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LT8650SPJVPBF bảng dữ liệu(PDF) 4 Page - Analog Devices

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LT8650SPJVPBF bảng dữ liệu(HTML) 4 Page - Analog Devices

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LT8650SP
4
Rev. B
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
5VOUT Efficiency
5VOUT Efficiency
EFFICIENCY
POWER LOSS
L = XFL5030, 1.0µH
12V
24V
36V
fSW = 2MHz
FCM
LOAD CURRENT (A)
0
1
2
3
4
5
6
40
45
50
55
60
65
70
75
80
85
90
95
100
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
8650sp G01
FCM
BURST
L = XFL5030, 1.0µH
12V
24V
36V
LOAD CURRENT (mA)
0.1
1
10
100
1k
10k
0
10
20
30
40
50
60
70
80
90
100
fSW = 2MHz
8650sp G02
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Error Amplifier Transconductance
VC = 1.25V
0.9
mS
VC Source Current
VFB = 0.6V, VVC = 1.25V
85
µA
VC Sink Current
VFB = 1.0V, VVC = 1.25V
85
µA
VC Pin to Switch Current Gain
12
A/V
TEMP Output Voltage
ITEMP = 0µA, Temperature = 25°C
ITEMP = 0µA, Temperature = 150°C
250
1440
mV
mV
ELECTRICAL CHARACTERISTICS
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 LT8650SPJ is guaranteed over the full –40°C to 150°C
operating junction temperature range. High junction temperatures degrade
operating lifetimes. Operating lifetime is derated at junction temperatures
greater than 125°C. The junction temperature (TJ, in °C) is calculated from
the ambient temperature (TA in °C) and power dissipation (PD, in Watts)
according to the formula:
TJ = TA + (PD • JA) where JA (in °C/W) is the package thermal
impedance.
Note 3: This IC includes overtemperature protection that is intended to
protect the device during overload conditions. Junction temperature will
exceed 150°C when overtemperature protection is active. Continuous
operation above the specified maximum operating junction temperature
will reduce lifetime.
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C.



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