SNVS536F
October 2007 – July 2015
LM2757
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Device Options
6
Pin Configuration and 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
Efficiency Performance
8.3.2
Soft Start
8.3.3
Thermal Shutdown
8.3.4
Current-Limit Protection
8.4
Device Functional Modes
8.4.1
Enable and Voltage Mode Selection
8.4.2
Shutdown With Output High Impedance
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Switched-Capacitor Boost Regulator
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Recommended Capacitor Types
9.2.1.2.2
Output Capacitor And Output Voltage Ripple
9.2.1.2.3
Input Capacitor And Input Voltage Ripple
9.2.1.2.4
Flying Capacitors
9.2.1.2.5
Recommended Capacitance
9.2.1.3
Application Curves
9.2.2
USB OTG / Mobile HDMI Power Supply
9.2.3
Supercapacitor Flash Driver
9.2.4
LED Driver
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
5 Device Options
Table 1. Mode Selection Definition
M0
M1
OUTPUT VOLTAGE MODE
0
0
Device shutdown, output high impedance
0
1
5 V
1
0
4.5 V
1
1
4.1 V