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TPS54352MPWPREP Fiches technique(PDF) 4 Page - Texas Instruments

No de pièce TPS54352MPWPREP
Description  4.5-V TO 20-V INPUT, 3-A OUTPUT SYNCHRONOUS PWM SWITCHES
Download  35 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54352MPWPREP Fiches technique(HTML) 4 Page - Texas Instruments

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Electrostatic Discharge (ESD) Protection
Recommended Operating Conditions
Electrical Characteristics
TPS54352-EP
,, TPS54353-EP,, TPS54354-EP
TPS54355-EP
, TPS54356-EP, TPS54357-EP
SLVS684A – JANUARY 2007 – REVISED JULY 2009 ....................................................................................................................................................... www.ti.com
MIN
MAX
UNIT
Human-Body Model (HBM)
600
V
Charged-Device Model (CDM)
1.5
kV
MIN
MAX
UNIT
TPS54352-6
4.5
20
Input voltage range, VI
V
TPS54357
6.65
20
Operating junction temperature, TJ
–55
125
°C
TJ = –55°C to 125°C, VIN = 4.5 V to 20 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Supply Current
Operating current, PH pin open,
5
No external low side MOSFET, RT = Hi-Z
IQ
Quiescent current
mA
Shutdown, ENA = 0 V
1
TPS54352-6
4.32
4.48
Start threshold
V
voltage
TPS54357
6.4
6.65
TPS54352-6
3.69
3.97
Stop threshold
VIN
V
voltage
TPS54357
5.45
5.8
TPS54352-6
350
Hysteresis
mV
TPS54357
600
Output Voltage
TJ = 25°C, IO = 100 mA to 3 A
1.88
1.2
1.212
TPS54352
IO = 100 mA to 3 A
1.176
1.2
1.224
TJ = 25°C, IO = 100 mA to 3 A
1.485
1.5
1.515
TPS54353
IO = 100 mA to 3 A
1.47
1.5
1.53
TJ = 25°C, IO = 100 mA to 3 A
1.782
1.8
1.818
TPS54354
IO = 100 mA to 3 A
1.764
1.8
1.836
TJ = 25°C, IO = 100 mA to 3 A
2.475
2.5
2.525
VO
Output voltage
V
TPS54355
IO = 100 mA to 3 A
2.45
2.5
2.55
TJ = 25°C, VIN = 5.5 V to 20 V,
3.267
3.3
3.333
IO = 100 mA to 3 A
TPS54356
VIN = 5.5 V to 20 V, IO = 100 mA to 3 A
3.234
3.3
3.366
TJ = 25°C, VIN = 7.5 V to 20 V,
4.95
5
5.05
IO = 100 mA to 3 A
TPS54357
VIN = 7.5 V to 20 V, IO = 100 mA to 3 A
4.9
5
5.1
Under Voltage Lockout (UVLO)
Start threshold voltage
1.2
1.25
V
UVLO
Stop threshold voltage
1.02
1.1
V
Hysteresis
100
mV
Bias Voltage (VBIAS)
IVBIAS = 5 mA, VIN ≥ 12 V
7.5
7.8
8
VBIAS
Output voltage
V
IVBIAS = 5 mA, VIN = 4.5 V
4.4
4.47
4.5
Oscillator (RT)
RT grounded
200
250
300
Internally set PWM switching frequency
kHz
RT open
400
500
600
Externally set PWM switching frequency
RT = 100 k
Ω (1% resistor to AGND)
425
500
575
kHz
4
Submit Documentation Feedback
Copyright © 2007–2009, Texas Instruments Incorporated
Product Folder Link(s): TPS54352-EP TPS54353-EP TPS54354-EP TPS54355-EP TPS54356-EP TPS54357-EP


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