ADP3209CJCPZ-RL

更新时间： 2024-02-23 16:54:17

品牌	Logo	应用领域
安森美 - ONSEMI		控制器
页数	文件大小	规格书
32页	752K
描述
5-Bit, Programmable, Single-Phase, Synchronous Buck Controller

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中文翻译

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数据手册

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ADP3209CJCPZ-RL 数据手册

5-Bit, Programmable, Single-Phase,

Synchronous Buck Controller

ADP3209

FEATURES

GENERAL DESCRIPTION

Single-chip solution

Fully compatible with the Intel® GMCH chipset voltage

regulator specifications

Integrated MOSFET drivers

8 mꢀ worst-case differentially sensed core voltage error

over temperature

Automatic power-saving modes maximize efficiency during

light load operation

Soft transient control reduces inrush current and audio noise

Independent current limit and load line setting inputs for

additional design flexibility

The ADP3209 is a highly efficient, single-phase, synchronous

buck switching regulator controller. With its integrated drivers,

the ADP3209 is optimized for converting the notebook battery

voltage to render the supply voltage required by high performance

Intel chipsets. An internal 5-bit DAC is used to read a VID code

directly from the chipset and to set the GMCH core voltage to a

value within the range of 0.4 V to 1.25 V.

The ADP3209 uses a multimode architecture. It provides program-

mable switching frequency that can be optimized for efficiency

depending on the output current requirement. In addition, the

ADP3209 includes a programmable load line slope function to

adjust the output voltage as a function of the load current so that

the core voltage is always optimally positioned for a load transient.

The ADP3209 also provides accurate and reliable current overload

protection and a delayed power-good output. The IC supports

on-the-fly output voltage changes requested by the chipset.

Built-in power-good masking supports

voltage identification (ꢀID) on-the-fly transients

5-bit, digitally programmable DAC with 0.4 ꢀ to 1.25 ꢀ output

Short-circuit protection with programmable latch-off delay

Output power or current monitor options

32-lead LFCSP

APPLICATIONS

Notebook power supplies for next-generation Intel chipsets

The ADP3209 is specified over the extended commercial tempera-

ture range of 0°C to 100°C and is available in a 32-lead LFCSP.

FUNCTIONAL BLOCK DIAGRAM

RAMP VRPM RPM

BST

OSCILLATOR

DRV

ODB

ODA

DRVH

PVCC

DRVL

PWM

RAMP

PWM

LATCH

GENER-

CMPS

PHASE

CONTROL

ATOR

PGND

–

SWITCH

AMPS

VREF

COMP

VID4

VID3

VID2

VID1

VID0

ERR AMP

VDAC

–

VID

DAC

REFERENCE

SELECT

–

LLINE

–

FBRTN

CSAMP

CSFB

CSREF

CSCOMP

CLIM

CMP

VARFREQ

CLREF

CLTHSEL

HOUSE-

KEEPING

–

PWRGD

CLIM

REFTH

REF

BIAS

VCC

GND

UVLO

CSAVG

–

VREF

PMON

PWM

ADP3209

FBRTN

PMON PMONFS

Figure 1.

January 2008 – Rev. 2

Publication Order Number:

ADP3209/D

12 3 4 5 6 7...32

中文翻译

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与ADP3209CJCPZ-RL相关器件

型号	品牌	获取价格	描述	数据表
ADP3209DJCPZ-RL	ROCHESTER	获取价格	SWITCHING CONTROLLER, 20000 kHz SWITCHING FREQ-MAX, QCC32, 5 X 5 MM, 0.50 MM PITCH, LEAD F
ADP3209DJCPZ-RL	ONSEMI	获取价格	Synchronous Buck Controller, 5-Bit, Programmable, Single-Phase
ADP3209JCPZ-RL	ONSEMI	获取价格	5-Bit, Programmable, Single-Phase, Synchronous Buck Controller
ADP320ACPZ-110-R7	ADI	获取价格	Triple, 200 mA, Low Noise, High PSRR Voltage Regulator
ADP320ACPZ331815R7	ADI	获取价格	Triple, 200 mA, Low Noise, High PSRR Voltage Regulator
ADP3210	ONSEMI	获取价格	7-Bit Programmable Multiphase Mobile CPU Synchronous
ADP3210MNR2G	ONSEMI	获取价格	7-Bit Programmable Multiphase Mobile CPU Synchronous
ADP3211	ONSEMI	获取价格	IMVP6.5, 7-Bit, Programmable, Single-Phase, Synchronous Buck Controller
ADP32110091MNR2G	ONSEMI	获取价格	同步降压控制器，7 位，可编程，单相
ADP3211AMNR2	ONSEMI	获取价格	SWITCHING CONTROLLER, 400kHz SWITCHING FREQ-MAX, QCC32, 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PIT

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