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Linear Technology Electronic Components Datasheet

LTC2913 Datasheet

Dual UV/OV Voltage Monitor

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FEATURES
n Monitors Two Voltages Simultaneously
n Adjustable UV and OV Trip Values
n Guaranteed Threshold Accuracy: ±1.5%
n Input Glitch Rejection
n Adjustable Reset Timeout with Disable
n 44μA Quiescent Current
n Open-Drain OV and UV Outputs
n Guaranteed OV and UV for VCC ≥ 1V
n Available in 10-Lead MSOP and (3mm × 3mm)
DFN Packages
APPLICATIONS
n Desktop and Notebook Computers
n Network Servers
n Core, I/O Voltage Monitors
LTC2913
Dual UV/OV
Voltage Monitor
DESCRIPTION
The LTC®2913 is a dual input voltage monitor intended for
multiple voltages in a variety of applications. Dual inputs for
each voltage allow monitoring two separate undervoltage
(UV) conditions and two separate overvoltage (OV)
conditions. All monitors share a common undervoltage
output and a common overvoltage output. The LTC2913-1
has latching capability for the overvoltage output. The
LTC2913-2 has functionality to disable both the overvoltage
and undervoltage outputs.
Glitch filtering ensures reliable reset operation without
false or noisy triggering.
The LTC2913 provides a precise, versatile, space-con-
scious, micropower solution for voltage monitoring.
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
TYPICAL APPLICATION
Dual OV/UV Supply Monitor
5V
POWER
SUPPLIES
3.3V
0.1μF
44.2k
1k
4.53k
27.4k
1k
4.53k
VCC
VH1
LTC2913-1
VL1 OV
VH2 UV
SYSTEM
VL2
GND
LATCH
TMR
22nF
2913 TA01a
TIMEOUT = 200ms
Typical Transient Duration
vs Comparator Overdrive
700
600
500
RESET OCCURS
ABOVE CURVE
400
300
200
100
VCC = 2.3V
0
0.1 1
VCC = 6V
10
100
COMPARATOR OVERDRIVE PAST THRESHOLD (%)
2913 TA01b
2913fb
1


Linear Technology Electronic Components Datasheet

LTC2913 Datasheet

Dual UV/OV Voltage Monitor

No Preview Available !

LTC2913
ABSOLUTE MAXIMUM RATINGS (Notes 1, 2)
Terminal Voltages
VCC (Note 3)............................................. –0.3V to 6V
OV, UV ................................................... –0.3V to 16V
TMR..........................................–0.3V to (VCC + 0.3V)
VHn, VLn, LATCH, DIS .......................... –0.3V to 7.5V
Terminal Currents
IVCC ..................................................................+10mA
IUV, IOV...............................................................10mA
Operating Temperature Range
LTC2913C ................................................ 0°C to 70°C
LTC2913I.............................................. –40°C to 85°C
LTC2913H .......................................... –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MSOP ............................................................... 300°C
PACKAGE/ORDER INFORMATION
VH1 1
VL1 2
VH2 3
VL2 4
GND 5
TOP VIEW
10 VCC
9 TMR
8 LATCH
7 UV
6 OV
MS PACKAGE
10-LEAD PLASTIC MSOP
TJMAX = 150°C, θJA = 120°C/W
ORDER PART NUMBER
LTC2913CMS-1
LTC2913IMS-1
LTC2913HMS-1
MS PART MARKING*
LTCKK
LTCKK
LTCKK
VH1 1
VL1 2
VH2 3
VL2 4
GND 5
TOP VIEW
10 VCC
9 TMR
8 DIS
7 UV
6 OV
MS PACKAGE
10-LEAD PLASTIC MSOP
TJMAX = 150°C, θJA = 120°C/W
ORDER PART NUMBER MS PART MARKING*
LTC2913CMS-2
LTC2913IMS-2
LTC2913HMS-2
LTCKM
LTCKM
LTCKM
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
*The temperature grade is identified by a label on the shipping container.
2
TOP VIEW
VH1 1
VL1 2
VH2 3
VL2 4
GND 5
10 VCC
9 TMR
11 8 LATCH
7 UV
6 OV
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
TJMAX = 150°C, θJA = 43°C/W
EXPOSED PAD (PIN 11) PCB GND CONNECTION OPTIONAL
ORDER PART NUMBER DD PART MARKING*
LTC2913CDD-1
LTC2913IDD-1
LTC2913HDD-1
LCKN
LCKN
LCKN
TOP VIEW
VH1 1
VL1 2
10 VCC
9 TMR
VH2 3 11 8 DIS
VL2 4
7 UV
GND 5
6 OV
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
TJMAX = 150°C, θJA = 43°C/W
EXPOSED PAD (PIN 11) PCB GND CONNECTION OPTIONAL
ORDER PART NUMBER DD PART MARKING*
LTC2913CDD-2
LTC2913IDD-2
LTC2913HDD-2
LCKP
LCKP
LCKP
2913fb


Part Number LTC2913
Description Dual UV/OV Voltage Monitor
Maker Linear Technology
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LTC2913 Datasheet PDF






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