Datasheet

LTC2928
31
2928f
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 representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
TYPICAL APPLICATIO
U
EN1
I/O
CORE
RST
SD1
DSP
LTC2928
EN2
EN3
EN4
RT1
3.4k
R4B
52.3k
R2B
18.2k
2.5V
1.8V
3.3V
RP1
10k
10k
3.3VN4
N3
1.5V
R3B
23.7k
R1B
36.5k
BAT85
3.32k 10k
R4A
10k
R3A
10k
R2A
10k
R1A
10k
10k
3300pF
0.1
F
0.047
F
3.4k
24.3k
15k
1k
1k
0.1
F
V
CC
V
CC
3.3V
1k
1k
RT2
RT3
RT4
CMP1
CMP2
CMP3
CMP4
V
CC
C
RTMR
C
PTMR
C
STMR
SQT2
SYSTEM
CONTROLLER
SQT1
CAS
RDIS
N3, N4: IRL3714S
ALL RESISTORS 1%
ON
V1
V2
V3
V4
HV
CC
MS1
MS2
VSEL
GND
RTMR
PTMR
STMR
REF
OVA
DONE
FLT
OV
RST
I/O
CORE
RST
FPGA
2928 TA01
V
IN
V
OUT
SHDN
DC/DC
V
IN
V
OUT
SHDN
DC/DC
V
IN
V
OUT
SHDN
DC/DC
RT1
RT2
RT3
RT4
Figure 20. LTC2928 Design Example