Datasheet

LTM4600HV
5
4600hvfc
V
IN
(V)
0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
515
4600HV G14
10 2420
V
OUT
(V)
5V
3.3V
f
ADJ
= OPEN
2.5V
1.8V
1.5V
1.2V
0.6V
SEE FREQUENCY ADJUSTMENT DISCUSSION
FOR 12V
IN
TO 5V
OUT
AND 5V
IN
TO 3.3V
OUT
CONVERSION
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Start-Up, I
OUT
= 0A
Start-Up, I
OUT
= 10A
(
Resistive Load
)
Short-Circuit Protection,
I
OUT
= 0A
Short-Circuit Protection,
I
OUT
= 10A
200μs/DIV
4600hv G10
V
IN
= 12V
V
OUT
= 1.5V
C
OUT
= 200μF
NO EXTERNAL SOFT-START CAPACITOR
V
OUT
(0.5V/DIV)
I
IN
(0.5A/DIV)
200μs/DIV
4600hv G11
V
IN
= 12V
V
OUT
= 1.5V
C
OUT
= 200μF
NO EXTERNAL SOFT-START CAPACITOR
V
OUT
(0.5V/DIV)
I
IN
(0.5A/DIV)
20μs/DIV
4600hv G12
V
IN
= 12V
V
OUT
= 1.5V
C
OUT
= 2× 200μF/X5R
NO EXTERNAL SOFT-START CAPACITOR
V
OUT
(0.5V/DIV)
I
IN
(0.2A/DIV)
20μs/DIV
4600hv G13
V
IN
= 12V
V
OUT
= 1.5V
C
OUT
= 2× 200μF/X5R
NO EXTERNAL SOFT-START CAPACITOR
V
OUT
(0.5V/DIV)
I
IN
(0.5A/DIV)
V
IN
to V
OUT
Ste
p
down Ratio
(See Figure 21 for all curves)
V
OSET
vs Tem
p
erature
TEMPERATURE (°C)
–55
0.590
V
OSET
(V)
0.595
0.600
0.605
0.610
–25 5 35 65
4600HV G15
95 125
V
IN
= 12V
V
OUT
= 1.5V
I
OUT
= 10A
400μs/DIV
4600HV G16
Start-U
p
Waveform, T
A
= –55°C