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TPS62400-Q1, TPS62402-Q1, TPS6...
Product Folder
Sample & Buy
Technical Documents
Tools & Software
Support & Community
TPS62400-Q1, TPS62402-Q1, TPS62404-Q1, TPS62405-Q1
SLVSA67E – FEBRUARY 2010 – REVISED JUNE 2015
TPS6240x-Q1 2.25-MHz 400-mA and 600-mA Dual Step-Down Converter
1 Features
1 Qualified for Automotive Applications AEC-Q100 Qualified With the Following Results:
– Device Temperature Grade 1: –40°C to 125°C Operating Junction Temperature Range
– Device HBM ESD Classification Level H2 – Device CDM ESD Classification Level C4B High Efficiency—Up to 95% VIN Range From 2.5 V to 6 V 2.25-MHz Fixed-Frequency Operation Output Current 400 mA and 600 mA Adjustable Output Voltage From 0.6 V to VIN Pin Selectable Output Voltage Supports Simple Dynamic Voltage Scaling EasyScale™ Optional One-Pin Serial Interface Power-Save Mode at Light Load Currents 180° Out-of-Phase Operation Output-Voltage Accuracy in PWM Mode ±1% Typical 32-μA Quiescent Current for Both Converters 100% Duty Cycle for Lowest Dropout
2 Applications
Automotive Point of Load
Regulator (POL) Car Infotainment and Navigation Systems ADAS Applications
VIN 2.5 V to 6 V 10 µF
Simplified Schematic
TPS62402-Q1
VIN FB1
SW1
2.2 µH
VOUT1 = 1.2 V 400 mA
EN1
DEF_1
10 µF
EN2
MODE/ DATA
SW2
2.2 µH
ADJ2 GND
VOUT2 = 3.3 V 600 mA
10 µF
3 Description
The TPS6240x-Q1 family of devices are synchronous dual step-down DC-DC converters optimized for battery-powered portable applications and automotive systems....
