--- 產(chǎn)品詳情 ---
具有 I2C 兼容接口的雙路高電流降壓直流/直流和雙路線性穩(wěn)壓器
Regulated outputs (#) | 4 |
Vin (Min) (V) | 2.7 |
Vin (Max) (V) | 5.5 |
Iout (Max) (A) | 1.5 |
Rating | Catalog |
LDO | 2 |
Iq (Typ) (mA) | 0.07 |
Features | Comm Control, Dynamic Voltage Scaling, Enable, Over Current Protection, Synchronous Rectification, Thermal Shutdown, UVLO Fixed |
Processor name | Generic |
Processor supplier | Generic |
Shutdown current (ISD) (Typ) (uA) | 0.04 |
Switching frequency (Typ) (kHz) | 2000 |
Configurability | Factory programmable, Software configurable |
- 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
Key Specifications
- DC/DC Converter (Buck)
- 1.5A Output Current
- Programmable VOUT from:Buck1 : 0.8V–2.0VBuck2 : 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
All trademarks are the property of their respective owners.
The LP3906 is a multi-function, programmable Power Management Unit, optimized for low power FPGAs, Microprocessors and DSPs.
This device integrates two highly efficient 1.5A Step-Down DC/DC converters with dynamic voltage management (DVM), two 300mA Linear Regulators and a 400kHz I2C compatible interface to allow a host controller access to the internal control registers of the LP3906. The LP3906 additionally features programmable power-on sequencing and is offered in a tiny 5 x 4 x 0.8mm WQFN-24 pin package.
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