LTM8046Y 데이터 시트보기 (PDF) - Linear Technology
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LTM8046Y Datasheet PDF : 20 Pages
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LTM8046
Electrical Characteristics The l denotes the specifications which apply over the full internal
operating temperature range, otherwise specifications are at TA = 25°C, RUN = 12V (Note 3).
PARAMETER
CONDITIONS
MIN TYP MAX
Minimum Input DC Voltage
BIAS = VIN, VRUN = 2V
BIAS Open, VRUN = 2V
l
3.1
l
4.3
VOUT DC Voltage
VIN Quiescent Current
VOUT Line Regulation
VOUT Load Regulation
VOUT Ripple (RMS)
Isolation Test Voltage
RFB = 14.7k
RFB = 8.45k
RFB = 3.83k
VRUN = 0V
6V ≤ VIN ≤ 31V, IOUT = 0.15A, VRUN = 2V
0.05A ≤ IOUT ≤ 0.4A, VRUN = 2V
IOUT = 0.1A, BW = 1MHz
(Note 2)
2.5
l 4.75
5
5.25
12
1
1
1.5
20
3000
Input Short Circuit Current
RUN Pin Input Threshold
VOUT Shorted
VRUN Pin Rising
30
1.18 1.24 1.30
RUN Pin Current
VRUN = 1V
2.5
VRUN = 1.3V
0.1
SS Threshold
0.7
SS Sourcing Current
SS = 0V
–8
BIAS Current
Minimum BIAS Voltage (Note 4)
VIN = 12V, BIAS = 5V, IOUT = 100mA
IOUT = 100mA
10
3.1
UNITS
V
V
V
V
V
µA
%
%
mV
VDC
mA
V
µA
µA
V
µA
mA
V
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTM8046 isolation is tested at 3kVDC for one second.
Note 3: The LTM8046E is guaranteed to meet performance specifications
from 0°C to 125°C. Specifications over the –40°C to 125°C internal
temperature range are assured by design, characterization and correlation
with statistical process controls. LTM8046I is guaranteed to meet
specifications over the full –40°C to 125°C internal operating temperature
range. The LTM8046MP is guaranteed to meet specifications over the
full –55°C to 125°C internal operating temperature range. Note that
the maximum internal temperature is determined by specific operating
conditions in conjunction with board layout, the rated package thermal
resistance and other environmental factors.
Note 4: This is the BIAS pin voltage at which the internal circuitry is
powered through the BIAS pin and not the integrated regulator. See BIAS
Pin Considerations for details.
Note 5: VIN + 2VOUT is defined as the sum of the voltage between (VIN –
GND) added to twice the voltage between (VOUT – VOUT–).
For more information www.linear.com/LTM8046
8046fb
3
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