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Details for TPS65270RGET by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
TPS65270RGET
Buy Directly from Texas Instruments (498 in stock) $1.0120
BUCK SYNC ADJ 2A/3A 24VQFN
TPS65270RGET image

TPS65270RGET by Texas Instruments

BUCK SYNC ADJ 2A/3A 24VQFN
Features
0.8 V, u00b11% Accuracy Reference
180u00b0 Out-of-Phase Operation to Reduce Input Capacitance and Power Supply Induced Noise
Adjustable Switching Frequency 300 kHz to 1.4 MHz Set by External Resistor
Available in 24-Lead Thermally Enhanced
Cycle-by-Cycle Overcurrent Protection
Dedicated Enable and Soft Start for Each Buck
Low-Power Pulse Skipping Mode to Achieve High Light Load Efficiency
Peak Current-Mode Control With Simple Compensation Circuit
Startup With a Prebiased Output Voltage
Up to 2-A (Buck 1) and 3-A (Buck 2) Maximum Continuous Output Loading Current
Wide Input Supply Voltage Range: 4.5 V to 18 V
Part Information
TPS65270RGET image
RoHS Compliant
Description
The TPS65270 is a monolithic, dual synchronous buck regulator with a wide operating input voltage that can operate in 5-V, 9-V, 12-V, or 15-V bus voltages and battery chemistries. The converters are designed to simplify its application while giving the designer the option to optimize their usage according to the target application. The TPS65270 features a precision 0.8-V reference and can produce output voltages up to 15 V. Each converter features an enable pin that allows dedicated control of each channel that provides flexibility for power sequencing. Soft-start time in each channel can be adjusted by choosing different external capacitors. TPS65270 is also able to start up with a prebiased output. The converter begins switching when output voltage reaches the prebiased voltage. Constant frequency peak current-mode control simplifies the compensation and provides fast transient response. Cycle-by-cycle overcurrent protection and hiccup mode operation limits MOSFET power dissipation in short-circuit or overloading fault conditions. Low-side reverse current protection also prevents excessive sinking current from damaging the converter.
Specifications
Input Voltage Min:
4.5V
Input Voltage Max:
18V
No. of Outputs:
2 Output, 2Outputs
DC / DC Converter IC Case:
VQFN
No. of Pins:
24Pins
Output Current - Output 1:
2A
Output Current - Output 2:
3A
Output Voltage - Output 1:
15V
Output Voltage - Output 2:
15V
Regulator Output Type:
Adjustable
Switching Frequency:
1.4MHz
Topology:
Synchronous Buck (Step Down)
Operating Temperature Max:
85°C
Product Range:
-
RoHS Phthalates Compliant:
Yes
MSL:
-
SVHC:
No SVHC (27-Jun-2018)
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +85°C
Output Current:
3A
Output Voltage:
15V
Output Voltage Min:
0.8V
Primary Input Voltage:
16V
Alternate Descriptions
Step Down Regulator with MOSFET 24-Pin VQFN EP T/R Avnet America
2 Buck Converter with 4.5V to 16V Input Voltage, 2A/3A Output Current Texas Instruments