DL

Featured Products
Buck Switching Regulators
BD9Cxxx Series
12V Input Low ON Resistance High Efficiency
DC/DC Converters with Built-In Power MOSFET
:-.X%&',,,#1#!&'K&'
"
.+/4#
#"$=;7(>;7*
###$;LQ;L*;L
#
01Y!"""#2#;
1
##
Y
1,;'010#Y0#
Y"#
#Y"
;
Features
f
!"#"f
$%&'()*
+#
,
#
-"+
.+/T01
2#
'#
1"0
.##
BD9Cxxx Series Lineup
;
<=;7(>7
8#V":"
##V":" <;>7$78?;@*7
<;>7A(
:V"
+"2# <!-E$;*
<(FA$;*
+
1'#
" T;:" <H=I'J>I'
;$.,;*
+0)>
%&'=(/)
=;$.,;*
-4+0)>
;$.,;*
-4+0)>
Q;$.,;*
-4+0)>
=;(>;
Power Efficiency
(
(O7
;7
(O7;7
>
@
95% Max.
Q
efficiency
=
'
<
V8R(O7
6R;F+U2#R!-E
O
(
;
(
(;
2
6
'#$L*
O;
Application Circuit Diagram
V8
(O7
(F
V8
;F-
;(F
SW
Applications
/1
6'& TVs %
1
K'#/2#
+
6+#
&7&K%#0
:
!"
%&'()
%&'Q(/)
/f$*
Specifications
8#V"$7* ##'#$L*
%&'(/)
3#$'*3+0'#
34+#&$4+&*
35
V"6!#$576*
++#
HTSOP-J8
/
'. LM&
M&
FB
V54
;7
OOF×2
ROHM
Buck Converter Family
Buck DC/DC
C/DC C
Converter
onve
verrterr Product
ve
P duct Family
U..
U..
%&%Q.57
%&LQ.57
6.0
6"6
.
Z,
0T
5.0
4.0
[ #
:
.,#:"
##'#$L*
'
3.0
%&%.57
%&L.57
%&'Q(/)
O7
O
7
%&'(/)
%&'=(/)
O7
O7
%&&O(/)
%&&O/)
%&'()
O7
O7
O7
%&/O/)
%&/(/)06%
%&//)06%
2.5
%&/(O)
%&/(()06%M
%&/()06%M
%&%(.57
%&L(.57
1.0
Q7
7
%&M((M
0.5
3.3
5
12
=7
=7
=7
=7
=7
24
8#%#V"$7*
V
Lineup
8#
B#s
V"e
3.3V
/5V
12V
;
.,;##
'#$L*
%&L(.57
(
%&L.57
%&LQ.57
6
%&%(.57
(
%&%.57
%&%Q.57
6
%&'()
%&'=(/)
4
%&'(/)
%&'Q(/)
6
%&&O/)
%&&O(/)
'
.
6"6
.
'#
+66.
8#V"
$7*
O;@;
,
T
–
=;(>
+66.
@Q
(
%&/(O)
'#
+66.
@26
–
@Q
%&//)06%
O;
%&/(/)06%
%&M((M
;
–
++
M&
"T;
(I'*
!"
–=J>
L
c#1
7b(Q7
(O
(V8×;(O*(V8×;@*
(V8×;(O*_;>7
–
24V
;>(V8×;@*
,
&+66.
T
'#
+"
2#$.-E*
(
%&/()06%M
%&/(()06%M
##V"
$7*
6 42
(V8×;@*(V8×;@*
(V8×;@*_;>7
+0)>
;
–
;@Q(V8×;@*
(V8×;@*`@7
;@
(V8×;(*(V8×;@*
(V8×;(*_(;7
(
(V8×;>*(V8×;@*
(V8×;>*_(;7
(V8×;(=* (V8×;@*
(V8×;(=*_(;7
–=J>
-4+0)>
L
c#1
Tj
a=J(
+0)>
;@
,
(V8×;(*(V8×;@*
(V8×;(*_(;7
(
(V8×;>*(V8×;@*
(V8×;>*_(;7
;@
(;(V8×;@*
(;
5
L(YO(;
QQQ@ 0/ =;O(
,
&
–
a=J>
Tj
a= J(
-4+0)>
a=J(
++Q