SLVSB71E
February 2012 – September 2016
TLV62150
,
TLV62150A
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Typical Application Schematic
Efficiency vs Output Current
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Enable / Shutdown (EN)
8.3.2
Soft Start / Tracking (SS/TR)
8.3.3
Power Good (PG)
8.3.4
Pin-Selectable Output Voltage (DEF)
8.3.5
Frequency Selection (FSW)
8.3.6
Undervoltage Lockout (UVLO)
8.3.7
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Pulse Width Modulation (PWM) Operation
8.4.2
Power Save Mode Operation
8.4.3
100% Duty-Cycle Operation
8.4.4
Current Limit and Short Circuit Protection
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Programming the Output Voltage
9.2.2.2
External Component Selection
9.2.2.2.1
Inductor Selection
9.2.2.2.2
Capacitor Selection
9.2.2.2.2.1
Output Capacitor
9.2.2.2.2.2
Input Capacitor
9.2.2.2.2.3
Soft-Start Capacitor
9.2.2.3
Tracking Function
9.2.2.4
Output Filter and Loop Stability
9.2.3
Application Curves
9.3
System Examples
9.3.1
LED Power Supply
9.3.2
Active Output Discharge
9.3.3
Inverting Power Supply
9.3.4
Various Output Voltages
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.3
Thermal Considerations
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.2
Related Links
12.3
Documentation Support
12.3.1
Related Documentation
12.4
Receiving Notification of Documentation Updates
12.5
Community Resources
12.6
Trademarks
12.7
Electrostatic Discharge Caution
12.8
Glossary
13
Mechanical, Packaging, and Orderable Information
9.2.3
Application Curves
V
IN
= 12 V, V
OUT
= 3.3 V, T
A
= 25°C, (unless otherwise noted)
Figure 8.
Efficiency With 1.25 MHz, Vout = 5 V
Figure 10.
Efficiency With 2.5 MHz, Vout = 5 V
Figure 12.
Efficiency With 1.25 MHz, Vout = 3.3 V
Figure 14.
Efficiency With 2.5 MHz, Vout = 3.3 V
Figure 16.
Efficiency With 1.25 MHz, Vout = 1.8 V
Figure 18.
Efficiency With 1.25 MHz, Vout = 0.9 V
Figure 20.
Output Voltage Accuracy (Load Regulation)
FSW=Low
Figure 22.
Switching Frequency
Figure 24.
Output Voltage Ripple
I
OUT
= 1 A
Figure 26.
Power Supply Rejection Ratio, F
SW
= 2.5 MHz
Figure 28.
PWM-PSM-Transition
(V
IN
= 12 V, V
OUT
= 3.3 V With 50 mV/div)
Figure 30.
Load Transient Response of
Figure 29
,
Rising Edge
Figure 32.
Startup Into 100 mA
Figure 34.
Typical Operation In PWM Mode
(I
OUT
= 1 A)
Figure 9.
Efficiency With 1.25 MHz, Vout = 5 V
Figure 11.
Efficiency With 2.5 MHz, Vout = 5 V
Figure 13.
Efficiency With 1.25 MHz, Vout = 3.3 V
Figure 15.
Efficiency With 2.5 MHz, Vout = 3.3 V
Figure 17.
Efficiency With 1.25 MHz, Vout = 1.8 V
Figure 19.
Efficiency With 1.25 MHz, Vout=0.9 V
Figure 21.
Output Voltage Accuracy (Line Regulation)
FSW=Low
Figure 23.
Switching Frequency
Figure 25.
Maximum Output Current
I
OUT
= 0.1 A
Figure 27.
Power Supply Rejection Ratio, F
SW
= 2.5 MHz
Figure 29.
Load Transient Response
(I
OUT
= 0.5 to 1 to 0.5 A, V
IN
= 12 V, V
OUT
= 3.3 V)
Figure 31.
Load Transient Response of
Figure 29
,
Falling Edge
Figure 33.
Startup Into 1 A
Figure 35.
Typical Operation in Power Save Mode
(I
OUT
= 10 mA)