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TPS54218RTER Fiches technique(PDF) 4 Page - Texas Instruments

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No de pièce TPS54218RTER
Description  2.95 V to 6 V Input 2 A Output 2MHz Synchronous Step Down Switcher With Integrated FETs (SWIFT)
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS54218RTER Fiches technique(HTML) 4 Page - Texas Instruments

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TPS54218
SLVS974 – SEPTEMBER 2009 ......................................................................................................................................................................................... www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
TJ = –40°C to 150°C, VIN = 2.95 to 6 V (unless otherwise noted)
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
BOOT (BOOT PIN)
BOOT Charge Resistance
VIN = 5 V
16
BOOT-PH UVLO
VIN = 2.95 V
2.1
V
SLOW START (SS PIN)
Charge Current
V(SS) = 0.4 V
1.8
μA
SS to reference crossover
98% nominal
0.9
V
SS discharge voltage (overload)
VSENSE = 0 V
20
μA
SS discharge current (UVLO, EN, Thermal
VIN = 5 V, V(SS) = 0.5 V
1.25
mA
Fault)
POWER GOOD (PWRGD PIN)
VSENSE falling (Fault)
91
% Vref
VSENSE rising (Good)
93
% Vref
VSENSE threshold
VSENSE rising (Fault)
107
% Vref
VSENSE falling (Good)
105
% Vref
Hysteresis
VSENSE falling
2
% Vref
Output high leakage
VSENSE = VREF, V(PWRGD) = 5.5 V
2
nA
On resistance
100
Output low
I(PWRGD) = 3.5 mA
0.3
V
Minimum VIN for valid output
V(PWRGD) < 0.5 V at 100 μA
1.2
1.6
V
4
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Product Folder Link(s) :TPS54218


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