TPS546B24ARVFR
Voltage Regulators - DC DC Switching Regulators
Technical Specifications
| Type | Description |
|---|---|
| Output Type | Adjustable |
| Output Voltage | 3.05 V |
| Output Current | 20 A |
| Function | Step-down type |
| Working Voltage V | 10.475 V |
| Switching Freq Hz | 1.5 MHz |
| Channels | 1 |
| Type | Description |
|---|---|
| Iq A | 0.013 A |
| Switch tube (built-in/external) | Built-in |
| Operating Temp | -40°C ~ +150°C @(TJ) |
| Features | Adjustable current limiting;Adjustable soft-start;Frequency synchronization;Output voltage differential sensing;Operating status indication;Overcurrent Protection |
| Topology | Buck |
| Package / Case | LQFN-CLIP-40 |
Product Introduction
Dual supply support: 2.95V to 18V PVIN; 2.95V to 18V AVIN (4VIN VDD5 switching voltage)
Integrated 5.5mΩ/1.8mΩ MOSFETs
Average current mode control with optional internal compensation
2×, 3×, 4× stackable, current sharing up to 80A, single address per output supported
Pin-strap selectable output voltage range: 0.5V to 5.5V; PMBus VOUT_COMMAND range: 0.25V to 5.5V
Comprehensive PMBus command set with telemetry for VOUT, IOUT, and internal die temperature
Differential remote sensing via internal feedback resistor divider, detects VOUT error less than 1%, TJ: -40°C to +150°C
AVS and margining via PMBus
MSEL pin for pin-programmed PMBus defaults
12 selectable switching frequencies between 225kHz and 1.5MHz (8 pin-strap options)
Frequency sync input/sync output
Pre-biased output support
Strongly coupled inductor support
Features
- Dual supply support: 2.95V to 18V PVIN; 2.95V to 18V AVIN (4VIN VDD5 switching voltage)
- Integrated 5.5mΩ/1.8mΩ MOSFETs
- Average current mode control with optional internal compensation
- 2×, 3×, 4× stackable with current sharing up to 80A, single address per output supported
- Optional output voltage range via pin-strapping: 0.5V to 5.5V; via PMBus VOUT_COMMAND: 0.25V to 5.5V
- Extensive PMBus command set with VOUT, IOUT, and internal die temperature telemetry
- Differential remote sensing via internal feedback voltage divider, detects VOUT error less than 1%, TJ: -40°C to +150°C
- AVS and margining via PMBus
- MSEL pin for pin-programmable PMBus defaults
- 12 selectable switching frequencies between 225kHz and 1.5MHz (8 pin-strapping options)
- Frequency sync input/sync output
- Pre-biased output support
- Coupled inductor support
Applications
- - Data center switches, rack-mount servers - Active antenna systems, remote radio and baseband units - Automated test equipment, CT, PET, and MRI - ASIC, SoC, FPGA, DSP core and I/O voltages
Datasheet
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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