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TPS40200 Datasheet Preview

TPS40200 Datasheet

Wide Input Range Non-Synchronous Controller

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TPS40200
SLUS659G – FEBRUARY 2006 – REVISED NOVEMBER 2014
TPS40200 Wide Input Range Non-Synchronous Voltage Mode Controller
1 Features
1 Input Voltage Range 4.5 V to 52 V
• Output Voltage (700 mV to 90% VIN)
• 200-mA Internal P-channel FET Driver
• Voltage Feed-Forward Compensation
• Undervoltage Lockout
• Programmable Fixed-Frequency (between 35 kHz
and 500 kHz) Operation
• Programmable Short-Circuit Protection
• Hiccup Overcurrent Fault Recovery
• Programmable Closed-Loop Soft-Start
• 700 mV 1% Reference Voltage
• External Synchronization
• Small 8-Pin SOIC (D) and VSON (DRB) Packages
2 Applications
• Industrial Control
• Distributed Power Systems
• DSL/Cable Modems
• Scanners
• Telecom
3 Description
The TPS40200 is a flexible, non-synchronous
controller with a built-in 200-mA driver for P-channel
FETs. The circuit operates with inputs up to 52 V with
a power-saving feature that turns off driver current
once the external FET has been fully turned on. This
feature extends the flexibility of the device, allowing it
to operate with an input voltage up to 52 V without
dissipating excessive power. The circuit operates with
voltage-mode feedback and has feed-forward input
voltage compensation that responds instantly to input
voltage change. The integral 700-mV reference is
trimmed to 2%, providing the means to accurately
control low voltages. The TPS40200 is available in an
8-pin SOIC and an 8-pin VSON package and
supports many of the features of more complex
controllers. Clock frequency, soft-start, and
overcurrent limits are each easily programmed by a
single, external component. The part has
undervoltage lockout, and can be easily synchronized
to other controllers or a system clock to satisfy
sequencing and/or noise-reduction requirements.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS40200
VSON (8)
SOIC (8)
3.00 mm x 3.00 mm
4.90 mm x 3.90 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Simplified Schematic
VIN
TPS40200
1 RC
VDD 8
Efficiency vs Output Current
100
VOUT = 5 V
90
80
2 SS
ISNS 7
3 COMP GDRV 6
4 FB
GND 5
VOUT
70
60
50
0
VIN (V)
16
12
8
0.5
1.0
1.5
2.0
2.5
Load Current (A)
UDG-11201
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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TPS40200 Datasheet Preview

TPS40200 Datasheet

Wide Input Range Non-Synchronous Controller

No Preview Available !

TPS40200
SLUS659G – FEBRUARY 2006 – REVISED NOVEMBER 2014
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 Handling Ratings ...................................................... 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics .............................................. 7
7 Detailed Description ............................................ 11
7.1 Overview ................................................................. 11
7.2 Functional Block Diagram ....................................... 11
7.3 Feature Description................................................. 11
7.4 Device Functional Modes........................................ 18
8 Application and Implementation ........................ 19
8.1 Application Information............................................ 19
8.2 Typical Application .................................................. 19
9 Power Supply Recommendations...................... 37
10 Layout................................................................... 37
10.1 Layout Guidelines ................................................. 37
10.2 Layout Example .................................................... 38
11 Device and Documentation Support ................. 39
11.1 Device Support .................................................... 39
11.2 Documentation Support ....................................... 39
11.3 Trademarks ........................................................... 39
11.4 Electrostatic Discharge Caution ............................ 39
11.5 Glossary ................................................................ 39
12 Mechanical, Packaging, and Orderable
Information ........................................................... 39
4 Revision History
Changes from Revision F (September 2014) to Revision G
Page
• Changed Added Handling Rating table, Feature Description section, Device Functional Modes, Application and
Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation
Support section, and Mechanical, Packaging, and Orderable Information section. .............................................................. 1
2
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Product Folder Links: TPS40200
Copyright © 2006–2014, Texas Instruments Incorporated


Part Number TPS40200
Description Wide Input Range Non-Synchronous Controller
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