1FEATURES
• For Boost, Flyback, SEPIC, LED Driver
Applications
• Wide Input Operating Voltage: 5.5 V to 52 V
• Adjustable Oscillator Frequency
• Fixed-Frequency Current-Mode Control
• Internal Slope Compensation
• Integrated Low-Side Driver
• Programmable Closed-Loop Soft Start
• Overcurrent Protection
• External Synchronization Capable
• Reference Voltage: 700 mV
• Low-Current Disable Function

APPLICATIONS
• Down-Hole Drilling
• High Temperature Environments

SUPPORTS EXTREME TEMPERATURE
APPLICATIONS
• Controlled Baseline
• One Assembly/Test Site
• One Fabrication Site
• Available in Extreme (–55°C/210°C)
Temperature Range(1)
• Extended Product Life Cycle
• Extended Product-Change Notification
• Product Traceability
• Texas Instruments high temperature products
utilize highly optimized silicon (die) solutions
with design and process enhancements to
maximize performance over extended
temperatures.
(1) Custom temperature ranges available

CONTENTS
Device Ratings 2
Electrical Characteristics 3
Typical Characteristics 5
Terminal Information 10
Application Information 12
Additional References 25
Design Examples 26

DESCRIPTION
The TPS40210 is a wide input voltage (5.5 V to 52 V)
non-synchronous boost controller. It is suitable for
topologies that require a grounded source N-channel FET, including boost, flyback, SEPIC, and various
LED driver applications. Device features include
programmable soft start, overcurrent protection with
automatic retry, and programmable oscillator
frequency. Current-mode control provides improved
transient response and simplified loop compensation.