| •ac to dc converter |
| |
| part no. |
topology
|
max.
input
voltage |
start-up
current |
operating
current |
soft
start |
uvlo |
green
mode |
internal
slop
comp. |
protection |
leb
(ns) |
freq.
jitter |
package |
| isolation |
non-
isolation |
| flyback |
primary
feedback |
secondary
feedback |
on |
off |
current
limit |
ovp |
scp |
otp |
|
-- |
v |
-- |
30v |
20μa |
2ma |
-- |
14.0v |
8.0v |
v |
v |
v |
-- |
v |
-- |
350 |
-- |
8sop |
|
-- |
v |
-- |
30v |
20μa |
2ma |
v |
14.0v |
8.0v |
v |
v |
v |
28v |
v |
-- |
350 |
±4% |
8sop |
|
v |
v |
buck
boost |
30v |
20μa |
2ma |
-- |
8.4v |
7.6v |
burst
mode |
v |
v |
-- |
-- |
-- |
350 |
-- |
8sop |
|
-- |
v |
-- |
30v |
20μa |
2ma |
v |
14.0v |
8.0v |
v |
v |
v |
28v |
v |
external |
350 |
±4% |
8sop |
|
v |
v |
-- |
30v |
20μa |
2ma |
v |
14.0v |
8.0v |
v |
v |
v |
28v |
v |
internal |
350 |
±4% |
8sop |
| note: all devices have a programmable frequency up to 500khzoperating temperature range -40°c ~ 85°c. suggest to limit switching frequency under 75khz for green mode operation. |
| part no. |
topology
|
max.
input
voltage |
start-up
current |
operating
current |
uvlo |
rds(on) |
green mode |
protection |
leb
(ns) |
package |
| isolation |
non-
isolation |
| flyback |
primary
feedback |
on |
off |
current
limit |
ovp |
otp |
| ht7a6312* |
v |
buck
buck-boost |
40v |
1ma |
1ma |
14.5v |
8.0v |
27ω |
butst modde |
0.4a |
42v |
internal |
500 |
8dip/sop |
| ht7a6322* |
v |
buck
buck-boost |
40v |
1ma |
1ma |
14.5v |
8.0v |
15ω |
butst modde |
0.7a |
42v |
internal |
500 |
8dip/sop |
| * under development, available in 1q, 2014. |
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