LTM8028
4
8028fb
For more information www.linear.com/LTM8028
Typical perForMance characTerisTics
Power Loss vs Output Current,
1.5V
OUT
Power Loss vs Output Current,
1.8V
OUT
Input Current vs Output Current,
0.8V
OUT
Input Current vs Output Current,
1V
OUT
Input Current vs Output Current,
1.2V
OUT
Input Current vs Output Current,
1.5V
OUT
Power Loss vs Output Current,
0.8V
OUT
Power Loss vs Output Current,
1V
OUT
Power Loss vs Output Current,
1.2V
OUT
OUTPUT CURRENT (A)
0
POWER LOSS (W)
3
4
5
4
8028 G01
2
1
0
1
2
3
5
36V
IN
24V
IN
12V
IN
6V
IN
OUTPUT CURRENT (A)
0
POWER LOSS (W)
3
4
5
4
8028 G02
2
1
0
1
2
3
5
36V
IN
24V
IN
12V
IN
6V
IN
OUTPUT CURRENT (A)
0
POWER LOSS (W)
3
4
5
4
8028 G03
2
1
0
1
2
3
5
36V
IN
24V
IN
12V
IN
6V
IN
OUTPUT CURRENT (A)
0
POWER LOSS (W)
3
4
5
4
8028 G04
2
1
0
1
2
3
5
36V
IN
24V
IN
12V
IN
6V
IN
OUTPUT CURRENT (A)
0
3
4
4
2
1
0
1
2
3
36V
IN
24V
IN
12V
IN
6V
IN
OUTPUT CURRENT (A)
0
1000
1200
1400
4
8026 G06
800
600
1 2 3 5
400
200
0
INPUT CURRENT (mA)
6V
IN
12V
IN
24V
IN
36V
IN
OUTPUT CURRENT (A)
0
INPUT CURRENT (mA)
600
800
1000
3
5
8028 G07
400
200
0
1 2 4
1200
1400
1600
6V
IN
12V
IN
24V
IN
36V
IN
OUTPUT CURRENT (A)
0
0
INPUT CURRENT (mA)
200
600
800
1000
2
4
5
1800
8028 G08
400
1 3
1200
1400
1600
6V
IN
12V
IN
24V
IN
36V
IN
OUTPUT CURRENT (A)
0
INPUT CURRENT (mA)
1200
1600
2000
4
8028 G09
800
400
1000
1400
1800
600
200
0
1
2
3
5
6V
IN
12V
IN
24V
IN
36V
IN
LTM8028
5
8028fb
For more information www.linear.com/LTM8028
Typical perForMance characTerisTics
Transient Response,
Demo Board, 1V
Transient Response,
Demo Board, 1.2V
Transient Response,
Demo Board, 1.5V
Transient Response,
Demo Board, 1.8V Output Noise, 1.8V
OUT
Output Current vs I
MAX
Voltage,
12V
IN
Input Current vs Output Current,
1.8V
OUT
Input Current vs Input Voltage,
Output Shorted
Output Current vs Input Voltage,
Output Shorted
OUTPUT CURRENT (A)
0
INPUT CURRENT (mA)
1500
2000
2500
4
8028 G10
1000
500
0
1
2
3
5
6V
IN
12V
IN
24V
IN
36V
IN
INPUT VOLTAGE (V)
0
0
INPUT CURRENT (mA)
200
400
600
800
1000
1200
10 20 30 40
8038 G11
INPUT VOLTAGE (V)
0
5.0
OUTPUT CURRENT (A)
5.2
5.4
5.6
5.8
6.0
6
12 18 24
8028 G12
30 36
I
MAX
VOLTAGE (V)
0
1
0
OUTPUT CURRENT (A)
2
3
4
5
6
0.5 1.0 1.5 2.0
8028 G18
V
OUT
20mV/DIV
I
OUT
2A/DIV
∆I
OUT
0.5A TO 5A
s
RISE/FALL
TIME
10µs/DIV
C
OUT
= 100µF + 22µF + 10µF + 4.7µF
8028 G13
V
OUT
20mV/DIV
I
OUT
2A/DIV
∆I
OUT
0.5A TO 5A
s
RISE/FALL
TIME
10µs/DIV
C
OUT
= 100µF + 22µF + 10µF + 4.7µF
8028 G14
V
OUT
20mV/DIV
I
OUT
2A/DIV
∆I
OUT
0.5A TO 5A
s
RISE/FALL
TIME
10µs/DIV
C
OUT
= 100µF + 22µF + 10µF + 4.7µF
8028 G15
V
OUT
20mV/DIV
I
OUT
2A/DIV
∆I
OUT
0.5A TO 5A
s
RISE/FALL
TIME
20µs/DIV
C
OUT
= 100µF + 22µF + 10µF + 4.7µF
8028 G16
500µV/DIV
1µs/DIV
MEASURED WITH HP461A AMPLIFIER
(150MHz BW) AT J5 BNC CONNECTOR
ON DC1738 DEMO BOARD
f
SW
= 500kHz
C
OUT
= 137µF
5A LOAD
8028 G17
LTM8028
6
8028fb
For more information www.linear.com/LTM8028
Typical perForMance characTerisTics
Temperature Rise
vs Output Current, 1.2V
OUT
Temperature Rise
vs Output Current, 1.5V
OUT
Temperature Rise
vs Output Current, 1.8V
OUT
Output Noise Spectral Density Soft-Start Waveform vs C
SS
Output Voltage Change vs MARGA
Voltage, 1V
OUT
Temperature Rise
vs Output Current, 0.8V
OUT
Temperature Rise
vs Output Current, 1V
OUT
MARGA VOLTAGE (V)
0
–10
–15
V
OUT
CHANGE (%)
–5
0
5
10
15
0.3 0.6 0.9 1.2
8028 G19
OUTPUT CURRENT (A)
0
0
TEMPERATURE RISE (°C)
10
20
30
40
50
60
1 2 3 4
8028 G20
5
36V
IN
24V
IN
12V
IN
6V
IN
OUTPUT CURRENT (A)
0
0
TEMPERATURE RISE (°C)
10
20
30
40
50
60
1 2 3 4
8028 G21
5
36V
IN
24V
IN
12V
IN
6V
IN
OUTPUT CURRENT (A)
0
0
TEMPERATURE RISE (°C)
10
20
30
40
50
60
1 2 3 4
8028 G22
5
36V
IN
24V
IN
12V
IN
6V
IN
OUTPUT CURRENT (A)
0
0
TEMPERATURE RISE (°C)
10
20
30
40
50
60
1 2 3 4
8028 G23
5
36V
IN
24V
IN
12V
IN
6V
IN
OUTPUT CURRENT (A)
0
0
TEMPERATURE RISE (°C)
10
20
30
40
50
60
1 2 3 4
8028 G24
5
36V
IN
24V
IN
12V
IN
6V
IN
FREQUENCY (Hz)
0.01
µV/√Hz
0.1
1
10
10 100 1k 10k 100k
1M
0.001
8028 G25
C
OUT
= 137µF
V
OUT
= 1.8V
I
OUT
= 5A
V
IN
= 12V
500mV/DIV
2ms/DIV
V
IN
= 12V
5A RESISTIVE LOAD
C
OUT
= 4.7µF + 10µF + 22µF
C
BKV
= 100µF + 470µF
8028 G26
C
SS
= OPEN C
SS
= 10nF
C
SS
= 47nF
C
SS
= 100nF

LTM8028MPY#PBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 36VIN, UltraFast, Low Output Noise 5A Module Regulator
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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