Datasheet > ADP3192

ADP3192

更新时间： 2024-11-30 04:31:39

品牌	Logo	应用领域
亚德诺 - ADI		控制器
页数	文件大小	规格书
32页	1041K
描述
8-Bit Programmable 2- to 4-Phase Synchronous Buck Controller

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ADP3192 数据手册

8-Bit Programmable 2- to 4-Phase

Synchronous Buck Controller

ADP3192

FUNCTIONAL BLOCK DIAGRAM

FEATURES

VCC

RT RAMPADJ

12 13

Selectable 2-, 3-, or 4-phase operation at up to

1 MHz per phase

±±7± ꢀV worst-case differential sensing error over

teꢀperature

Logic-level PWM outputs for interface to external high

power drivers

Enhanced PWM flex ꢀode for excellent load transient

perforꢀance

SHUNT

REGULATOR

OSCILLATOR

UVLO

SHUTDOWN

SET EN

RESET

GND

PWM1

PWM2

PWM3

CMP

–

850mV

RESET

CMP

–

DAC

+ 150mV

–

RESET

CMP

Active current balancing between all output phases

Built-in power-good/crowbar blanking supports on-the-fly

VID code changes

–

2/3/4-PHASE

CSREF

DRIVER LOGIC

RESET

27 PWM4

–

CMP

–

DAC

– 350mV

CURRENT

LIMIT

Digitally prograꢀꢀable 075 V to 176 V output supports both

VR107x and VR11 specifications

DELAY

PWRGD

CROWBAR

SW1

SW2

Prograꢀꢀable short-circuit protection with prograꢀꢀable

latch-off delay

TTSENSE

VRHOT

THERMAL

THROTTLING

CONTROL

23 SW3

VRFAN

SW4

APPLICATIONS

CSCOMP

CSREF

ILIMIT

Desktop PC power supplies for

Next generation Intel® processors

VRM ꢀodules

CURRENT

MEASUREMENT

AND LIMIT

–

DELAY

CSSUM

IMON

IREF

–

COMP

GENERAL DESCRIPTION

PRECISION

LLSET

The ADP3192¹is a highly efficient, multiphase, synchronous buck

switching regulator controller optimized for converting a 12 V

main supply into the core supply voltage required by high per-

formance Intel processors. It uses an internal 8-bit DAC to read

a voltage identification (VID) code directly from the processor,

which is used to set the output voltage between 0.5 V and 1.6 V.

REFERENCE

–

BOOT

FBRTN

VIDSEL

VOLTAGE

AND

SOFT START

CONTROL

VID DAC

ADP3192

VID7 VID6 VID5 VID4 VID3 VID2 VID1 VID0

Figure 1.

This device uses a multimode PWM architecture to drive the

logic-level outputs at a programmable switching frequency that

can be optimized for VR size and efficiency. The phase relation-

ship of the output signals can be programmed to provide 2-, 3-,

or 4-phase operation, allowing for the construction of up to

four complementary buck switching stages.

The ADP3192 has a built-in shunt regulator that allows the part

to be connected to the 12 V system supply through a series resistor.

The ADP3192 is specified over the extended commercial

temperature range of 0°C to 85°C and is available in a

40-lead LFCSP.

The ADP3192 also includes programmable no load offset and

slope functions to adjust the output voltage as a function of the

load current, optimally positioning it for a system transient. The

ADP3192 also provides accurate and reliable short-circuit

protection, adjustable current limiting, and a delayed power-

good output that accommodates on-the-fly output voltage

changes requested by the CPU.

¹Protected by U.S. Patent Number 6,683,441; other patents pending.

Rev7 0

Inforꢀation furnished by Analog Devices is believed to be accurate and reliable7 However, no

responsibility is assuꢀed by Analog Devices for its use, nor for any infringeꢀents of patents or other

rights of third parties that ꢀay result froꢀ its use7 Specifications subject to change without notice7 No

license is granted by iꢀplication or otherwise under any patent or patent rights of Analog Devices7

Tradeꢀarks and registeredtradeꢀarks arethe property of their respective owners7

One Technology Way, P7O7 Box 9106, Norwood, MA 02062-9106, U7S7A7

Tel: ±81732974±00

Fax: ±81746173113

www7analog7coꢀ

12 3 4 5 6 7...32

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与ADP3192相关器件

型号	品牌	获取价格	描述	数据表
ADP3192A	ADI	获取价格	8-Bit Programmable 2- to 4-Phase Synchronous Buck Controller
ADP3192AJCPZ-RL	ADI	获取价格	8-Bit Programmable 2- to 4-Phase Synchronous Buck Controller
ADP3192JCPZ-RL	ADI	获取价格	8-Bit Programmable 2- to 4-Phase Synchronous Buck Controller
ADP3193	ADI	获取价格	4-Bit Programmable Synchronous Buck Controllers
ADP3193A	ADI	获取价格	8-Bit, Programmable, 2- to 3-Phase, Synchronous Buck Controller
ADP3193A	ONSEMI	获取价格	8-Bit, Programmable, 2- to 3-Phase, Synchronous Buck Controller
ADP3193AJCPZ-RL	ONSEMI	获取价格	8-Bit, Programmable, 2- to 3-Phase, Synchronous Buck Controller
ADP3193AJCPZ-RL	ADI	获取价格	8-Bit, Programmable, 2- to 3-Phase, Synchronous Buck Controller
ADP3193JCPZ-RL	ADI	获取价格	IC SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, QCC32, 5 X 5 MM, LEAD FREE, MO-220VH
ADP3194	ADI	获取价格	6-Bit, Programmable 2-/3-/4-Phase, Synchronous Buck Controller

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