SLVSCB2D
October 2013 – April 2018
TPS7B67-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Adjustable Output Option
Fixed Output Option
4
Revision History
5
Device Comparison
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
Timing Requirements
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagrams
8.3
Feature Description
8.3.1
Enable (EN)
8.3.2
Regulated Output (VOUT)
8.3.3
Power-On-Reset (RESET)
8.3.4
Reset Delay Timer (DELAY)
8.3.5
Adjustable Output Voltage (ADJ for TPS7B6701)
8.3.6
Undervoltage Shutdown
8.3.7
Thermal Shutdown
8.3.8
Thermal Protection
8.4
Device Functional Modes
8.4.1
Operation With VIN < 4 V
8.4.2
Operation With EN Control
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
Power Dissipation and Thermal Considerations
9.2.3
Application Curves
10
Power Supply Recommendations
10.1
Dropout Recovery
10.1.1
LDO Dropout Recovery Explained
10.1.2
TPS7B67xx-Q1 Dropout During Startup
11
Layout
11.1
Layout Guidelines
11.1.1
Enhanced Thermal Pad
11.1.2
Package Mounting
11.1.3
Board Layout Recommendations to Improve PSRR and Noise Performance
11.1.4
Additional Layout Considerations
11.2
Layout Example
12
Device and Documentation Support
12.1
Related Links
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
7.7
Typical Characteristics
Figure 1.
Line Regulation
(V
O
= 1.5 V, I
L
= 100 mA)
Figure 3.
Quiescent Current vs Input Voltage
(V
O
= 1.5 V)
Figure 5.
Quiescent Current vs Input Voltage
(V
O
= 18 V)
Figure 7.
Load Regulation
(V
I
= 14 V, V
O
= 1.5 V)
Figure 9.
ESR Stability vs Load Capacitance
(V
O
≥ 2.5 V)
Figure 11.
Output Voltage vs Supply Voltage
(Fixed 3.3-V Version, I
L
= 0)
Figure 13.
Short to GND Current-Limit vs Temperature
Figure 15.
Load Transient
10-µF Ceramic Output Capacitor
Figure 2.
Ground Current vs Output Current
(V
I
= 14 V, V
O
= 1.5 V)
Figure 4.
Ground Current vs Output Current
(V
I
= 24 V, V
O
= 18 V)
Figure 6.
Dropout Voltage vs Output Current
Figure 8.
ESR Stability vs Load Capacitance
(V
O
≤ 2.5 V)
Figure 10.
Output Voltage vs Supply Voltage
(Fixed 5-V Version, I
L
= 0)
Figure 12.
Power-Supply Rejection Ratio vs Frequency
(V
I
= 14 V, C
O
= 47 µF, I
L
= 25 mA)
Figure 14.
Current-Limit vs Temperature