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LTC1553 Datasheet(PDF) 8 Page - Linear Technology

Part # LTC1553
Description  5-Bit Programmable Synchronous Switching Regulator Controller
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1553 Datasheet(HTML) 8 Page - Linear Technology

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8
LTC1553
TEST CIRCUITS
Figure 4
VCC
5V
PVCC
12V
0.1
µF
10
µF
G2 RISE/FALL
G1 RISE/FALL
5000pF
5000pF
SGND
GND
SENSE
10
µF
G2
G1
0.1
µF
VCC
IFB
LTC1553
PVCC
1553 F04
90%
tr
tf
tNOL
tNOL
50%
10%
50%
50%
90%
50%
10%
+
+
10k
OUTEN
PWRGD
FAULT
OT
COMP
SS
SGND
GND
SENSE
10
µF
NC
NC
NC
NC
NC
NC
NC
NC
0.1
µF
VCC
VCC
VCC
VID0 VID1 VID2 VID3 VID4
VID0 VID1 VID2 VID3 VID4
IFB
PVCC
LTC1553
PVCC
G1
IMAX
G2
1553 F03
0.1
µF
10
µF
+
+
10k
Figure 3
OUTEN
PWRGD
FAULT
OT
VID0 TO VID4
COMP
SS
SGND
GND
SENSE
Q1*
NC
Q2*
VCC
IFB
PVCC
12V
VCC
5V
PVCC
VIN
5V
LO
2
µH
15A
LTC1553
G1
IMAX
G2
0.1
µF
1553 F02
CC
0.01
µF
RC
8.2k
3k
100pF
0.1
µF
0.1
µF
0.1
µF
10
µF
10
µF
VOUT
+
C1
150pF
10k
3k
3k
+
+
VID0 TO VID4
100pF
100pF
+
CIN**
1200
µF
× 4
*SILICONIX SUD50N03-10
**SANYO 10MV1200GX
COILTRONICS CTX02-13198 OR
PANASONIC 12TS-2R5SP
†† AVX TPSE337M006R0100
COUT††
330
µF
× 7
Figure 2



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