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TPS54526PWPR Datasheet(PDF) 4 Page - Texas Instruments

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Part # TPS54526PWPR
Description  4.5V to 18V Input, 5.5-A Synchronous Step-Down Converter with Eco-Mode?
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54526PWPR Datasheet(HTML) 4 Page - Texas Instruments

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TPS54526
SLVSB84 – MAY 2012
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
over operating free-air temperature range, VIN = 12V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CURRENT LIMIT
Iocl
Current limit
LOUT = 1.5 μH
(2),
6.1
6.9
8.4
A
THERMAL SHUTDOWN
Shutdown temperature (2)
165
TSDN
Thermal shutdown threshold
°C
Hysteresis (2)
35
ON-TIME TIMER CONTROL
TON
On time
VIN = 12 V, VO = 1.05 V
155
ns
TOFF(MIN)
Minimum off time
TA = 25°C, VFB = 0.7 V
260
330
ns
SOFT START
ISSC
SS charge current
VSS = 1.0 V
4.2
6.0
7.8
μA
ISSD
SS discharge current
VSS = 0.5 V
0.1
0.2
mA
POWER GOOD
VVFB rising (good)
85
90
95
%
VTHPG
PG threshold
VVFB falling (fault)
85
%
IPG
PG sink current
VPG = 0.5 V
2.5
5
mA
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
VOVP
Output OVP trip threshold
OVP detect
120
125
130
%
TOVPDEL
Output OVP prop delay
10
μs
UVP detect
60
65
70
%
VUVP
Output UVP trip threshold
Hysteresis
10
%
TUVPDEL
Output UVP delay
0.25
ms
TUVPEN
Output UVP enable delay
Relative to soft-start time
x 1.7
UVLO
Wake up VREG5 voltage
3.31
3.61
3.91
VUVLO
UVLO threshold
Fall VREG5 voltage
2.82
3.12
3.42
V
Hysteresis VREG5 voltage
0.37
0.49
0.61
(2)
Not production tested.
4
Copyright © 2012, Texas Instruments Incorporated
Product Folder Link(s) :TPS54526


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