Texas Instruments TPS54560 Step-Down DC-DC Converter Evaluation Module TPS54560EVM-515 TPS54560EVM-515 Scheda Tecnica
Codici prodotto
TPS54560EVM-515
SW
VIN
GND
BOOT
FB
COMP
TPS54560
EN
RT/CLK
V
IN
V
OUT
60
65
70
75
80
85
90
95
100
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
Ef
ficien
cy
(%
)
I
O
- Output Current (A)
C024
12 V to 5 V
12 V to 3.3 V
36 V to 12 V
V
= 12 V, sw = 800 kHz
OUT
f
V
= 5 V and 3.3 V, sw = 400 kHz
OUT
f
SLVSBN0A – MARCH 2013 – REVISED MARCH 2014
TPS54560 4.5 V to 60 V Input, 5 A, Step Down DC-DC Converter with Eco-mode™
1 Features
3 Description
The TPS54560 is a 60 V, 5 A, step down regulator
1
•
High Efficiency at Light Loads with Pulse Skipping
with an integrated high side MOSFET. The device
Eco-mode™
survives load dump pulses up to 65V per ISO 7637.
•
92-m
Ω High-Side MOSFET
Current
mode
control
provides
simple
external
•
146
μA Operating Quiescent Current and
compensation and flexible component selection. A
low ripple pulse skip mode reduces the no load
low ripple pulse skip mode reduces the no load
2
μA Shutdown Current
supply current to 146
μA. Shutdown supply current is
•
100 kHz to 2.5 MHz Fixed Switching Frequency
reduced to 2
μA when the enable pin is pulled low.
•
Synchronizes to External Clock
Undervoltage lockout is internally set at 4.3 V but can
•
Low Dropout at Light Loads with Integrated BOOT
be increased using the enable pin. The output voltage
Recharge FET
start up ramp is internally controlled to provide a
•
Adjustable UVLO Voltage and Hysteresis
controlled start up and eliminate overshoot.
•
0.8 V 1% Internal Voltage Reference
A wide switching frequency range allows either
•
8-Terminal HSOIC with PowerPAD™ Package
efficiency or external component size to be optimized.
Output current is limited cycle-by-cycle. Frequency
Output current is limited cycle-by-cycle. Frequency
•
–40°C to 150°C T
J
Operating Range
foldback and thermal shutdown protects internal and
•
Supported by WEBENCH™ Software Tool
external components during an overload condition.
The TPS54560 is available in an 8-terminal thermally
2 Applications
enhanced HSOIC PowerPAD™ package.
•
Industrial Automation and Motor Control
•
Vehicle Accessories: GPS, Entertainment
Device Information
•
USB Dedicated Charging Ports and Battery
ORDER NUMBER
PACKAGE
BODY SIZE
Chargers
TPS54560DDA
HSOIC (8)
4,89mm x 3,9mm
•
12 V, 24 V and 48 V Industrial, Automotive and
spacer
Communications Power Systems
Efficiency vs Load Current
4 Simplified Schematic
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.
intellectual property matters and other important disclaimers. PRODUCTION DATA.