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LM5032 Datasheet(PDF) 6 Page - Texas Instruments

Part # LM5032
Description  LM5032 High-Voltage Dual Interleaved Current Mode Controller
PDF  36 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM5032 Datasheet(HTML) 6 Page - Texas Instruments

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LM5032
SNVS344B – MARCH 2005 – REVISED DECEMBER 2014
www.ti.com
Electrical Characteristics (continued)
MIN and MAX limits apply –40°C
≤ TJ ≤ 125°C. VIN = 48 V, VCC = 10 V externally applied, RT = RDCL = 42.2kΩ, UVLO = 1.5
V, TJ = 25°C, unless otherwise stated, see
(1)and see(2).
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DC voltage
2
V
Input Sync threshold
2.6
3.3
3.7
V
PWM CONTROLLER (COMP1, COMP2, Duty Cycle Limit Pins)
Delay to output
COMP1 (COMP2) set to 2V. CS1 (CS2)
50
ns
stepped from 0 to 0.4V. Time for OUT1
(OUT2) to fall to 90% of VCC. Output load = 0
pF.
VCOMP
COMP1 (COMP2) open circuit
5
V
voltage
ICOMP
COMP1 (COMP2) short circuit
COMP1 (COMP2) = 0V
0.6
1
1.4
mA
current
COMP1 (COMP2) to PWM1
0.33
V/V
(PWM2) gain
Minimum duty cycle
SS1 (SS2) = 0V
0%
Maximum duty cycle 1
UVLO pin = 1.30V, RDCL = RT, COMP1
76%
(COMP2) = open
Maximum duty cycle 2
UVLO pin = 3.75V, RDCL = RT, COMP1
20%
(COMP2) = open
Maximum duty cycle 3
UVLO pin = 1.30V, RDCL = RT/4, COMP1
20%
(COMP2) = open
Maximum duty cycle 4
UVLO pin = 2.50V, RDCL = RT, COMP1
50%
(COMP2) = open
Maximum duty cycle 5
UVLO pin = 1.30V, RDCL = RT/2, COMP1
40%
(COMP2) = open
Slope compensation
Delta increase at PWM comparator to CS1
90
mV
(CS2)
Channel mismatch
CS1 (CS2) = 0.25V
7%
Soft-start to COMP offset
SS1 (SS2) = 0.8V
0
V
MAIN OUTPUT DRIVERS (OUT1, OUT2)
Output high voltage
IOUT = 50mA (source)
VCC-1
VCC-
V
0.2
Output low voltage
IOUT = 100 mA (sink)
0.3
1
V
Rise time
CLOAD = 1 nF
12
ns
Fall time
CLOAD = 1 nF
10
ns
Peak source current
1.5
A
Peak sink current
2.5
A
THERMAL SHUTDOWN
TSD
Shutdown temperature
165
°C
Hysteresis
20
°C
6
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Copyright © 2005–2014, Texas Instruments Incorporated
Product Folder Links: LM5032



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