LP3907-Q1是TI公司的一款无产品，LP3907-Q1是具有 I2C 兼容接口的双路高电流降压 DC/DC 和双路线性稳压器，本页介绍了LP3907-Q1的产品说明、应用、特性等，并给出了与LP3907-Q1相关的TI元器件型号供参考。
LP3907-Q1 - 具有 I2C 兼容接口的双路高电流降压 DC/DC 和双路线性稳压器 - 无 - 电源管理多通道IC(PMIC)解决方案 - TI公司（Texas Instruments，德州仪器）
- Input Voltage Range: 2.8 V to 5.5 V
- Compatible with Advanced Applications Processors and FPGAs
- 2 LDOs for Powering Internal Processor Functions and I/Os
- High-Speed Serial Interface for Independent Control of Device Functions and Settings
- Precision Internal Reference
- Thermal Overload Protection
- Current Overload Protection
- Software Programmable Regulators
- External Power-On-Reset Function for Buck1 and Buck2 (Power Good with Delay Function)
- Undervoltage Lockout Detector to Monitor Input Supply Voltage
- Step-Down DC-DC Converter (Buck)
- Programmable VOUT from:
- Buck1 : 0.8 V - 2 V at 1 A
- Buck2 : 1 V - 3.5 V at 600 mA
- Up to 96% Efficiency
- 2.1-MHz PWM Switching Frequency
- PWM-to-PFM Automatic Mode Change Under Low Loads
- ±3% Output Voltage Accuracy
- Automatic Soft Start
- Programmable VOUT from:
- Linear Regulators (LDO)
- Programmable VOUT of 1 V to 3.5 V
- ±3% Output Voltage Accuracy
- 300-mA Output Current
- 30-mV (typical) Dropout
- FPGA, DSP Core Power
- Applications Processors
- Peripheral I/O Power
The LP3907-Q1 is a multi-function, programmable Power Management Unit, optimized for low power FPGAs, microprocessors, and DSPs. This device integrates two highly efficient 1-A/600-mA step-down DC-DC converters with dynamic voltage management (DVM), two 300-mA linear regulators, and a 400-kHz I2C interface to allow a host controller access to the internal control registers of the device. The LP3907-Q1 additionally features programmable power-on sequencing. This device is an Automotive-Grade Product that is AECQ-100 Grade 1 Qualified.
| PART NUMBER | PACKAGE | BODY SIZE (NOM) |
|---|---|---|
| LP3907-Q1 | WQFN (24) | 4.00 mm x 4.00 mm |
| DSBGA (25) | 2.49 mm x 2.49 mm |
