5
dc1588af
DEMO MANUAL DC1588A
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representation
that the interconnection of its circuits as described herein will not infringe on existing patent rights.
SCHEMATIC DIAGRAMS
BURST
M
O
DE
FC
M
1
3
2
VI
N
GN
D
VI
N
+
VI
N
-
VO
+
VO
U
T
GN
D
VO
-
0.8V
-
3.3V
2.
5V
1.
0V
1.
2V
1.
8V
1.
5V
VO
U
T
SEL
EC
T
1.5V
-
5.5V
SG
N
D
PUL
SE_
SKIP
0.
8V
P
GOOD
@15A
CLK
IN
SHT 1
SHT 1
SHT 1
SHT 1
3.
3V
DY
NA
M
IC LO
A
D
CIRCUIT
IO
ST
EP
IO
ST
EP_
C
L
K
VO
U
T
RUN
2
SS
1
TR
A
C
K
T
R
AC
K/
SS
3
TR
A
C
K
ON
OF
F
VO
UT
<
VI
N
RUN
TTTT
16V
1210
1210
1210
1210
1210
1210
1210
1210
VO
+
EX
T
C
L
K
VO
UT
VO
-
VO
+
VO
-
VIN
RUN
VIN
INTVCC
INTVCC
INTVCC
VIN
VO
UT
VO
UT
VIN
INTVCC
RUN
RE
V
IS
IO
N
HI
S
T
O
R
Y
DESCRIPT
IO
N
D
AT
E
APPRO
VED
ECO
R
EV
J
E
FF Z.
PRODUCT
ION
2
05/
1
3/
10
RE
V
IS
IO
N
HI
S
T
O
R
Y
DESCRIPT
IO
N
D
AT
E
APPRO
VED
ECO
R
EV
J
E
FF Z.
PRODUCT
ION
2
05/
1
3/
10
RE
V
IS
IO
N
HI
S
T
O
R
Y
DESCRIPT
IO
N
D
AT
E
APPRO
VED
ECO
R
EV
J
E
FF Z.
PRODUCT
ION
2
05/
1
3/
10
6,=(
'$7(
,&12
5(9
6+((7
2)
7,7/(
$33529$/6
3&%'(6
$33(1*
T
E
CHNO
LO
G
Y
)D[
0LOSLWDV&$ 3KRQH
0F&DUWK\%OYG
/7&&RQILGHQWLDO)RU&XVWRPHU8VH2QO\
&86720(5127,&(
/,1($57(&+12/2*<+$60$'($%(67())25772'(6,*1$
&,5&8,77+$70((76&86720(56833/,('63(&,),&$7,216
+2:(9(5,75(0$,167+(&86720(565(63216,%,/,7<72
9(5,)<3523(5$1'5(/,$%/(23(5$7,21,17+($&78$/
$33/,&$7,21&20321(1768%67,787,21$1'35,17('
&,5&8,7%2$5'/$<2870$<6,*1,),&$17/<$))(&7&,5&8,7
3(5)250$1&(255(/,$%,/,7<&217$&7/,1($5
7(&+12/2*<$33/,&$7,216(1*,1((5,1*)25$66,67$1&(
7+,6&,5&8,7,635235,(7$5<72/,1($57(&+12/2*<$1'
6&+(0$7,&
6833/,(')2586(:,7+/,1($57(&+12/2*<3$576
6&$/( 121(
ZZZOLQHDUFRP
T
hur
sday
, M
a
y
13,
2010
HI
G
H
EFFI
CI
ENCY ULTRA-
LO
W
VI
N 15A
0,
-())=
1$
LTM
4611EV
DEM
O
CIRCUIT
1588A
STEP-
D
O
W
N PO
W
E
R MO
DULE
R
6,=(
'$7(
,&12
5(9
6+((7
2)
7,7/(
$33529$/6
3&%'(6
$33(1*
T
E
CHNO
LO
G
Y
)D[
0LOSLWDV&$ 3KRQH
0F&DUWK\%OYG
/7&&RQILGHQWLDO)RU&XVWRPHU8VH2QO\
&86720(5127,&(
