DC1158A - Schematic

A
4
B
C
D
E
REVISION HISTORY
This circuit is proprietary to Linear Technology and supplied
for use with Linear Technology parts.
Customer Notice: Linear Technology has made a best effort to
design a circuit that meets customer-supplied specifications;
however, it remains the customers responsibility to verify proper
and reliable operation in the actual application, Component
substitution and printed circuit board layout may significantly
affect circuit performance or reliability. Contact Linear
Applications Engineering for assistance.
ECO
REV
DESCRIPTION
0
1st PROTOTYPE
DATE
APPROVED
<DATE>
<APPROVED>
4
U1
LTC3564ES5
E1
VIN
2.5V - 5.5V
L1
3
+
E2
GND
*
CIN1
22uF
CIN
22uF
6.3V
1206
5
E6
GND
3
VIN
SW
RUN
VFB
E3
4
2.2uH
CDRH2D18/HP-2R2NC
Sumida
1
COUT
22uF
6.3V
1206
E4
GND
GND
JP5
2
USER SELECT
RFB1
402K
1%
3
JP2
1
1.2V
2
3
JP3
RSD
1.0M
JP1
GND
(Opt)
CFFW
VOUT
OFF
E5
RFB6
22pF
ON
VOUT
1.25A(max)
COUT1
0.1uF
1.5V
2
RFB2
402K
1%
RFB3
200K
1%
RFB4
200K
1%
2
JP4
1.8V
RFB5
0
*
1
APPROVALS
CIN1 IS AN OPTIONAL CAPACITOR. IT IS INSERTED
ON THE DC1158A TO DAMPEN THE (POSSIBLE)
RINGING VOLTAGE DUE TO THE LONG INPUT LEADS.
ON A NORMAL, TYPICAL PCB, WITH SHORT TRACES,
THE CAPACITOR IS NOT NEEDED.
APPROVED:
1630 McCARTHY BLVD
www.linear.com
MILPITAS, CA. 95035
LTC Confidential (408)432-1900
For Customer Use Only
(408)434-0507 (FAX)
Title: LTC3564ES5
Monolithic Synchronous Buck Regulator
CHECKED:
SD
DRAWN: Rudy Bautista
ENGINEER:
Date:
A
B
C
LINEAR TECHNOLOGY CORPORATION
Tom Gross
Document Number
C:\ORCADWIN\CAPTURE\1158A\1158A_REV1.DSN
Thursday, September 04, 2008
D
Rev
Demo Circuit 1158A
Sheet
E
1
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of
1
1
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