Datasheet > ADP3182JRQZ-REEL

ADP3182JRQZ-REEL

更新时间： 2024-09-25 20:07:55

品牌	Logo	应用领域
亚德诺 - ADI		开关光电二极管
页数	文件大小	规格书
16页	319K
描述
IC SWITCHING CONTROLLER, 3000 kHz SWITCHING FREQ-MAX, PDSO20, ROHS COMPLIANT, MO-137AD, QSOP-28, Switching Regulator or Controller

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ADP3182JRQZ-REEL 数据手册

Adjustable Output 1-/2-/3-Phase

Synchronous Buck Controller

Preliminary Technical Data

FEATURES

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

phase

ADP3182

FUNCTIONAL BLOCK DIAGRAM

VCC

RAMPADJ RT

ADP3182

2ꢀ ꢁorst-case differential sensing error over temperature

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

Logic-level PꢁM outputs for interface to external high-

power drivers

Active current balancing between all output phases

Built-in power good/crowbar functions

Programmable short circuit protection with programmable

latch-off delay

UVLO

SHUTDOWN

& BIAS

OSCILLATOR

SET

CMP

RESET

PWM1

PWM2

GND

–

950mV

CURRENT

BALANCING

CIRCUIT

CMP

RESET

–

2 / 3-PHASE

DRIVER LOGIC

–

CMP

RESET

PWM3

–

650mV

CROWBAR

CURRENT

LIMIT

PWRGD

DELAY

–

1.05V

APPLICATIONS

Auxiliary supplies

DDR memory supplies

Point-of-load modules

SW1

SW2

SW3

ILIMIT

–

CSSUM

CSREF

CURRENT

LIMIT

CIRCUIT

GENERAL DESCRIPTION

DELAY

COMP

The ADP3182 is a highly efficient multi-phase 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 multi-mode 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.

SOFT

START

CSCOMP

–

800 mV

REFERENCE

FBRTN

Figure 1.

The ADP3182 also provides accurate and reliable short circuit

protection and adjustable current limiting.

ADP3182 is specified over the commercial temperature range of

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

Rev. PrB

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 ꢁay, 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...16

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与ADP3182JRQZ-REEL相关器件

型号	品牌	获取价格	描述	数据表
ADP3182JRQZ-RL	ADI	获取价格	Adjustable Output 1-/2-/3-Phase Synchronous Buck Controller
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

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