TPS53126 - 双路同步用于低压电源轨的降压控制器，频率为 350kHz 或 700kHz

TPS53126是TI德州仪器公司的一款控制器（外部开关）产品，TPS53126是双路同步用于低压电源轨的降压控制器，频率为 350kHz 或 700kHz，本站介绍了TPS53126的封装应用图解、特点和优点、功能等，并给出了与TPS53126相关的TI元器件型号供参考。

TPS53126 - 双路同步用于低压电源轨的降压控制器，频率为 350kHz 或 700kHz - 控制器（外部开关） - DC/DC开关稳压器 - 德州仪器

产品特性

D-CAP2™ Mode Control
- Fast Transient Response
- No External Parts Required For Loop Compensation
- Compatible with Ceramic Output Capacitors
High Initial Reference Accuracy (±1%)
Low Output Ripple
Wide Input Voltage Range: 4.5 V to 24 V
Output Voltage Range: 0.76 V to 5.5 V
Low-Side RDS(on) Loss-Less Current Sensing
Adaptive Gate Drivers with Integrated Boost Diode
Internal 1.2 ms Voltage-Servo Soft Start
Pre-Biased Soft Start
Selectable Switching Frequency: 350 kHz / 700 kHz
Cycle-by-Cycle Over-Current Limiting Control
30 mV to 300 mV OCP Threshold Voltage
Thermally Compensated OCP by 4000 ppm/C° at ITRIP

产品应用

Point-of-Load Regulation in Low Power Systems for Wide Range of Applications
- Digital TV Power Supply
- Networking Home Terminal
- Digital Set Top Box (STB)
- DVD Player/Recorder
- Gaming Consoles and Other

产品说明

The TPS53126 is a dual, adaptive on-time, D-CAP2™ mode synchronous Buck controller. The TPS53126 enables system designers to complete the suite of various end equipment's power bus regulators with a cost effective, low external component count, and low standby current solution. The main control loop for the TPS53126 uses the D-CAP2™ mode control which provides a very fast transient response with no external components. The TPS53126 also has a proprietary circuit that enables the device to adapt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device provides convenient and efficient operation with input voltages from 4.5 V to 24 V and output voltages from 0.76 V to 5.5 V.

The TPS53126 is available in 4mm x 4mm 24 pin VQFN (RGE) or 24 pin TSSOP (PW) packages and is specified from –40°C to 85°C ambient temperature range.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS53126	VQFN (24)	4.00 mm x 4.00 mm
TPS53126	TSSOP (24)	7.80 mm x 4.40 mm

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TPS53126 - 双路同步 用于低压电源轨的降压控制器，频率为 350kHz 或 700kHz

TPS53126 - 双路同步用于低压电源轨的降压控制器，频率为 350kHz 或 700kHz