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LM5177DCPR Datasheet(PDF) 7 Page - Texas Instruments

Part # LM5177DCPR
Description  LM5177 60V Wide VIN Bidirectional 4-Switch Buck-Boost Controller
PDF  60 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM5177DCPR Datasheet(HTML) 7 Page - Texas Instruments

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5.3 Recommended Operating Conditions
Over the recommended operating junction temperature range of –40°C to 150°C (unless otherwise specified)(1)
MIN
NOM
MAX
UNIT
V(VIN)
Input Voltage Sense
2.9
60
V
V(VOUT)
Output Voltage Sense
3.3
60
V
V(IMON)
ISNSP;ISNSN
2.8
60
V
V(VCC)
VCC Voltage
3.6
5.3
V
C(VCC)
VCC regulator effective output capacitance
10
µF
VFB
FB Input
0
V(VCC) +0.3
V
VIL
Logic pin low-level
0.4
V
VIH
Logic pin high-level
1.3
V
fSW
Typical Switching Frequency
100
600
kHz
f(SYNC)
Synchronization switching frequency limits
100
600
kHz
Maximum recommended gate charge per driver output. fsw = 600kHz
V(BIAS) = 12V
42
nC
Inductor current ripple, referenced to the peak current limit
15
20
%
Synchronization frequency range relative to RT center frequency
±45
%
Synchronization input minimum off- or ontime
120
ns
f(DTRK)
Tracking input frequency range
150
500
kHz
Tracking input minimum off- or ontime
120
ns
Differential voltage for ISNSN to ISNSP
50
55
mV
TJ
Operating Junction Temperature(2)
–40
125
°C
(1)
Operating Ratings are conditions under the device is intended to be functional. For specifications and test conditions, see Electrical
Characteristics.
(2)
High junction temperatures degrade operating lifetimes. Operating lifetime is de-rated for junction temperatures greater than 125°C.
5.4 Thermal Information
THERMAL METRIC (1)
LM5177
UNIT
HTSSOP
38 PINS
RθJA
Junction-to-ambient thermal resistance
33.6
°C/W
RθJC(top)
Junction-to-case (top) thermal resistance
18.4
°C/W
RθJB
Junction-to-board thermal resistance
15.2
°C/W
ψJT
Junction-to-top characterization parameter
0.5
°C/W
ψJB
Junction-to-board characterization parameter
15
°C/W
RθJC(bot)
Junction-to-case (bottom) thermal resistance
1.2
°C/W
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report.
www.ti.com
LM5177
SNVSBU4F – JUNE 2022 – REVISED JANUARY 2025
Copyright © 2025 Texas Instruments Incorporated
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Product Folder Links: LM5177



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