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TPS53515 Datasheet(PDF) 1 Page - Texas Instruments

No. de pieza TPS53515
Descripción Electrónicos  TPS53515 1.5-V to 18-V (4.5-V to 25-V Bias) Input, 12-A Single Synchronous Step-Down SWIFT??Converter
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI - Texas Instruments

TPS53515 Datasheet(HTML) 1 Page - Texas Instruments

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TPS53515
1
2
3
4
5
6
7
8
9
22
21
20
19
18
17
16
15
PGND
VIN
10
EN
11
12
13
14
PGND
PGND
PGND
PGND
PGOOD
23
28
GND2
27
GND1
26
DNC
25
TRIP
24
VO
Thermal Pad
VOUT
VREG
60
70
80
90
100
0
2
4
6
8
10
12
Output Current (A)
Vout = 0.6 V
Vout = 1 V
Vout = 1.2 V
Vout = 1.5 V
Vout = 1.8 V
Vout = 2.5 V
Vout = 3.3 V
Vout = 5 V
C003
f
SW = 500 KHz, VIN = 12 V, VDD = 5 V
T
A = 25°C, L OUT = 1 H, Mode = Auto-skip
V
OUT = 0.6 V
V
OUT = 1.2 V
V
OUT = 1.8 V
V
OUT = 3.3 V
V
OUT = 1 V
V
OUT = 1.5 V
V
OUT = 2.5 V
V
OUT = 5 V
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Design
TPS53515
SLUSBN5B – AUGUST 2013 – REVISED JULY 2015
TPS53515 1.5-V to 18-V (4.5-V to 25-V Bias) Input,
12-A Single Synchronous Step-Down SWIFT™ Converter
1 Features
3 Description
The TPS53515 device is a small-sized, synchronous
1
Integrated 13.8-m
Ω and 5.9-mΩ MOSFETs With
buck converter with an adaptive on-time D-CAP3
12-A Continuous Output Current
control mode. The device offers ease-of-use and low
Supports All Ceramic Output Capacitors
external-component count for space-conscious power
Reference Voltage 600 mV ±0.5% Tolerance
systems.
Output Voltage Range: 0.6 V to 5.5 V
This device features high-performance integrated
D-CAP3™ Control Mode With Fast Load-Step
MOSFETs, accurate 0.5% 0.6-V reference, and an
integrated boost switch. Competitive features include
Response SWIFT™
very
low
external-component
count,
fast
load-
Auto-Skipping Eco-mode™ for High Light-Load
transient
response,
auto-skip
mode
operation,
Efficiency
internal soft-start control, and no requirement for
FCCM for Tight Output Ripple and Voltage
compensation.
Requirements
A forced continuous conduction mode helps meet
Eight Selectable Frequency Settings from
tight voltage regulation accuracy requirements for
250 kHz to 1 MHz
performance DSPs and FPGAs. The TPS53515
Precharged Startup Capability
device is available in a 28-pin VQFN-CLIP package
and is specified from –40°C to 85°C ambient
Built-in Output Discharge Circuit
temperature.
Open-Drain Power-Good Output
3.5 mm × 4.5 mm, 28-Pin, VQFN-CLIP Package
Device Information (1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
2 Applications
TPS53515
VQFN-CLIP (28)
4.50 mm × 3.50 mm
Server and Cloud-Computing POLs
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Broadband, Networking, and Optical
Communications Infrastructure
I/O Supplies
Supported at the WEBENCH® Design Center
Simplified Schematic
Efficiency
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.


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