DC948A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
---
DESCRIPTION
D
E19
GND
E13
MASTER
E14
GND
G
!
D
D
S
RG01
10
G
Q1
IRF7413Z
E5
SUPPLY1
3.3V@3Amax
D
E7
SENSE1
APPROVED
Vlad Ostrerov
S
QS0
E15
SENSE0
DATE
0
Q0
IRF7413Z
E12
SUPPLY0
5V@3Amax
D
REV
RG02
10
E2
SLAVE1
S
E4
GND
G
E1
GND
RG1
10
Q2
IRF7413Z
E9
SUPPLY2
2.5V@3Amax
D
E10
SENSE2
E6
SLAVE2
S
E8
GND
G
E3
GND
RG2
10
C
VCC
C
CMGATE
0.1uF
16V
E18
VCC
JP1
VCC
1
ON
11
2
RSGATE
3
OFF
JP2
RAMP
MASTER
VCC
1
E20
EXTERNAL
D1
D2
19
VCC
9
3
RAMP
SGATE1
14
SGATE2
U1
LTC2926CUFD
S1
2
S2
15
C1
0.1uF
2
EXTERNAL
4
13
10
MGATE
RFB1
63.4K
1%
3
18
VCC
RAMPBUF
FB1
1
RFA1
16.2K
1%
RTB1
42.2K
1%
B
RTB2
28.7K
1%
D1
ORANGE
FAULT
20
FB2
TRACK2
16
RTA2
5.62K
1%
E16
RFA2
16.2K
1%
7
FAULT
VCC
RFB2
43.2K
1%
17
R1
680
B
TRACK1
RTA1
10.2K
1%
D2
RED
STATUS
FAULT
R2
680
E11
ON/OFF
5
RON
10K
STATUS/PGI
ON
GND
GND
8
21
E17
STATUS
12
PGTMR
6
CPGTMR
2.2uF
10V
A
A
APPROVALS
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.
5
4
3
DRAWN: Rudy Bautista
ENGINEER: Vlad Ostrerov
1630 McCARTHY BLVD
www.linear.com
MILPITAS, CA. 95035
LTC Confidential (408)432-1900
(408)434-0507 (FAX) For Customer Use Only
Title
APPROVED:
Size
CHECKED:
948A_Rev1.PCB
2
948A_Rev1.DSN
LTC2926CFD, MOSFET Controlled Power Supply Tracker
Document Number
Rev
Demo Circuit 948A
Date:
Sheet
1
1
of
1
1