/,1($57(&+12/2*<+$60$'($%(67())25772'(6,*1$
&,5&8,77+$70((76&86720(56833/,('63(&,),&$7,216
+2:(9(5,75(0$,167+(&86720(565(63216,%,/,7<72
9(5,)<3523(5$1'5(/,$%/(23(5$7,21,17+($&78$/
$33/,&$7,21&20321(1768%67,787,21$1'35,17('
&,5&8,7%2$5'/$<2870$<6,*1,),&$17/<$))(&7&,5&8,7
3(5)250$1&(255(/,$%,/,7<&217$&7/,1($5
7(&+12/2*<$33/,&$7,216(1*,1((5,1*)25$66,67$1&(
7+,6&,5&8,7,635235,(7$5<72/,1($57(&+12/2*<$1'
6&+(0$7,&
6833/,(')2586(:,7+/,1($57(&+12/2*<3$576
6&$/( 121(
ZZZOLQHDUFRP
T
hur
sday
, M
a
y
13,
2010
HI
G
H
EFFI
CI
ENCY ULTRA-
LO
W
VI
N 15A
0,
-())=
1$
LTM
4611EV
DEM
O
CIRCUIT
1588A
STEP-
D
O
W
N PO
W
E
R MO
DULE
R
6,=(
'$7(
,&12
5(9
6+((7
2)
7,7/(
$33529$/6
3&%'(6
$33(1*
T
E
CHNO
LO
G
Y
)D[
0LOSLWDV&$ 3KRQH
0F&DUWK\%OYG
/7&&RQILGHQWLDO)RU&XVWRPHU8VH2QO\
&86720(5127,&(
/,1($57(&+12/2*<+$60$'($%(67())25772'(6,*1$
&,5&8,77+$70((76&86720(56833/,('63(&,),&$7,216
+2:(9(5,75(0$,167+(&86720(565(63216,%,/,7<72
9(5,)<3523(5$1'5(/,$%/(23(5$7,21,17+($&78$/
$33/,&$7,21&20321(1768%67,787,21$1'35,17('
&,5&8,7%2$5'/$<2870$<6,*1,),&$17/<$))(&7&,5&8,7
3(5)250$1&(255(/,$%,/,7<&217$&7/,1($5
7(&+12/2*<$33/,&$7,216(1*,1((5,1*)25$66,67$1&(
7+,6&,5&8,7,635235,(7$5<72/,1($57(&+12/2*<$1'
6&+(0$7,&
6833/,(')2586(:,7+/,1($57(&+12/2*<3$576
6&$/( 121(
ZZZOLQHDUFRP
T
hur
sday
, M
a
y
13,
2010
HI
G
H
EFFI
CI
ENCY ULTRA-
LO
W
VI
N 15A
0,
-())=
1$
LTM
4611EV
DEM
O
CIRCUIT
1588A
STEP-
D
O
W
N PO
W
E
R MO
DULE
R
R
1
7
60.4K
R
1
7
60.4K
J5J5
1
2
3
4
5
CO2
100uF
6.
3V
CO2
100uF
6.
3V
C3
4.7uF
C3
4.7uF
+
CI
N1
120uF
+
CI
N1
120uF
1
2
CI
N2
OP
T
16V
CI
N2
OP
T
16V
CO5
OP
T
CO5
OP
T
C7
0.1uF
C7
0.1uF
R7
1%
19.1K
R7
1%
19.1K
TP
1
4
TP
1
4
C4
OP
T
C4
OP
T
U1
LT
M
4611E
V
U1
LT
M
4611E
V
VIN
A1
VIN
A2
VIN
A3
VIN
A4
VIN
A5
VIN
A6
VIN
B1
VIN
B2
VIN
B3
VIN
B4
VIN
B5
VIN
B6
VIN
C1
VIN
C2
VIN
C3
VO
SN
S+
J1
2
VO
SN
S-
M1
2
SG
N
D
H1
1
SG
N
D
H1
2
PGN
D
B7
PGN
D
B9
PGN
D
C7
PGN
D
C9
PGN
D
D1
PGN
D
D2
PGN
D
D3
PGN
D
D4
PGN
D
D5
PGN
D
D6
PGN
D
E1
PGN
D
E2
PGN
D
E3
PGN
