SLVSBL0F
December 2012 – December 2017
TPS7A66-Q1
,
TPS7A69-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Hardware-Enable Option
Input-Voltage-Sensing Option
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Switching Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagrams
7.3
Feature Description
7.3.1
Enable (EN)
7.3.2
Regulated Output (VOUT)
7.3.3
Power-On Reset (PG)
7.3.4
Reset Delay Timer (CT)
7.3.5
Sense Comparator (SI and SO for TPS7A69-Q1)
7.3.6
Adjustable Output Voltage (FB for TPS7A6601-Q1)
7.3.7
Undervoltage Shutdown
7.3.8
Low-Voltage Tracking
7.3.9
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Regulation
7.4.2
Disabled
7.4.3
Operation With V(VinUVLO)< VIN < VIN(min)
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
TPS7A66-Q1 Typical Application
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Input Capacitor
8.2.1.2.2
Output Capacitor
8.2.1.3
Application Curve
8.2.2
TPS7A69-Q1 Typical Application
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.2.1
Low-Voltage Tracking Threshold
8.2.2.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Package Mounting
10.1.2
Board Layout Recommendations to Improve PSRR and Noise Performance
10.2
Layout Examples
10.3
Power Dissipation and Thermal Considerations
11
Device and Documentation Support
11.1
Related Links
11.2
Receiving Notification of Documentation Updates
11.3
Community Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
1
Features
Qualified for Automotive Applications
AEC-Q100 Test Guidance With the Following:
Device Temperature Grade 1
Device Temperature Grade 0 (TPS7A6650EDGNRQ1 Only)
Device HBM ESD Classification Level H2
Device CDM ESD Classification Level C4
Device Junction Temperature Range:
–40°C to +150°C
4-V to 40-V Wide Vin Input Voltage Range With up to 45-V Transient
Output Current: 150 mA
Low Quiescent Current, I
(q)
:
2 µA When EN = Low (Shutdown Mode)
12 µA Typical at Light Loads
Low ESR Ceramic Output Stability Capacitor (2.2 µF–100 µF)
300-mV Dropout Voltage at 150 mA
(Typical, V
(Vin)
= 4 V)
Fixed (3.3-V and 5-V) and Adjustable
(1.5-V to 5-V) Output Voltages
(Adjustable for TPS7A66-Q1 Only)
Low Input Voltage Tracking
Integrated Power-On Reset:
Programmable Reset-Pulse Delay
Open-Drain Reset Output
Integrated Fault Protection:
Thermal Shutdown
Short-Circuit Protection
Input Voltage Sense Comparator
(TPS7A69-Q1 Only)
Packages:
8-Pin SOIC-D for TPS7A69-Q1
8-Pin HVSSOP-DGN for TPS7A6601-Q1