參數(shù)資料
型號: P95020NQG8
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 電源管理
英文描述: 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC132
封裝: 10 X 10 MM, 0.85 MM HEIGHT, QFN-132
文件頁數(shù): 8/169頁
文件大?。?/td> 4297K
代理商: P95020NQG8
IDTP95020
Product Datasheet
September 2, 2011 Revision 1.3 Final
105
2011 Integrated Device Technology, Inc.
BOOST5 REGULATOR
Features
Current Mode Control, internally compensated
Operation in PWM Mode
Low Noise 0.5MHz or 1MHz fixed frequency
Peak Efficiency up to 91%
Initialization and Power Sequencing can be
controlled by host and registers
Output Voltage adjustable in 50mV steps
from 4.05V to 5.0V
Current Output: 700mA continuous at 5V (VIN ≥ 3.6V)
Inductor Peak Current Limit / Soft Start
- Internal current sensing determines
peak inductor current
- Soft Start circuitry
Description
The BOOST5 regulator is a synchronous, fixed frequency
boost converter, delivering high power to the Class D
Audio Power Amplifier and LDOs requiring input voltages
greater than the system voltage. Capable of supplying
5.0V at 700mA, the device contain an internal NMOS
switch and PMOS synchronous rectifier.
A switching frequency of 1.0MHz minimizes thr solution
footprint by allowing the use of tiny, low profile inductors.
The current mode PWM design is internally compensated,
reducing external parts count.
Figure 32. BOOST5 Block Diagram
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