SLVAFE7
September 2022
LM51551
Abstract
Trademarks
1
Introduction
1.1
Design Specification and Key Challenges
2
High-Voltage Power Supply Design Using SEPIC
2.1
TI HV Supply Architecture Using SEPIC Topology
2.2
Switching Frequency Shift
2.3
Voltage Control by External Signal
3
Test Result
3.1
Efficiency and Power Consumption (100 kHz vs 250 kHz)
3.2
Linearity of Output Voltages vs VBIAS
3.3
Output Ripple Measurement
3.4
Load Transient Test
3.5
Overload Protection
3.6
Thermal Image
4
Summary
5
References
5
References
Texas Instruments,
Designing Bipolar High Voltage SEPIC Supply for Ultrasound Smart Probe
application note
Texas Instruments,
Programmable ±100-V, High-Current, Floating Linear Regulator Reference Design for Ultrasound Systems
tool page
Texas Instruments,
Programmable ±100-V, High-Current, Floating Linear Regulator Reference Design for Ultrasound Systems
design guide