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LM5039 bảng dữ liệu(PDF) 7 Page - Texas Instruments

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tên linh kiện LM5039
Giải thích chi tiết về linh kiện  105V / 2A Half-Bridge Gate Drivers, Synchronous Rectifier Control Outputs with Programmable Delays
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LM5039 bảng dữ liệu(HTML) 7 Page - Texas Instruments

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LM5039
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SNVS621D – FEBRUARY 2010 – REVISED MARCH 2013
Electrical Characteristics (continued)
Specifications with standard typeface are for TJ = 25°C, and those with boldface type apply over full Operating Junction
Temperature range. VVIN = 48V, VVCC = 10V externally applied, RRT = 20.0 kΩ, RDLY = 27.4kΩ, VUVLO = 3V unless otherwise
stated. See
(1) and (2).
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Voltage Feed-Forward (RAMP Pin)
RAMP comparator threshold
COMP current = 0
2.0
2.2
2.4
V
Synchronous Rectifier Drivers (SR1, SR2)
Output high voltage
IOUT = 10mA, VVCC - VSR1, VVCC - VSR2
0.25
0.1
V
Output low voltage
IOUT = 20 mA (sink)
0.07
0.2
V
Rise time
CLOAD = 1 nF
40
ns
Fall time
CLOAD = 1 nF
20
ns
Peak source current
VSR = 0, VVCC = 10V
0.5
A
Peak sink current
VSR = VVCC, VVCC = 10V
0.5
A
T1
Deadtime, SR1 falling to HO rising,
RDLY = 10k
33
ns
SR2 falling to LO rising
RDLY = 27.4k
65
88
118
ns
RDLY = 100k
300
ns
T2
Deadtime, HO falling to SR1 rising,
RDLY = 10k
12
ns
LO falling to SR2 rising
RDLY = 27.4k
20
29
42
ns
RDLY = 100k
80
ns
Thermal Shutdown
TSD
Shutdown temperature
165
°C
Hysteresis
20
°C
Thermal Resistance
θJA
Junction to ambient, 0 LFPM Air Flow
HTSSOP-20 package
40
°C/W
θJC
Junction to Case (EP) Thermal
HTSSOP-20 package
4
°C/W
resistance
θJA
Junction to ambient, 0 LFM Air Flow
WQFN-24 (4 mm x 5 mm)
40
°C/W
θJC
Junction to Case Thermal resistance
WQFN-24 (4 mm x 5 mm)
6
°C/W
Copyright © 2010–2013, Texas Instruments Incorporated
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