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ADP3193AJCPZ-RL

更新时间： 2024-11-01 04:02:35

品牌	Logo	应用领域
亚德诺 - ADI		开关控制器
页数	文件大小	规格书
32页	1025K
描述
8-Bit, Programmable, 2- to 3-Phase, Synchronous Buck Controller

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ADP3193AJCPZ-RL 数据手册

8-Bit, Programmable, 2- to 3-Phase,

Synchronous Buck Controller

ADP3193A

FUNCTIONAL BLOCK DIAGRAM

FEATURES

VCC

RT RAMPADJ

Selectable 2- or 3-phase operation at up to 1 MHz per phase

7.7 mV worst-case differential sensing error over

temperature

SHUNT

REGULATOR

OSCILLATOR

UVLO

Logic-level PWM outputs for interface to external high

power drivers

Fast enhanced PWM (FEPWM) flex mode for excellent load

transient performance

Active current balancing between all output phases

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

VID code changes

Digitally programmable 0.5 V to 1.6 V output supports both

VR10.x and VR11 specifications

SHUTDOWN

SET EN

RESET

GND

PWM1

PWM2

PWM3

CMP

–

850mV

CMP

RESET

DAC

+150mV

–

2-/3-PHASE

DRIVER LOGIC

CSREF

–

RESET

CMP

–

DAC

–350mV

CURRENT

LIMIT

DELAY

CROWBAR

PWRGD

Programmable short-circuit protection with programmable

latch-off delay

SW1

SW2

17 SW3

APPLICATIONS

CSCOMP

ILIMIT

CURRENT

–

CSREF

CSSUM

MEASUREMENT

AND LIMIT

Desktop PC power supplies for

Next generation Intel® processors

VRM modules

DELAY

IREF

–

COMP

GENERAL DESCRIPTION

–

PRECISION

REFERENCE

The ADP3193A¹is 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

performance 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.

BOOT

VOLTAGE

AND

SOFT START

CONTROL

FBRTN

VIDSEL

VC DAC

ADP3193A

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- or

3-phase operation, allowing for the construction of up to three

complementary buck switching stages.

The ADP3193A has a built-in shunt regulator that allows the

part to be connected to the 12 V system supply through a series

resistor.

The ADP3193A is specified over the extended commercial

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

32-lead LFCSP.

The ADP3193A 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

ADP3193A also provides accurate and reliable short-circuit

protection, adjustable current limiting, and 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.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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与ADP3193AJCPZ-RL相关器件

型号	品牌	获取价格	描述	数据表
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
ADP3194JRUZ-RL	ADI	获取价格	6-Bit, Programmable 2-/3-/4-Phase, Synchronous Buck Controller
ADP3196	ADI	获取价格	6-Bit Programmable 2- to 4-Phase Synchronous Buck Controller
ADP3196	ONSEMI	获取价格	6-Bit Programmable 2- to 4-Phase Synchronous Buck Controller
ADP3196JCPZ-RL	ONSEMI	获取价格	6-Bit Programmable 2- to 4-Phase Synchronous Buck Controller
ADP3196JCPZ-RL	ADI	获取价格	6-Bit Programmable 2- to 4-Phase Synchronous Buck Controller
ADP3197	ADI	获取价格	6-Bit Programmable 2-/3-Phase Synchronous Buck Controller
ADP3197JCPZ-RL	ADI	获取价格	6-Bit Programmable 2-/3-Phase Synchronous Buck Controller
ADP3198	ADI	获取价格	8-Bit Programmable 2- to 4-Phase Synchronous Buck Controller

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