Datasheet > ADP5033-1-EVALZ

ADP5033-1-EVALZ

更新时间： 2024-11-26 08:19:39

品牌	Logo	应用领域
亚德诺 - ADI		稳压器
页数	文件大小	规格书
28页	660K
描述
Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs

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ADP5033-1-EVALZ 数据手册

Dual 3 MHz, 800 mA Buck

Regulators with Two 300 mA LDOs

ADP5033

The high switching frequency of the buck regulators enables

tiny multilayer external components and minimizes the board

space. When the MODE pin is set high, the buck regulators

operate in forced PWM mode. When the MODE pin is set low,

the buck regulators operate in QPXFS TBWF NPEF P4M . When

UI F MPBE JT around the nominal value and the load current falls

CFMPX B predefined threshold, the regulator operates in 14.

improving the light load efficiency.

FEATURES

Main input voltage range: 2.3 V to 5.5 V

Two 800 mA buck regulators and two 300 mA LDOs

Tiny, 16-ball, 2 mm × 2 mm WLCSP package

Regulator accuracy: 3ꢀ

Factory programmable VOUTx

3 MHz buck operation with forced PWM and auto PWM/PSM

modes

BUCK1/BUCK2: output voltage range from 0.8 V to 3.3 V

LDO1/LDO2: output voltage range from 0.8 V to 3.3V

LDO1/LDO2: low input supply voltage from 1.7 V to 5.5 V

LDO1/LDO2: high PSRR and low output noise

The two bucks operate out of phase to reduce the input capacitor

requirement and noise.

The low quiescent current, low dropout voltage, and wide input

voltage range of the ADP5033 LDO extend the battery life of

portable devices. The ADP5033 LDOs maintain power supply

rejection greater than 60 dB for frequencies as high as 10 kHz

while operating with a low headroom voltage.

APPLICATIONS

Power for processors, ASICS, FPGAs, and RF chipsets

Portable instrumentation and medical devices

Space constrained devices

The regulators in the ADP5033 are activated by the ENA and

ENB pins. The specific channels controlled by ENA and ENB

are set by factory programming. A high voltage level applied to

the enable pins activates the regulators. The default output

voltages are factory programmable and can be set to a wide

range of options.

GENERAL DESCRIPTION

The ADP5033 combines two high performance buck regulators

and two low dropout regulators (LDO) in a tiny, 16-ball, 2 mm ×

2 mm WLCSP to meet demanding performance and board

space requirements.

TYPICAL APPLICATION CIRCUIT

ADP5033

L1 1µH

SW1

VOUT1 @

800mA

VIN1

2.3V TO 5.5V

VOUT1

4.7µF

10µF

BUCK1

EN1

PGND1

MODE

ENA

ENB

MODE

OFF

EN2

EN3

EN4

PWM

PSM/PWM

VIN2

MODE

L2 1µH

4.7µF

SW2

VOUT2 @

800mA

VOUT2

BUCK2

10µF

PGND2

EN2

EN3

VOUT3

VIN3

VIN4

VOUT3 @

300mA

1.7V TO 5.5V

LDO1

1µF

(ANALOG)

1µF

EN4

VOUT4

VOUT4 @

300mA

LDO2

1µF

(DIGITAL)

AGND

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 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ADP5033-1-EVALZ相关器件

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ADP5033ACBZ-6-R7	ADI	获取价格	Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs
ADP5033ACBZ-7-R7	ADI	获取价格	Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs
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