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LM5033MMX/NOPB Datasheet(PDF) 5 Page - Texas Instruments

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Part # LM5033MMX/NOPB
Description  100V Push-Pull Voltage Mode PWM Controller
PDF  24 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM5033MMX/NOPB Datasheet(HTML) 5 Page - Texas Instruments

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LM5033
www.ti.com
SNVS181B – APRIL 2004 – REVISED APRIL 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. VIN = 48V, VCC = 10V applied externally, RT = 26.7kΩ, unless otherwise stated. See
(1) and (2).
Symbol
Parameter
Conditions
Min
Typ
Max
Units
CS delay to output
Pin 8 taken from zero to
30
ns
0.6V. Time for Out1 or Out2
to fall to 90% of Vcc. CLoad
= 0 @ Out1, Out2
Current sink capability
Pin 8
≤ 0.3V
3
6
mA
(clocked)
Softstart (Pin 10)
Softstart current source
7
10
13
µA
Softstart to Comp offset
0.25
0.50
0.75
V
Open Circuit Voltage
5.0
V
Oscillator (Pin 9)
Fs1
Internal frequency
Rt = 26.7 k
Ω
175
200
225
kHz
Fs2
Internal frequency
Rt = 8.2 k
Ω
600
kHz
Vsync
Sync threshold
3.2
3.8
V
Rt/Sync DC voltage
2.0
V
PWM Comparator Input (Pin 3)
tPWM
Gain from pin 3 to PWM
0.34
V/V
comparator
Maximum duty cycle at
See PWM Comparator text
100 x (0.5TS-
%
Out1, Out2
TD)/TS
Minimum duty cycle at
Pin 3 = 0V.
0
%
Out1, Out2
Open Circuit Voltage
4.2
5.2
6.2
V
Short circuit current
Pin 3 = 0V
0.6
1.1
1.5
mA
Output Drivers (Pin 5, 6)
Deadtime (TD)
CLoad = 0 @ OUT1, OUT2.
85
135
185
ns
Time measured from 10% of
falling output to 10% of rising
output.
Rise Time
CLoad = 1nF
16
ns
Fall Time
CLoad = 1nF
16
ns
Output High Voltage
Iout = 50 mA (source)
Vcc-0.75
Vcc-0.25
V
Output Low Voltage
Iout = 100 mA (sink)
0.25
0.75
V
Max. source current
1.5
A
Max. sink current
1.5
A
Thermal Shutdown
TSD
Shutdown temperature
165
°C
Shutdown temperature
15
°C
hysteresis
Thermal Resistance
θJA
Junction to Ambient
DGS0010A Package
200
°C/W
DPR0010A Package
38
Copyright © 2004–2013, Texas Instruments Incorporated
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