TPS563201 Datasheet, PDF (1/25 Pages) Texas Instruments – Synchronous Step-Down Voltage Regulator

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TPS563201, TPS563208
SLVSD90 – DECEMBER 2015
TPS56320x 4.5-V to 17-V Input, 3-A Synchronous Step-Down Voltage Regulator in SOT-23
1 Features
•1 TPS563201 and TPS563208 3-A Converter
Integrated 95-mΩ and 57-mΩ FETs
• D-CAP2™ Mode Control with fast transient
response
• Input Voltage Range: 4.5 V to 17 V
• Output Voltage Range: 0.76 V to 7 V
• Pulse-skip mode (TPS563201) or Continuous
Current Mode (TPS563208)
• 580-kHz Switching Frequency
• Low Shutdown Current Less than 10 µA
• 2% Feedback Voltage Accuracy (25 ºC)
• Startup from Pre-Biased Output Voltage
• Cycle-by-Cycle Overcurrent Limit
• Hiccup-mode Overcurrent Protection
• Non-Latch UVP and TSD Protections
• Fixed Soft Start: 1.0 ms
2 Applications
• Digital TV Power Supply
• High Definition Blu-ray™ Disc Players
• Networking Home Terminal
• Digital Set Top Box (STB)
• Surveillance
3 Description
The TPS563201 and TPS563208 are simple, easy-to-
use, 3 A synchronous step-down converters in SOT-
23 package.
The devices are optimized to operate with minimum
external component counts and also optimized to
achieve low standby current.
These switch mode power supply (SMPS) devices
employ D-CAP2 mode control providing a fast
transient response and supporting both low-
equivalent series resistance (ESR) output capacitors
such as specialty polymer and ultra-low ESR ceramic
capacitors with no external compensation
components.
TPS563201 operates in pulse skip mode, which
maintains high efficiency during light load operation.
The TPS563201 and TPS563208 are available in a 6-
pin 1.6-mm × 2.9-mm SOT (DDC) package, and
specified from a –40°C to 125°C junction
temperature.
Device Information⁽¹⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS563201
TPS563208
DDC (6)
1.60 mm × 2.90 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Simplified Schematic
VOUT
COUT
VIN
CIN
TPS563201
1 _{GND VBST} 6
2 _SW
EN ⁵
3 _VIN
4
VFB
EN
VOUT
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0.001
TPS563201 Efficiency
0.005
0.02 0.05 0.1 0.2
Output Current (A)
V_OUT = 1.05 V
V_OUT = 1.5 V
V_OUT = 1.8 V
V_OUT = 3.3 V
V_OUT = 5 V
0.5 1
23
D023
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.