lt1038mk Linear Technology Corporation, lt1038mk Datasheet - Page 3

• Manufacturer Part Number: lt1038mk
• Description: 10a Positive Adjustable Voltage Regulator
• Manufacturer: Linear Technology Corporation

ELECTRICAL CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Unless otherwise specified, these specifications apply:
V
power dissipations up to 75W. At input-output voltage differentials greater
TYPICAL PERFOR A CE CHARACTERISTICS
IN
0.0001
0.001
– V
0.01
0.1
10
1
4
3
2
1
OUT
– 75
10
Dropout Voltage
Output Impedance
V
V
I
OUT
IN
OUT
= 5V and I
V
– 50
OUT
= 15V
= 1A
= 10V
100
– 25
= 100mV
C
C
I
I
OUT
TEMPERATURE ( C)
OUT
ADJ
OUT
0
FREQUENCY (Hz)
OUT
= 0 F
= 0 F
1k
= 10A
= 2A
25
= 5A. These specifications are applicable for
50
10k
75 100 125
C
C
ADJ
OUT
I
W
OUT
100k
= 10 F
= 10 F
= 6A
1038 TA02
1038 G04
U
150
1M
65
60
55
50
45
40
35
30
10
8
6
4
2
0
– 75
0
Minimum Operating Current
Adjustment Current
– 50
5
INPUT-OUTPUT DIFFERENTIAL (V)
T
– 25
j
= 25 C
10
TEMPERATURE ( C)
0
15
25
20
than 10V, achievable output current and power dissipation decrease due to
protection circuitry.
Note 3: See thermal regulation specifications for changes in output voltage
due to heating effects. Load and line regulation are measured at a constant
junction temperature by low duty cycle pulse testing.
T
j
50
= 150 C
25
75 100 125
T
j
30
= – 55 C
35
1038 G02
1038 G05
150
40
1.27
1.26
1.25
1.24
1.23
100
80
60
40
20
0
–50
Ripple Rejection
0
Temperature Stability
V
I
f = 120Hz
T
OUT
j
IN
–25
= 25 C
– V
5
= 1A
OUT
0
10
OUTPUT VOLTAGE (V)
= 5V
TEMPERATURE ( C)
25
C
15
ADJ
50
= 0 F
20
LT1038
75
C
ADJ
25
100
= 10 F
30
125
1038 G03
1038 G06
3
150
35