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LM5175PWPR Datasheet(PDF) 8 Page - Texas Instruments

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Part # LM5175PWPR
Description  42 V Wide VIN Synchronous 4-Switch Buck-Boost Controller
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM5175PWPR Datasheet(HTML) 8 Page - Texas Instruments

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8
LM5175
SNVSA37A – OCTOBER 2015 – REVISED MAY 2016
www.ti.com
Product Folder Links: LM5175
Submit Documentation Feedback
Copyright © 2015–2016, Texas Instruments Incorporated
Electrical Characteristics (continued)
Typical values correspond to TJ = 25°C. Minimum and maximum limits apply over the –40°C to 125°C junction temperature
range unless otherwise stated. VIN = 24 V unless otherwise stated.
(1)
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
PGOOD
VPGD
PGOOD trip threshold for falling FB
Measured with respect to VREF
–9
%
PGOOD trip threshold for rising FB
Measured with respect to VREF
10
%
Hysteresis
1.6
%
ILEAK(PGD)
PGOOD leakage current
100
nA
ISINK(PGD)
PGOOD sink current
VPGOOD = 0.4 V
2
4.2
6.5
mA
OUTPUT OVP
VOVP
Output overvoltage threshold
At the FB pin
0.86
V
Hysteresis
21
mV
NMOS DRIVERS
IHDRV1,2
Driver peak source current
VBOOT - VSW = 7 V
1.8
A
Driver peak sink current
VBOOT - VSW = 7 V
2.2
ILDRV1,2
Driver peak source current
1.8
Driver peak sink current
2.2
RHDRV1,2
Driver pull up resistance
VBOOT - VSW = 7 V
1.9
Ω
Driver pull down resistance
VBOOT - VSW = 7 V
1.3
VUV(BOOT1,2)
BOOT1,2 to SW1,2 UVLO threshold
HDRV1,2 shut off
2.73
V
BOOT1,2 to SW1,2 UVLO hysteresis
HDRV1,2 start switching
280
mV
BOOT1,2 to SW1,2 threshold for refresh
pulse
4.45
V
RLDRV1,2
Driver pull up resistance
IDRV1,2 = 0.1 A
2
Ω
Driver pull down resistance
IDRV1,2 = 0.1 A
1.5
tDT1
Dead time HDRV1,2 off to LDRV1,2 on
55
ns
tDT2
Dead time LDRV1,2 off to HDRV1,2 on
55
THERMAL SHUTDOWN
TSD
Thermal shutdown temperature
165
°C
TSD(HYS)
Thermal shutdown hysteresis
15


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