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LM5574QMT/NOPB Datasheet(PDF) 6 Page - Texas Instruments

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Part # LM5574QMT/NOPB
Description  Simple Switcher 75 V 0.5 A Step-Down Switching Regulator
PDF  33 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM5574QMT/NOPB Datasheet(HTML) 6 Page - Texas Instruments

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LM5574-Q1
SNOSB22C – OCTOBER 2008 – REVISED OCTOBER 2014
www.ti.com
Electrical Characteristics (continued)
VIN = 48V, RT = 32.4kΩ, typical values correspond to TJ = 25°C. Minimum and maximum limits apply over -40°C to 125°C
junction temperature range unless otherwise stated.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PWM COMPARATOR
Forced Off-time
390
500
590
ns
Min On-time
80
ns
COMP to PWM Comparator Offset
0.7
V
ERROR AMPLIFIER
Feedback Voltage
Vfb = COMP
1.205
1.225
1.245
V
FB Bias Current
17
nA
DC Gain
70
dB
COMP Sink / Source Current
3
mA
Unity Gain Bandwidth
3
MHz
DIODE SENSE RESISTANCE
DSENSE
250
m
Ω
THERMAL SHUTDOWN
Tsd
Thermal Shutdown Threshold
180
°C
Thermal Shutdown Hysteresis
25
°C
6
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Copyright © 2008–2014, Texas Instruments Incorporated
Product Folder Links: LM5574-Q1



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