Texas Instruments LP3906
The LP3906 is a multi-function, programmable Power Management Unit, optimized for low power FPGAs, Microprocessors and DSPs. The LP3906 additionally features programmable power-on sequencing and is offered in a tiny 5 x 4 x 0.8mm WQFN-24 pin package.| Part No. | LP3906 |
|---|---|
| Datasheet | LP3906 Download |
| Manufacturer |  Texas Instruments |
| Description | Dual High-Current Step-Down DC/DC and Dual Linear Regulator |
| Buy | Stock & Price |
FEATURES
1●2 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
● 24-lead 5 × 4 × 0.8 mm WQFN Package
● Software Programmable Regulators
APPLICATIONS
● FPGA, DSP Core Power●
APPLICATIONS
Processors● Peripheral I/O Power KEY SPECIFICATIONS
● DC/DC Converter (Buck) – 1.5A Output Current – Programmable VOUT from: – Buck1 : 0.8V–2.0V – Buck2 : 1.0V–3.5V – Up to 96% Efficiency – 2 MHz PWM Switching Frequency – ±3% Output Voltage Accuracy – Automatic Soft Start
● Linear Regulators (LDO) – Programmable VOUT of 1.0V–3.5V – ±3% Output Voltage Accuracy – 300 mA Output Currents – 25 mW (Typ) Dropout
DESCRIPTION
Typical Application Circuits 0.47 PF 1 PF 1 PF 0.47 PF EN_T ENLDO1 ENLDO2 ENSW1 ENSW2 LDO1 VINLDO1 VINLDO2 LDO2 SDA SCL GND_L GND_C VINLDO12 SYNC VIN1 LP3906 SW1 FB1 GND_SW1 VIN2 DAP SW2 FB2 GND_SW2 AVDD 1 PF 10 PF 2.2 PH 10 PF 10 PF 2.2 PH 10 PF 1 PF Figure 1.
