SLUSFX1C
February 2025 – June 2026
TPS628521-Q1
,
TPS628522-Q1
,
TPS628523-Q1
PRODMIX
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
6
Device and Documentation Support
6.1
Device Support
6.1.1
Third-Party Products Disclaimer
6.2
Receiving Notification of Documentation Updates
6.3
Support Resources
6.4
Trademarks
6.5
Electrostatic Discharge Caution
6.6
Glossary
7
Revision History
8
Mechanical, Packaging, and Orderable Information
1
Features
AEC-Q100 qualified for automotive applications
Device temperature grade 1:
–40°C to +125°C T
A
Wettable flanks
Designed for low EMI requirements
Optional pseudo-random spread spectrum reduces peak emissions
T
J
= –40°C to +150°C
Family of 1A, 2A, and 3A (continuous) converters
Input voltage range: 2.7V to 6V
Quiescent current: 21µA typical
Shutdown current: 1.5µA typical
Output voltage from 0.6V to 5.5V
Output voltage accuracy ±1% (PWM operation)
Options of forced PWM or PWM, PFM operation
Switching frequency in PWM: 2.25MHz
Adjustable soft start-up to 10ms
Precise ENABLE input allows:
User-defined undervoltage lockout
Exact sequencing
Active output discharge
Foldback overcurrent protection – optional
Power-good output with window comparator