TPS53353DQPR Integrated Circuit Chip 20A D-CAP™ Mode Synchronous SWIFT™ Buck Converter with 1.5V to 15V Input Voltage
TPS53353DQPR Integrated Circuit Chip 20A D-CAP™ Mode Synchronous SWIFT™ Buck Converter
TPS53353DQPR is a D-CAP™ mode, 20-A synchronous switcher with integrated MOSFETs. It is designed for ease of use, low external component count, and space-conscious power systems.
TPS53353DQPR features 5.5-mΩ / 2.2-mΩ integrated MOSFETs, accurate 1%, 0.6-V reference, and integrated boost switch. A sample of competitive features include: a conversion input voltage range from 1.5 V to 15 V, very low external component count, D-CAP™ mode control for super fast transient, auto-skip mode operation, internal soft-start control, selectable frequency, and no need for compensation.
| Parameter | Value |
|---|---|
| Mounting Style | SMD/SMT |
| Package / Case | LSON-22 |
| Topology | Buck |
| Output Voltage | 600 mV to 5.5 V |
| Output Current | 20 A |
| Number of Outputs | 1 Output |
| Input Voltage - Min | 1.5 V |
| Input Voltage - Max | 15 V |
| Quiescent Current | 10 uA |
| Switching Frequency | 250 kHz to 1 MHz |
| Minimum Operating Temperature | -40 ℃ |
| Maximum Operating Temperature | +85 ℃ |
| Input Voltage | 1.5 V to 15 V |
| Operating Supply Current | 320 uA |
- Conversion input voltage range: 1.5 V to 15 V
- VDD input voltage range: 4.5 V to 25 V
- 92% efficiency from 12 V to 1.5 V at 20 A
- Output voltage range: 0.6 V to 5.5 V
- 5-V LDO output
- Supports single-rail input
- Integrated power MOSFETs with 20 A of continuous output current
- Auto-skip Eco-mode™ for light-load efficiency
- < 10-µA shutdown current
- D-CAP™ mode with fast transient response
- Selectable switching frequency from 250 kHz to 1 MHz with external resistor
- Selectable auto-skip or PWM-only operation
- Built-in 1% 0.6-V reference
- 0.7-ms, 1.4-ms, 2.8-ms, and 5.6-ms selectable internal voltage servo soft start
- Integrated boost switch
- Precharged start-up capability
- Adjustable overcurrent limit with thermal compensation
- Overvoltage, undervoltage, UVLO, and overtemperature protection
- Supports all ceramic output capacitors
- Open-drain power-good indication
- Incorporates NexFET™ power block technology
- 22-pin QFN package with PowerPAD™
- Enterprise rack Servers and storage
- Wired networking switches and routers
- ASIC, SoC, FPGA, DSP core, and I/O voltage
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