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10
LVM Series
Current Sensing Metal Chip Resistor
Rated Cont.
Working Volts
√(P*R) or Max. Operating
voltage whichever is
lower
Derating
100% @ 70°C, Derates
Linearly to Zero @ 155°C
(170°C for LVM25)
Operating
temp. range
-55°C ~ +155°C
(LVM25, -55°C ~ +170°C)
Storage
Temperature
25° ±3°C C; Humidity
< 80%RH
Power Resistance TCR
Series Rating Range* ppm/°C Tolerance
LVM06 0.125W 10m-19m 100 ±1% ±2% ±5%
20m- 100m 50, 100
LVM12 0.5W 10m-19m 100 ±1% ±2% ±5%
20m- 100m 50, 100
LVM25 1.0W 7m-100m 75 ±0.5% ±1% ±5%
15m- 100m 50
APPLICATIONS
•PowerManagementApplications
•SwitchingPowerSupply
•OverCurrentProtectioninAudio
Applications
•VoltageRegulationModule(VRM)
•DC-DCConverter,BatteryPack,
Charger,Adaptor
SERIES SPECIFICATIONS
CHARACTERISTICS
100
Percent Rated Power
Ambient
LVM25
LVM06
LVM12
Temperature, °C
60
20
0
80
40
20 60 180400 80 140 160100 120
Derating
PERFORMANCE DATA
Item Requiremen Test Method
TCR
As Spec. JIS-C-5201-1 4.8, IEC-60115-1 4.8,
-55°C~+125°C, 25°C is the reference temperature
Short Time
Overload
±(0.5%+0.05Ω) JIS-C-5201-1 4.13, IEC-60115-1 4.13, 5 X Rated
Power for 5 seconds
Insulation
Resistance
≥10G
(100M for LVM25)
JIS-C-5201-1 4.6, IEC-60115-1 4.6, Max. Overload
voltage for 1 minute
Endurance
±(1.0%+0.05Ω) JIS-C-5201-1 4.25, IEC-60115-1 4.25.1, 70±2°C,
RCWV for 1000 hrs with 1.5 hrs “ON” and 0.5 hrs
“OFF”
Damp Heat
with Load
±(1.0%+0.05Ω)
(LVM06 & 12 only)
JIS-C-5201-1 4.24, 40±2°C, 90~95% R.H., RCWV
for 1000 hrs with 1.5 hrs “ON” and 0.5 hrs “OFF”
Dry Heat
±(0.5%+0.05Ω)
(1% for LVM25)
JIS-C-5201-1 4.23, IEC-60115-1 2.23.2, at +155°C
for 1000 hrs
Bending
Strength
±(1.0%+0.05Ω) JIS-C-5201-1 4.33, IEC-60115-1 4.33, Bending
once for 5 seconds with 3mm, 2010, 2512 sizes:
2mm
Solderability
95% min. coverage JIS-C-5201-1 4.17, IEC-60115-1 4.17, 245±5°C
for 3 seconds
Resistance
to Soldering
Heat
±(0.5%+0.05Ω)
(LVM06 & 12 only)
JIS-C-5201-1 4.18, IEC-60115-1 4.18, 260±5°C
for 10 seconds
Voltage Proof
No breakdown or
flashover
(LVM06 & 12 only)
JIS-C-5201-1 4.7, IEC-60115-1 4.7, 1.42 times
Max. Operating Voltage for 1 minute
Leaching
Individual leach-
ing area ≤5%, Total
leaching area ≤10%
(LVM06 & 12 only)
JIS-C-5201-1 4.18, IEC-60068-2-58 8.2.1,
260±5°C for 30 seconds
Rapid Change
of Temp.
±(0.5%+0.05Ω)
1% for LVM25
JIS-C-5201-1 4.18, IEC-60115-1 4.18, -55°C to
+155°C, 5 cycles
FEATURES
•SMDTypedesignedforautomaticinser-
tion
•Highoverloadratinginsmallsize(5timesratedwatt-
agefor5seconds)
•Metalfoilconstructionensureshighreliabilityandperformance
withverylowTCRvalues
•Designedforcurrentsensecircuitsinpowerelectronicsystems
•Pb-FreetomeetRoHSrequirements