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Linear Technology Electronic Components Datasheet

LTC2916 Datasheet

Voltage Supervisor

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FEATURES
n 9 Selectable Supply Voltages
12V, 5V, 3.3V, 2.5V, 1.8V
1.5V, 1.2V, 1.0V, +ADJ (0.5V)
n 3 Selectable Tolerances
–5%, –10%, –15% (LTC2915)
n Manual Reset Input (LTC2916)
n 1.5V to 5.5V Supply Operation
wwwn.Da6t.a2SVheSeht4uUn.ct oRmegulator for High Voltage Operation
n Guaranteed Operation to 125˚C
n Guaranteed Threshold Accuracy: ±1.5%
n Low Quiescent Current: 30μA Typical
n Power Supply Glitch Immunity
n Guaranteed RST for VCC ≥ 0.8V
n Low Profile (1mm) 8-Lead TSOT-23 (ThinSOTTM) and
(3mm × 2mm) DFN Packages
APPLICATIONS
n Handheld Devices
n Cell Phone Base Stations
n Automotive Control Systems
n Network Servers
n Optical Networking Systems
LTC2915/LTC2916
Voltage Supervisor with
27 Selectable Thresholds
DESCRIPTION
The LTC®2915/LTC2916 are low voltage single-supply
monitors with selectable thresholds. The parts operate
from 1.5V to 5.5V and consume a quiescent current of
only 30μA.
Two three-state inputs select one of nine internally pro-
grammed thresholds without the need for external resistors.
For the LTC2915, an additional three-state input determines
the tolerance (–5%, –10%, –15%). The tolerance for the
LTC2916 is fixed at –5%. Threshold accuracy is guaranteed
at ±1.5% over the entire operating temperature range.
Glitch filtering ensures reliable reset operation without
false triggering.
The reset timeout may be set to 200ms or adjusted using
an external capacitor. A separate manual reset input on the
LTC2916 allows a simple push button interface.
Operation to 125°C makes the LTC2915 and LTC2916
suitable for automotive applications.
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
TYPICAL APPLICATION
1.8V, –5% Tolerance Supply Monitor
1.8V
0.1μF
VCC
LTC2916
VM RST
RT SEL1
SEL2
MR
GND
10k
tRST = 200ms
VCC
μP
RESET
29156 TA01
Monitor Selection Table
NOMINAL VOLTAGE
12V
5V
3.3V
2.5V
1.8V
1.5V
1.2V
1V
ADJ (0.5V)
SEL1
VCC
VCC
VCC
Open
Open
Open
GND
GND
GND
SEL2
VCC
Open
GND
VCC
Open
GND
VCC
Open
GND
29156fa
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Linear Technology Electronic Components Datasheet

LTC2916 Datasheet

Voltage Supervisor

No Preview Available !

LTC2915/LTC2916
ABSOLUTE MAXIMUM RATINGS (Notes 1, 2)
Terminal Voltages
VCC (Note 3).......................................... –0.3V to 5.7V
SEL1, SEL2, TOL, MR, RST .................. –0.3V to 7.5V
VM ......................................................... –0.3V to 15V
RT .............................................–0.3V to (VCC + 0.3)V
Terminal Currents
VCC (Note 3).......................................................±5mA
Operating Temperature Range
LTC2915C/LTC2916C ............................... 0°C to 70°C
LTC2915I/LTC2916I.............................. –40°C to 85°C
LTC2915H/LTC2916H......................... –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
TS8 Lead Temperature (Soldering, 10 sec) ........... 300°C
PIN CONFIGURATION
www.DataSheet4U.com
TOP VIEW
VM 1
SEL1 2
TOL/MR 3
GND 4
8 VCC
7 SEL2
6 RT
5 RST
TS8 PACKAGE
8-LEAD PLASTIC TSOT-23
TOL FOR LTC2915
MR FOR LTC2916
TJMAX = 150°C, θJA = 250°C/W
TOP VIEW
GND 1
8 RST
TOL/MR 2
7 RT
9
SEL1 3
6 SEL2
VM 4
5 VCC
DDB PACKAGE
8-LEAD (3mm s 2mm) PLASTIC DFN
TOL FOR LTC2915
MR FOR LTC2916
TJMAX = 150°C, θJA = 76°C/W
EXPOSED PAD (PIN 9) PCB GND CONNECTION OPTIONAL
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2915CTS8-1#PBF
LTC2915ITS8-1#PBF
LTC2915HTS8-1#PBF
LTC2915CDDB-1#PBF
LTC2915IDDB-1#PBF
LTC2915HDDB-1#PBF
LTC2915CTS8-1#TRPBF
LTC2915ITS8-1#TRPBF
LTC2915HTS8-1#TRPBF
LTC2915CDDB-1#TRPBF
LTC2915IDDB-1#TRPBF
LTC2915HDDB-1#TRPBF
LTCVQ
LTCVQ
LTCVQ
LCVR
LCVR
LCVR
8-Lead TSOT-23
8-Lead TSOT-23
8-Lead TSOT-23
8-Lead (3mm × 2mm) Plastic DFN
8-Lead (3mm × 2mm) Plastic DFN
8-Lead (3mm × 2mm) Plastic DFN
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2916CTS8-1#PBF
LTC2916ITS8-1#PBF
LTC2916HTS8-1#PBF
LTC2916CDDB-1#PBF
LTC2916IDDB-1#PBF
LTC2916HDDB-1#PBF
LTC2916CTS8-1#TRPBF
LTC2916ITS8-1#TRPBF
LTC2916HTS8-1#TRPBF
LTC2916CDDB-1#TRPBF
LTC2916IDDB-1#TRPBF
LTC2916HDDB-1#TRPBF
LTDCW
LTDCW
LTDCW
LDCX
LDCX
LDCX
8-Lead TSOT-23
8-Lead TSOT-23
8-Lead TSOT-23
8-Lead (3mm × 2mm) Plastic DFN
8-Lead (3mm × 2mm) Plastic DFN
8-Lead (3mm × 2mm) Plastic DFN
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
29156fa
2


Part Number LTC2916
Description Voltage Supervisor
Maker Linear Technology
PDF Download

LTC2916 Datasheet PDF






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