Datasheet > ADP1876-EVALZ

ADP1876-EVALZ

更新时间： 2024-11-19 07:18:47

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
24页	606K
描述
600 kHz Dual Output Synchronous Buck

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ADP1876-EVALZ 数据手册

600 kHz Dual Output Synchronous Buck

PWM Controller with Linear Regulator

Data Sheet

ADP1876

FEATURES

TYPICAL OPERATION CIRCUIT

Wide input range: 2.75 V to 20 V

RAMP1

Power stage input voltage: 1 V to 20 V

Output voltage range: 0.6 V up to 90% V_IN

Linear dropout (LDO) regulator with a fixed output

1.5 V at 150 mA

Output current more than 25 A per channel

180º phase shift between channels for reduced input

capacitance

0.85% reference voltage accuracy from −40°C to +85°C

Integrated boost diodes

Independent channel precision enable

Overcurrent limit protection

Externally programmable soft start, slope compensation,

and current sense gain

Thermal overload protection

Input undervoltage lockout (UVLO)

Power good with internal pull-up resistor

Available in 32-lead, 5 mm × 5 mm LFCSP

RAMP1

VIN

ADP1876

EN1

EN2

VDL

DH1

BST1

OUT1

SW1

ILIM1

FB1

R11

VCCO

TRK1

DL1

PGND1

RAMP2

R12

PGOOD1

PGOOD2

3V to 5V INPUT

CSG1

VINLDO

VOUTLDO

RAMP2

1.5V

DH2

BST2

COMP1

COMP2

OUT2

SW2

ILIM2

FB2

R21

SS1

SS2

DL2

R22

APPLICATIONS

CSG2

AGND

PGND2

Consumer applications

Telecommunications base station and networking

Industrial and instrumentation

Figure 1.

GENERAL DESCRIPTION

sensing for enhanced noise immunity. The two PWM outputs

are phase shifted 180° for reducing the input current ripple and

the required input capacitance.

The ADP1876 is a dual output dc-to-dc synchronous buck

controller operating at 600 kHz fixed frequency with integrated

drivers that drive N-channel power MOSFETs. An additional

fixed voltage output, 150 mA linear regulator is available for

powering low power loads. The device operates in current

mode for improved transient response and uses valley current

The ADP1876 provides high speed, high peak current drive

capability with dead time optimization to enable energy

efficient power conversion.

Rev. A

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 fromits 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 andregisteredtrademarks 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: 781.461.3113

www.analog.com

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与ADP1876-EVALZ相关器件

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ADP1877	ADI	获取价格	Dual Output Synchronous Buck PWM Controller With Tracking
ADP1877ACPZ-R7	ADI	获取价格	Dual Output Synchronous Buck PWM Controller With Tracking
ADP1877HC-EVALZ	ADI	获取价格	Dual Output Synchronous Buck PWM Controller With Tracking
ADP1878	ADI	获取价格	Synchronous Buck Controller
ADP1878-0.3-EVALZ	ADI	获取价格	Synchronous Buck Controller
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ADP1878-1.0-EVALZ	ADI	获取价格	Synchronous Buck Controller
ADP1878ACPZ-0.3-R7	ADI	获取价格	Synchronous Buck Controller
ADP1878ACPZ-0.6-R7	ADI	获取价格	Synchronous Buck Controller
ADP1878ACPZ-1.0-R7	ADI	获取价格	Synchronous Buck Controller

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