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LM5177DCPR Datasheet(PDF) 11 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) 11 Page - Texas Instruments

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Typical values correspond to TJ=25°C. Minimum and maximum limits apply over TJ=-40°C to 125℃. Unless otherwise stated,
V(BIAS) =12 V
PARAMETER
MIN
TYP
MAX UNIT
nFLT off-state leakage
V(nFLT)=5V
100
nA
td(nFLT-PIN)
nFLT pin reaction time
Measured from a fault
event until nFLT goes low
37
µs
MOSFET DRIVER
tr
Rise time
HG1, HG2,
LG1, LG2
CG = 3.3nF
12
ns
tf
Fall time
HG1, HG2,
LG1, LG2
CG = 3.3nF
12
ns
tt
Dead-time
HOx from
High to Low
and LOx
from Low to
High
CG = 3.3nF
R(RT) = 14.7 kΩ
19
ns
HOx from
Low to High
and LOx
from High
to Low
20.5
ns
HOx from
High to Low
and LOx
from Low to
High
R(RT) = 316 k Ω
21.5
ns
HOx from
Low to High
and LOx
from High
to Low
23
ns
Gate driver low side
PMOS on-resistance
LO1, LO2
I(test) = 200 mA
1.6
Ω
Gate driver high side
PMOS on-resistance
HO1, HO2
I(test) = 200 mA
1.3
Ω
Gate driver low side
NMOS on-resistance
LO1, LO2
I(test) = 200 mA
0.6
Ω
Gate driver high side
NMOS on-resistance
HO1, HO2
I(test) = 200 mA
0.7
Ω
VTH-
(BST_UV)
Negative going boot-strap
V(HBx) - V(SWx) falling
2.4
2.8
3.1
V
VTH+
(BST_UV)
Positive going boot-strap
V(HBx) - V(SWx) rising
2.6
3
3.35
V
VTH+
(BST_OV)
Positive going boot-strap
over-voltage threshold
Positive
going boot-
strap over-
voltage
threshold
V(HBx) - V(SWx) rising,
I(HBx)=25uA
4.8
5.5
6.3
V
VTH
(GATEOUT)
Low/High Side Gate driver output
switching detection
referenced to VCC
37
%
referenced to V(HBx) -
V(SWx)
37
%
THERMAL SHUTDOWN
TT+J
Thermal shutdown
threshold
Thermal
shutdown
threshold
TJ rising
164
°C
Thermal shutdown
hysteresis
Thermal
shutdown
hysteresis
15
°C
www.ti.com
LM5177
SNVSBU4F – JUNE 2022 – REVISED JANUARY 2025
Copyright © 2025 Texas Instruments Incorporated
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11
Product Folder Links: LM5177



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