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ADP3182JRQZ-RL

更新时间： 2024-11-30 03:46:15

品牌	Logo	应用领域
亚德诺 - ADI		稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数	文件大小	规格书
20页	406K
描述
Adjustable Output 1-/2-/3-Phase Synchronous Buck Controller

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ADP3182JRQZ-RL 数据手册

Adjustable Output 1-/2-/3-Phase

Synchronous Buck Controller

ADP3182

GENERAL DESCRIPTION

FEATURES

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

phase

2ꢀ worst-case differential sensing error over temperature

Externally adjustable 0.8 V to >5 V output from a 12 V supply

Logic-level PWM outputs for interface to external high

power drivers

Active current balancing between all output phases

Built-in power good/crowbar functions

The ADP3182 is a highly efficient multiphase, synchronous,

buck-switching regulator controller optimized for converting a

12 V main supply into a high current, low voltage supply for use

in point-of-load (POL) applications. It 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 relationship of the output signals can be

programmed to provide 1-, 2-, or 3-phase operation, allowing

for the construction of up to three complementary buck-

switching stages. The ADP3182 also provides accurate and

reliable short-circuit protection and adjustable current limiting.

Programmable short-circuit protection with programmable

latch-off delay

APPLICATIONS

Auxiliary supplies

DDR memory supplies

Point-of-load modules

ADP3182 is specified over the commercial temperature range of

0°C to +85°C and is available in a 20-lead QSOP package.

FUNCTIONAL BLOCK DIAGRAM

RAMPADJ RT

VCC

UVLO

SHUTDOWN

& BIAS

OSCILLATOR

SET

GND

CMP

RESET

PWM1

PWM2

950mV

CURRENT

BALANCING

CIRCUIT

CMP

RESET

2 / 3-PHASE

DRIVER LOGIC

650mV

CMP

RESET

CROWBAR

PWM3

CURRENT

LIMIT

1.05V

DELAY

PWRGD

ILIMIT

SW1

SW2

SW3

CSSUM

CURRENT

LIMIT

CIRCUIT

DELAY

COMP

CSREF

SOFT

START

CSCOMP

800mV

REFERENCE

ADP3182

FBRTN

Figure 1.

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

registered trademarks are the property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

12 3 4 5 6 7...20

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与ADP3182JRQZ-RL相关器件

型号	品牌	获取价格	描述	数据表
ADP3186	ADI	获取价格	5-Bit Programmable 2-/3-/4-Phase Synchronous Buck Controller
ADP3186JRQZ-REEL	ADI	获取价格	5-Bit Programmable 2-/3-/4-Phase Synchronous Buck Controller
ADP3186JRUZ-REEL	ADI	获取价格	5-Bit Programmable 2-/3-/4-Phase Synchronous Buck Controller
ADP3188	ADI	获取价格	6-Bit Programmable 2-/3-/4-Phase Synchronous Buck Controller
ADP3188JRQZ-REEL	ADI	获取价格	6-Bit Programmable 2-/3-/4-Phase Synchronous Buck Controller
ADP3188JRUZ-REEL	ADI	获取价格	6-Bit Programmable 2-/3-/4-Phase Synchronous Buck Controller
ADP3189	ADI	获取价格	8-Bit Programmable 2- to 5-Phase Synchronous Buck Controller
ADP3189JCPZ-R7	ONSEMI	获取价格	SWITCHING CONTROLLER, 5000kHz SWITCHING FREQ-MAX, QCC40, 6 X 6 MM, LEAD FREE, MO-220VJJD-2
ADP3189JCPZ-R7	ROCHESTER	获取价格	SWITCHING CONTROLLER, 5000kHz SWITCHING FREQ-MAX, QCC40, 6 X 6 MM, LEAD FREE, MO-220VJJD-2
ADP3189JCPZ-RL	ROCHESTER	获取价格	SWITCHING CONTROLLER, 5000kHz SWITCHING FREQ-MAX, QCC40, 6 X 6 MM, LEAD FREE, MO-220VJJD-2

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