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TPS40061 Datasheet Preview

TPS40061 Datasheet

WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER

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www.ti.com
TPS40060
8
TPS40061
SLUS543F – DECEMBER 2002 – REVISED JUNE 2013
WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER
Check for Samples: TPS40060, TPS40061
FEATURES
1
2 Operating Input Voltage 10 V to 55 V
• Input Voltage Feed-Forward Compensation
• < 1% Internal 0.7-V Reference
• Programmable Fixed-Frequency, Up to 1-MHz
Voltage Mode Controller
• Internal Gate Drive Outputs for High-Side P-
Channel and Synchronous N-Channel
MOSFETs
• 16-Pin PowerPAD™ Package (θJC = 2°C/W)
• Thermal Shutdown
• Externally Synchronizable
• Programmable High-Side Sense Short Circuit
Protection
• Programmable Closed-Loop Soft-Start
• TPS40060 Source Only/TPS40061 Source/Sink
APPLICATIONS
• Networking Equipment
• Telecom Equipment
• Base Stations
• Servers
DESCRIPTION
The TPS40060 and TPS40061 are high-voltage, wide
input (10 V to 55 V) synchronous, step-down
converters.
This family of devices offers design flexibility with a
variety of user programmable functions, including;
soft-start, UVLO, operating frequency, voltage feed-
forward, high-side current limit, and loop
compensation. These devices are also
synchronizable to an external supply.
The TPS40060 and TPS40061 incorporate MOSFET
gate drivers for external P-channel high-side and N-
channel synchronous rectifier (SR) MOSFETs. Gate
drive logic incorporates anti-cross conduction circuitry
to prevent simultaneous high-side and synchronous
rectifier conduction.
SIMPLIFIED APPLICATION DIAGRAM
TPS40060PWP
1 KFF
ILIM 16
2 RT
VIN 15
VIN
3 BP5
HDRV 14
4 SYNC BPN10 13
5 SGND
SW 12
6 SS/SD BP10 11
7 VFB
LDRV 10
8 COMP PGND 9
+
VOUT
-
UDG-02157
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2002–2013, Texas Instruments Incorporated




etcTI

TPS40061 Datasheet Preview

TPS40061 Datasheet

WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER

No Preview Available !

TPS40060
TPS40061
SLUS543F – DECEMBER 2002 – REVISED JUNE 2013
www.ti.com
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more
susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.
TA
–40°C to 85°C
ORDERING INFORMATION
LOAD CURRENT
PACKAGE (1)
SOURCE (2)
Plastic HTSSOP (PWP)
SOURCE/SIN (2)
Plastic HTSSOP (PWP)
PART NUMBER
TPS40060PWP
TPS40061PWP
(1) The PWP package is also available taped and reeled. Add an R suffix to the device type (i.e., TPS40060PWPR). See the Application
Information of the data sheet for PowerPAD drawing and layout information.
(2) See Application Information section.
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range unless otherwise noted(1)
VIN Input voltage range
VIN
VFB, SS/SD, SYNC
SW
VOUT
IIN
IOUT
TJ
Tstg
SW. transient < 50 ns
Output voltage range COMP, RT, KFF, SS
Input current
KFF
Output current
RT
Operating junction temperature range
Storage temperature
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
TPS40060
TPS40061
60 V
–0.3 V to 6 V
–0.3 V to 60 V or VIN+5 V
(whichever is less)
–2.5 V
–0.3 V to 6 V
5 mA
200 µA
–40°C to 125°C
–55°C to 150°C
260°C
(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating
conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING CONDITIONS
VIN Input voltage
TA
Operating free-air temperature
MIN NOM MAX
10
55
–40
85
UNIT
V
°C
PWP PACKAGE (1)(2)
(TOP VIEW)
KFF
RT
BP5
SYNC
SGND
SS/SD
VFB
COMP
1
16
2
15
3
14
4 THERMAL 13
5
PAD
12
6
11
7
10
8
9
ILIM
VIN
HDRV
BPN10
SW
BP10
LDRV
PGND
(1) For more information on the PWP package, refer to TI Technical Brief (SLMA002).
(2) PowerPAD™ heat slug must be connected to SGND (Pin 5), or electrically isolated from all other pins.
2
Submit Documentation Feedback
Copyright © 2002–2013, Texas Instruments Incorporated
Product Folder Links: TPS40060 TPS40061


Part Number TPS40061
Description WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER
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TPS40061 Datasheet PDF






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