D
E4
PGN
D
E5
PGN
D
E6
PGN
D
E7
PGN
D
F1
PGN
D
F2
PGN
D
F3
PGN
D
F4
PGN
D
F5
PGN
D
F6
PGN
D
F7
PGN
D
F9
PGN
D
G1
PGN
D
G2
PGN
D
G3
PGN
D
G4
PGN
D
G5
PGN
D
G6
PGN
D
G7
PGN
D
F8
PGN
D
G8
PGN
D
G9
PGN
D
H1
PGN
D
H2
PGN
D
H7
PGN
D
H6
RUN
A1
0
T
R
AC
K/SS
A9
M
O
D
E
/P
LLI
N
A8
PGN
D
H8
SG
N
D
G11
VO
U
T
L10
VO
U
T
L9
VO
U
T
L7
VO
U
T
L6
VO
U
T
L5
VO
U
T
L4
VO
U
T
L3
VO
U
T
L2
VO
U
T
L1
VOU
T
K11
VOU
T
K10
VOU
T
K9
VOU
T
K8
VOU
T
K7
VOU
T
K6
VOU
T
K5
VOU
T
K4
VOU
T
K3
VOU
T
K2
VOU
T
K1
VOU
T
J10
VOU
T
J9
VOU
T
J8
VOU
T
J7
VOU
T
J6
VOU
T
J5
VOU
T
J4
VOU
T
J3
VOU
T
J2
VIN
C6
VIN
C5
VIN
C4
VOU
T
J1
INT
V
CC
A7
INT
V
CC
D9
F
SET
B1
2
CO
M
P
A1
1
DIF
F
_
V
O
UT
K1
2
V
O
U
T
_LC
L
L12
VF
B
F1
2
VO
U
T
L11
VO
U
T
M1
VO
U
T
M2
VO
U
T
M3
VO
U
T
M4
VO
U
T
M5
VO
U
T
M6
VO
U
T
M7
VO
U
T
M8
VO
U
T
M9
VO
U
T
M1
0
VO
U
T
M1
1
PGN
D
H9
PGN
D
H3
PGN
D
H4
PGN
D
H5
VO
U
T
L8
PG
O
O
D
F1
1
PG
O
O
D
G12
MTP
1
A1
2
MTP
2
B1
1
PGN
D
D8
PGN
D
E9
MTP
3
C1
0
MTP
4
C1
1
MTP
5
C1
2
MTP
6
D1
0
MTP
7
D1
1
MTP
8
D1
2
MTP
9
E1
2
CO6
100uF 6.
3V
CO6
100uF 6.
3V
C8
OP
T
C8
OP
T
CO3
100uF
6.
3V
CO3
100uF
6.
3V
JP
2
JP
2
1
2
3
4
5
6
7
8
TP
2
TP
2
R2
2
0
R2
2
0
C1
OP
T
C1
OP
T
JP
4
JP
4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TP
4
TP
4
R1
8
OP
T
R1
8
OP
T
JP
3
JP
3
TP
1
7
TP
1
7
TP
1
TP
1
R2
1%
243K
R2
1%
243K
Q1
SUD5
0
N
0
3
-0
9
P-E3
Q1
SUD5
0
N
0
3
-0
9
P-E3
J6J6
1
2
3
4
5
R3
1%
121K
R3
1%
121K
R1
0
10
R1
0
10
CO4
100uF
6.
3V
CO4
100uF
6.
3V
J1J1
RS1
0.015
1%
RS1
0.015
1%
TP
3
TP
3
C6
OP
T
C6
OP
T
D1
OP
T
D1
OP
T
R1
2
10k
R1
2
10k
R1
9
100K
R1
9
100K
J2J2
R2
1
OP
T
R2
1
OP
T
CI
N3
47uF
16V
CI
N3
47uF
16V
R1
5
OP
T
R1
5
OP
T
CI
N4
47uF
16V
CI
N4
47uF
16V
R1
1
10k
R1
1
10k
R6
1%
28.7K
R6
1%
28.7K
R9
10
R9
10
TP
5
TP
5
TP
7
TP
7
R5
1%
48.7K
R5
1%
48.7K
R4
1%
69.8K
R4
1%
69.8K
R1
3
OP
T
R1
3
OP
T
R1
OP
T
R1
OP
T
C2
47pF
C2
47pF
JP
1
JP
1
J3J3
TP
1
3
TP
1
3
+
CO1
OP
T
+
CO1
OP
T
1
2
C5
10nF
C5
10nF
R2
3
OP
T
R2
3
OP
T
J4J4
TP
8
TP
8
R1
4
OP
T
R1
4
OP
T