TPS5130-Q1 - Automotive Catalog Triple Synchronous Buck Controller with LDO Controller

TPS5130-Q1是TI德州仪器公司的一款控制器（外部开关）产品，TPS5130-Q1是Automotive Catalog Triple Synchronous Buck Controller with LDO Controller，本站介绍了TPS5130-Q1的封装应用图解、特点和优点、功能等，并给出了与TPS5130-Q1相关的TI元器件型号供参考。

TPS5130-Q1 - Automotive Catalog Triple Synchronous Buck Controller with LDO Controller - 控制器（外部开关） - DC/DC开关稳压器 - 德州仪器

产品描述

The TPS5130 is composed of three independent synchronous buck regulator controllers (SBRC) and one low dropout (LDO) regulator controller. On-chip high-side and low-side synchronous rectifier drivers are integrated to drive less expensive N-channel MOSFETs. The LDO controller can also drive an external N-channel MOSFET. Because the input current ripple is minimized by operating 180° out of phase, it allows a smaller input capacitance, resulting in reduced power supply cost. The SBRC of the TPS5130 automatically adjusts from PWM mode to SKIP mode to maintain high efficiency under light-load conditions. Resistorless current protection for the synchronous buck controller and the fixed high-side driver voltage simplifies the system design and reduces the external parts count. The LDO controller has a current-limit protection and overshoot protection to suppress output voltage spikes at load transient. To further extend battery life, the TPS5130 features dead-time control and very low quiescent current.

产品特性

Qualified for Automotive Applications
Three Independent Step-Down DC/DC Controllers and One LDO Controller
Input Voltage Range
- Switcher: 4.5 V to 28 V
- LDO: 1.1 V to 3.6 V
Output Voltage Range
- Switcher: 0.9 V to 8.5 V
- LDO: 0.9 V to 2.5 V
Synchronous for High Efficiency
Precision Vref (±1.5%)
PWM Mode Control : 500-kHz Operation (Max)
Auto PWM/SKIP Mode Available
High-Speed Error Amplifier
Overcurrent Protection With Temperature Compensation Circuit for Each Channel
Overvoltage and Undervoltage Protection
Programmable Short-Circuit Protection
Power Good Output (PGOUT) With Programmable Delay Time
5-V and 3.3-V Linear Regulators
APPLICATIONS
- Notebook PCs, PDAs
- Consumer Game Systems
- DSP Applications

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