5](/photos/7/43/74381/to-220-5_bent_and_staggered_05-08-1421_sml.jpg)
LT1528CT
Manufacturer Part Number
LT1528CT
Description
IC LDO REG 3.3V/ADJ 3A TO220-5
Manufacturer
Linear Technology
Datasheet
1.LT1528CTPBF.pdf
(12 pages)
Specifications of LT1528CT
Regulator Topology
Positive Fixed and Adjustable
Voltage - Output
3.3V, 3.3 ~ 14.15 V
Voltage - Input
3.9 ~ 15 V
Voltage - Dropout (typical)
0.57V @ 3A
Number Of Regulators
1
Current - Output
3A
Current - Limit (min)
3.2A
Operating Temperature
0°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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LT1528CT
Manufacturer:
LT
Quantity:
5 510
Company:
Part Number:
LT1528CT
Manufacturer:
MAXIM
Quantity:
5 510
LT1528
TYPICAL PERFORMANCE CHARACTERISTICS
4
2000
1750
1500
1250
1000
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
750
500
250
100
90
80
70
60
50
40
30
20
10
0
0
0
0
Quiescent Current
Guaranteed Dropout Voltage
GND Pin Current
0
0
= TEST POINTS
1
1
0.5
2
2
T
OUTPUT CURRENT (A)
J
≤ 125°C
R
I
1.0
3
3
INPUT VOLTAGE (V)
LOAD
INPUT VOLTAGE (V)
L
V
= 2.2Ω
SHDN
4
4
= 1.5A*
V
1.5
SHDN
= OPEN (HIGH)
5
5
= 0V
6
6
T
V
*FOR V
T
2.0
J
OUT
R
I
J
LOAD
= 25°C
R
I
L
LOAD
≤ 25°C
7
7
L
= 4.7Ω
= V
= 1.1Ω
I
R
LOAD
OUT
= 700mA*
LOAD
2.5
8
SENSE
8
= 3A*
1528 TPC01
= 3.3V
1528 TPC04
1528 TPC07
= 0
=
9
9
∞
3.0
10
10
3.400
3.375
3.350
3.325
3.300
3.275
3.250
3.225
3.200
100
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
90
80
70
60
50
40
30
20
10
0
0
–50
–50
Dropout Voltage
0
I
SENSE Pin Voltage
GND Pin Current
I
LOAD
V
DEVICE IS OPERATING
IN DROPOUT
LOAD
IN
–25
–25
= 3.3V
0.5
= 700mA
= 1mA
OUTPUT CURRENT (A)
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
1.0
I
LOAD
I
25
25
LOAD
T
J
1.5
= 25°C
= 3A
= 1.5A
50
50
I
LOAD
I
2.0
LOAD
T
75
75
J
= 300mA
= 125°C
T
J
= 10mA
= –50°C
100
100
2.5
1528 TPC05
1528 TPC02
1528 TPC08
125
125
3.0
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
7
6
4
2
0
0
5
3
1
–50
–50
0
SHDN Pin Threshold
(On-to-Off)
I
Quiescent Current
V
R
GND Pin Current
LOAD
IN
L
1
–25
=
–25
= 4.3V
∞
= 1mA
2
V
SHDN
0
0
V
R
3
TEMPERATURE (°C)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
SHDN
L
R
I
R
I
= 330Ω: I
LOAD
LOAD
= OPEN
L
L
4
25
25
= 11Ω
= 33Ω
= 0V
= 300mA*
= 100mA*
5
50
R
I
50
LOAD
LOAD
L
6
T
V
*FOR V
J
= 6.6Ω
OUT
= 25°C
= 10mA*
= 500mA*
7
75
75
= V
OUT
SENSE
8
100
100
= 3.3V
1528 TPC09
1528 TPC06
1528 TPC03
9
1528fb
125
125
10