MFG:Texas Instruments (VA) Category:Integrated Circuits (ICs) Package Cooled:n/a D/C:09+
TPS51222RSMT, TPS51222RTVR, TPS5124 Datasheet download
Category: Integrated Circuits (ICs)
MFG: Texas Instruments (VA)
Package Cooled: n/a
D/C: 09+
Description: IC DUAL SYNC BCK REG CTRLR 32QFN
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PDF/DataSheet Download
Datasheet: TPS
File Size: 42204 KB
Manufacturer:
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PDF/DataSheet Download
Datasheet: TPS
File Size: 42204 KB
Manufacturer:
Download : Click here to Download
PDF/DataSheet Download
Datasheet: TPS5124
File Size: 339968 KB
Manufacturer: TI
Download : Click here to Download
| Technical/Catalog Information | TPS51222RTVR |
| Vendor | Texas Instruments (VA) |
| Category | Integrated Circuits (ICs) |
| Type | Step-Down (Buck) |
| Number of Outputs | 2 |
| Voltage - Input | 4.5 ~ 32 V |
| Voltage - Output | 1 ~ 12 V |
| Current - Output | - |
| Power - Output | 1.7W |
| Package / Case | 32-QFN |
| Packaging | Cut Tape (CT) |
| Internal Switch(s) | No |
| Synchronous | Yes |
| Rds (On) | - |
| Operating Temperature | -40°C ~ 85°C |
| Frequency - Switching | 200kHz ~ 1MHz |
| Drawing Number | * |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | TPS51222RTVR TPS51222RTVR 296 24130 1 ND 296241301ND 296-24130-1 |
The TPS5124 is dual independent high efficiency synchronous step-down controller. It supports a lowvoltage/high-current power supply applications that use either a 5-V or 12-V bus voltage. Since both controllers of the TPS5124 operate 180 degree out-of-phase, the input current ripple is minimized resulting in a smaller input capacitance and reduced power supply cost.
The current protection circuit detects the drain-to-source voltage drop across the high-side and low-side power MOSFET while it is conducting. Also, the current protection circuit has a temperature coefficient to compensate for the
RDS(on) variation of the MOSFET. This resistor-less current protection and built-in boost diode simplify the system design and reduces the external parts count. Other features such as undervoltage lockout, overvoltage, undervoltage, and programmable short-circuit protection promote system reliability.
| TPS5124 | UNIT | ||
| Input voltage range | VCC, STBY1, STBY2, TRIP1, TRIP2 | −0.3 to 16 | V |
| LH1, LH2 wrt GND | −0.3 to 22 | ||
| LH1, LH2 (wrt the corresponding LL terminal) | −0.3 to 6 | ||
| SS1, SS2, CT, INV1, INV2, SCP, VLSD | −0.3 to 6 | ||
| Onput voltage range | OUT1_U, OUT2_U | −1 to 22 | |
| OUT1_U, OUT2_U (wrt the corresponding LL terminal) | −0.3 to 6 | ||
| LL1, LL2 | −1 to 16 | ||
| OUT1_D, OUT2_D, VREF5, FB1, FB2 | −0.3 to 6 | ||
| OUTGND1, OUTGND2 | −0.3 to 0.3 | ||
| REF | −0.3 to 3 | ||
| Onput current range | VREF5 | 50 | mA |
| VREF | 5 | ||
| Operating free-air temperature range, TA | −40 to 85 | ||
| Storage temperature range, Tstg | −55 to 150 | ||
| Junction temperature range, TJ | -40 | ||
| Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds | 300 | ||
High Efficiency − No Current Sense Resistor Required, RDS(on) Overcurrent Detection with Temperature Compensation
Adjustable Output Voltage Down to 0.9 V
Voltage-Mode PWM Control: Maximum 500-kHz Operation
180° Out-of-Phase Control
Individual Standby and Soft-Start for Each Channel − Easy Power Sequencing
Overvoltage and Undervoltage Protection
Built-In Boot-Strap Diode
Built-In 5-V Linear Regulator
Accurate ± 1% 0.85-V Reference
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