Datasheet
Table Of Contents
- FEATURES
- APPLICATIONS
- DESCRIPTION
- ABSOLUTE MAXIMUM RATINGS
- THERMAL INFORMATION
- ELECTRICAL CHARACTERISTICS
- DEVICE INFORMATION
- TYPICAL CHARACTERISTICS
- OVERVIEW
- DETAILED DESCRIPTION
- Fixed Frequency PWM Control
- Slope Compensation Output Current
- Pulse Skip Eco-Mode
- Low Dropout Operation and Bootstrap Voltage (BOOT)
- Error Amplifier
- Voltage Reference
- Adjusting the Output Voltage
- Enable and Adjusting Undervoltage Lockout
- Slow Start/Tracking Pin (SS/TR)
- Overload Recovery Circuit
- Sequencing
- Constant Switching Frequency and Timing Resistor (RT/CLK Pin)
- Overcurrent Protection and Frequency Shift
- Selecting the Switching Frequency
- How to Interface to RT/CLK Pin
- Power Good (PWRGD Pin)
- Overvoltage Transient Protection
- Thermal Shutdown
- Small Signal Model for Loop Response
- Simple Small Signal Model for Peak Current Mode Control
- Small Signal Model for Frequency Compensation
- APPLICATION INFORMATION
- Design Guide — Step-By-Step Design Procedure
- Selecting the Switching Frequency
- Output Inductor Selection (LO)
- Output Capacitor
- Catch Diode
- Input Capacitor
- Slow Start Capacitor
- Bootstrap Capacitor Selection
- Under Voltage Lock Out Set Point
- Output Voltage and Feedback Resistors Selection
- Compensation
- Discontinuous Mode and Eco Mode Boundary
- APPLICATION CURVES
- Power Dissipation Estimate
- Layout
- Revision History
ERROR
AMPLIFIER
Boot
Charge
Boot
UVLO
UVLO
Current
Sense
Oscillator
withPLL
Frequency
Shift
Logic
And
PWMLatch
Slope
Compensation
PWM
Comparator
Minimum
Clamp
Pulse
Skip
Maximum
Clamp
Voltage
Reference
Overload
Recovery
VSENSE
SS/TR
COMP
RT/CLK
PH
BOOT
VIN
Thermal
Shutdown
EN
Enable
Comparator
Shutdown
Logic
Shutdown
Enable
Threshold
TPS54060 BlockDiagram
Logic
Shutdown
PWRGD
Shutdown
OV
GND
POWERPAD
7
4
8
5
9
11
10
1
2
3
6
UV
TPS54060
SLVS919A –JANUARY 2009–REVISED JULY 2010
www.ti.com
FUNCTIONAL BLOCK DIAGRAM
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