TI TPS65131RGET 2A Dual Adjustable Switching Regulator Boost 2.7-5.5V In VQFN-24

Description

TI TPS65131RGET 2A Dual Adjustable Switching Regulator Boost 2.7-5.5V VQFN-24
The TPS6513x is dual-output DC-DC converter generating a positive output voltage up to 15 V and a negative output voltage down to –15 V with output currents in a 200-mA range in typical applications, depending on input voltage to output voltage ratio. With a total efficiency up to 85%, the device is ideal for portable battery-powered equipment. The input voltage range of 2.7 V to 5.5 V allows the devices to be powered from batteries or from fixed 3.3-V or 5-V supplies. The TPS6513x comes in a small 4-mm × 4- mm VQFN-24 package. Together with a minimum switching frequency of 1.25 MHz, the device enables designing small power supply applications because it requires only a few small external components. The converter operates with a fixed frequency PWM control topology and, if power-save mode is enabled, it uses a pulse-skipping mode at light-load currents. It operates with only 500-µA device quiescent current. Independent enable pins allow power-up and powerdown sequencing for both outputs. The device has an internal current limit overvoltage protection and a thermal shutdown for highest reliability under fault conditions.
SPECIFICATIONS
Manufacturer: Texas Instruments
Part Number: TPS65131RGET / TPS65131RGER / TPS65131RGETG4 / TPS65131RGERG4
Product Category: Switching Voltage Regulators
Mounting Style: SMD/SMT
Package / Case: VQFN-24
Topology: Boost
Output Voltage: Adjustable
Output Current: 2 A
Number of Outputs: 2 Output
Input Voltage MAX: 5.5 V
Input Voltage MIN: 2.7 V
Switching Frequency: 1.38 MHz
Minimum Operating Temperature: - 40 C
Maximum Operating Temperature: + 85 C
Series: TPS65131
Input Voltage: 2.7 V to 5.5 V
Product: Voltage Regulators
Type: LCD Bias
Moisture Sensitive: Yes
Operating Supply Current: 500 uA
Subcategory: PMIC - Power Management ICs
FEATURES
2.7-V to 5.5-V Input Voltage Range
Dual Adjustable Output Voltages Up to 15 V and Down to –15 V
800-mA Typical Switch Current Limit at Boost and Inverter Main Switches at TPS65130
2-A Typical Switch Current Limit at Boost and Inverter Main Switches at TPS65131Up to 89% Efficiency at Positive Output Voltage Rail
Up to 81% Efficiency at Negative Output Voltage Rail
Power-Save Mode for High Efficiency at Low Load Currents
Independent Enable Inputs for Power-Up and Power-Down Sequencing
Control Output for External PFET to Support Completely Disconnecting the Battery
Minimum 1.25-MHz Fixed Frequency PWM Operation
Thermal Shutdown
Overvoltage Protection on Both Outputs
1-µA Shutdown Current
Small 4-mm × 4-mm VQFN-24 Package (RGE)
APPLICATIONS
Industrial Applications
Data Acquisition
Audio
General-Purpose Split-Rail Supplies
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