ltm8021 Linear Technology Corporation, ltm8021 Datasheet - Page 4

• Manufacturer Part Number: ltm8021
• Description: 36vin, 500ma Step-down Dc/dc ?module
• Manufacturer: Linear Technology Corporation

LTM8021
TYPICAL PERFORMANCE CHARACTERISTICS
4
65
90
85
80
75
70
60
55
50
45
40
65
90
85
80
75
70
60
0
Effi ciency vs Load Current
Effi ciency vs Load Current
0
V
V
OUT
OUT
50
50
= 1.8V
= 5V
100
100
150
LOAD CURRENT (mA)
150
LOAD CURRENT (mA)
200
200
V
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
IN
250
250
= 12V
= 24V
= 36V
= 12V
= 24V
= 36V
= 5V
8
7
6
5
4
3
0
2
1
300
300
0
I
BIAS
V
OUT
350
350
100
= 2.5V
vs Load Current
400
400
450
450
8021 G01
8021 G04
LOAD CURRENT (mA)
200
500
500
300
V
V
V
IN
IN
IN
400
90
85
80
75
70
65
60
55
50
= 12V
= 24V
6
5
4
3
0
2
1
= 5V
0
Effi ciency vs Load Current
0
I
V
V
BIAS
OUT
OUT
500
50
100
8021 G07
= 0.8V
= 2.5V
vs Load Current
100
600
LOAD CURRENT (mA)
150
LOAD CURRENT (mA)
200
200
V
V
V
V
IN
IN
IN
IN
300
250
= 12V
= 24V
= 36V
= 5V
V
300
V
V
IN
V
IN
IN
IN
400
= 3.4V
= 12V
= 24V
350
= 5V
400
10
500
9
8
7
6
5
4
3
0
2
1
450
8021 G05
0
I
8021 G02
T
BIAS
V
A
OUT
500
600
= 25
100
= 3.3V
vs Load Current
°
C, unless otherwise noted
LOAD CURRENT (mA)
200
65
90
85
80
75
70
60
55
9
8
7
6
5
4
3
2
1
0
0
0
300
Effi ciency vs Load Current
I
V
V
BIAS
OUT
OUT
50
V
V
100
V
= 3.3V
= 1.8V
IN
IN
vs Load Current
IN
100
400
= 12V
= 24V
= 5V
150
LOAD CURRENT (mA)
LOAD CURRENT (mA)
200
500
200
V
V
V
V
8021 G08
IN
IN
IN
IN
250
300
= 12V
= 24V
= 36V
= 5V
600
V
300
IN
V
V
V
IN
IN
IN
400
= 3.4V
350
= 12V
= 24V
= 5V
400
500
450
8021 G03
8021 G06
8021fa
500
600