LTC2918IDDB-A1#TRMPBF

LTC2917/LTC2918
13
29178fb
TYPICAL APPLICATIONS
1V Supply Monitor with Windowed Watchdog Timeout
and Internal Timers Selected
12V Supply Monitor with 20ms Reset Timeout and 3.4s
Watchdog Timeout, with 3.3V Logic Out
9V, –15% Tolerance Supply Monitor ith 1.8V Logic Out
3.3V
3.3V
1V
C
BYPASS
0.1μF
R
PU
10k
29178 TA02
VM
SEL1 GND
SEL2
GND RTWT
TOL
V
CC
V
CC
LTC2917-B μP
RST
RST
WDI I/O
t
WDU
= 1.6s
t
WDL
= 50ms
t
RST
= 200ms
3.3V
12V
C
BYPASS
0.1μF
R
PU
10k
29178 TA03
VM
SEL1 GND
SEL2
GND RTWT
TOL
V
CC
V
CC
LTC2917-A μP
RST
RST
WDI I/O
C
WT
0.047μF
C
RT
0.0022μF
1.8V
9V
C
BYPASS
0.1μF
R
PU
10k
29178 TA04
VM
SEL1 GND
SEL2
TOL
V
CC
V
CC
LTC2917-A μP
RST
RST
WDI I/O
GND
R2
866k
R1
51.1k
C
RT
RT
C
WT
WT
LTC2917/LTC2918
14
29178fb
TYPICAL APPLICATIONS
3.3V, –10% Tolerance Supply Monitor
with Disabled Watchdog 1.8V, –5% Supply Monitor with Manual Reset
1.5V Supply Monitor with Tolerance Control for Margining,
–5% Operation with –15% Margining
3.3V
C
BYPASS
0.1μF
R
PU
10k
29178 TA06
VM
SEL1 GND
SEL2
TOL
V
CC
V
CC
LTC2917 μP
RST
WDI
RST
GND RTWT
C
RT
1.8V
C
BYPASS
0.1μ F
R
PU
10k
29178 TA07
VM
SEL1 GND
SEL2
MR
RT
V
CC
V
CC
LTC2918 μP
RST
RST
WDI I/O
GND
10k*
*OPTIONAL RESISTOR RECOMMENDED TO EXTEND ESD TOLERANCE
C
RT
MANUAL RESET
PUSHBUTTON
WT
C
WT
3.3V
1.5V
C
BYPASS
0.1μF
R
PU
10k
29178 TA08
VM
SEL1
GNDSEL2
RT
V
CC
V
CC
LTC2917 μP
RST
RST
WDI I/O
TOL I/O
GND
C
RT
WT
C
WT
–5%–15%
LTC2917/LTC2918
15
29178fb
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.
PACKAGE DESCRIPTION
2.00 p0.10
(2 SIDES)
NOTE:
1. DRAWING CONFORMS TO VERSION (WECD-1) IN JEDEC PACKAGE OUTLINE M0-229
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE TOP AND BOTTOM OF PACKAGE
0.40 p0.10
BOTTOM VIEW—EXPOSED PAD
0.64 p 0.05
(2 SIDES)
0.75 p0.05
R = 0.115
TYP
R = 0.05
TYP
2.39 p0.05
(2 SIDES)
3.00 p0.10
(2 SIDES)
15
106
PIN 1 BAR
TOP MARK
(SEE NOTE 6)
0.200 REF
0 – 0.05
(DDB10) DFN 0905 REV Ø
0.25 p0.05
2.39 p0.05
(2 SIDES)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
0.64 p0.05
(2 SIDES)
1.15 p0.05
0.70 p0.05
2.55 p0.05
PACKAGE
OUTLINE
0.25 p 0.05
0.50 BSC
PIN 1
R = 0.20 OR
0.25s45°
CHAMFER
0.50 BSC
MSOP (MS) 0307 REV E
0.53 p 0.152
(.021 p .006)
SEATING
PLANE
0.18
(.007)
1.10
(.043)
MAX
0.17 –0.27
(.007 – .011)
TYP
0.86
(.034)
REF
0.50
(.0197)
BSC
12
3
45
4.90 p 0.152
(.193 p .006)
0.497 p 0.076
(.0196 p .003)
REF
8910
7
6
3.00 p 0.102
(.118 p .004)
(NOTE 3)
3.00 p 0.102
(.118 p .004)
(NOTE 4)
NOTE:
1. DIMENSIONS IN MILLIMETER/(INCH)
2. DRAWING NOT TO SCALE
3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS.
MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX
0.254
(.010)
0° – 6° TYP
DETAIL “A”
DETAIL “A”
GAUGE PLANE
5.23
(.206)
MIN
3.20 – 3.45
(.126 – .136)
0.889 p 0.127
(.035
p .005)
RECOMMENDED SOLDER PAD LAYOUT
0.305
p 0.038
(.0120
p .0015)
TYP
0.50
(.0197)
BSC
0.1016 p 0.0508
(.004 p .002)
MS Package
10-Lead Plastic MSOP
(Reference LTC DWG # 05-08-1661)
DDB Package
10-Lead Plastic DFN (3mm × 2mm)
(Reference LTC DWG # 05-08-1722 Rev Ø)

LTC2918IDDB-A1#TRMPBF

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Supervisory Circuits Single supervisor with 9 Selectable Thresholds, Watchdog, and Manual Reset
Lifecycle:
New from this manufacturer.
Delivery:
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Payment:
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