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ADP5134CP-EVALZ

Description
EVAL BOARD FOR ADP5134
CategoryDevelopment board/suite/development tools   
File Size927KB,28 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
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ADP5134CP-EVALZ Overview

EVAL BOARD FOR ADP5134

ADP5134CP-EVALZ Parametric

Parameter NameAttribute value
The main purposeDC/DC, LDO step down
Output and type4. Non-isolation
Voltage - Output-
Current - Output1.2A,1.2A,300mA,300mA
Voltage - input2.5 V ~ 5.5 V
Regulator topologystep down
Frequency - Switch3MHz
Board typecompletely filled
What's includedplate
IC/parts usedADP5134
双通道、3
MHz、1200 mA降压稳压器和两个
300 mA LDO稳压器,集成精密½½和电源良½输出
ADP5134
产品特性
输入电压范围:2.5
V至5.5 V
两个1200
mA降压稳压器和两个300 mA LDO稳压器
24引脚、4 mm x 4 mm LFCSP封装
稳压器精度:±1.8%
工厂编程设½或外部可调的VOUTx
精密½½引脚,½电源时序更简单
工厂可选电源良½引脚
3 MHz降压工½,支持强制PWM模式和自动PWM/PSM模式
BUCK1/BUCK2:输出电压范围0.8 V至3.8 V
LDO1/LDO2:输出电压范围0.8 V至5.2 V
LDO1/LDO2:输入电压范围:1.7 V至5.5 V
LDO1/LDO2:高PSRR、½输出噪声
V
IN
2.5V TO
5.5V
VIN1
C1
4.7µF
ON
OFF
EN1
16
典型应用电路
10
15
VOUT1
SW1
FB1
PGND1
MODE
VOUT2
SW2
FB2
PGND2
L2 1µH
R3
R4
C4
10µF
L1 1µH
R1
R2
PWM
C2
10µF
BUCK1
1.2A
12
11
14
13
PSM/PWM
VIN2
C3
4.7µF
ON
OFF
EN2
AVIN
V
INLDO1
1.7V TO
5.5V
C5
0.1µF
C6
1µF
ON
OFF
V
INLDO2
1.7V TO
5.5V
EN3
VIN3
3
MODE
BUCK2
1.2A
9
4
8
5
7
17
HOUSEKEEPING
21
LDO1
300mA
22
20
19
VOUT3
FB3
R5
R6
C7
1µF
VIN4
C8
1µF
ON
OFF
EN4
23
应用
为处理器、特定应用集成电路(ASIC)、现场可编程门阵列
(FPGA)和射频(RF)芯片组供电
便携式仪器仪表和医疗设备
空间受限设备
LDO2
300mA
2
24
VOUT4
R7
R8
C9
1µF
FB4
1
VDDIO
POWER GOOD
PG
6
R1
100k
AGND
图1.
概述
ADP5134集成两个高性½降压稳压器和两个½压差稳压器
(LDO),采用24引脚、4 mm x 4 mm LFCSP封装。
降压稳压器的高开关频率支持小型多层外部器件,并½电
路板空间降至最小。½MODE引脚设½为高电平时,降压
稳压器以强制脉冲½度调制(PWM)模式工½。½MODE引
脚设½为½电平时,如果负½½高于预定义阈值,则降压稳
压器以PWM模式工½;½负½½电流降至预定义阈值以下
时,稳压器以省电模式(PSM)工½,以便改善½负½½效率。
为降½输入电容要求,两个降压稳压器以错相工½。
ADP5134
LDO稳压器的½静态电流、½压差和½输入电压
范围可延长便携式设备的电池½用时间。在频率高达10
kHz
时,ADP5134
LDO稳压器½保持60 dB以上的电源抑制性½,
而所需的电压裕量则很½(500
mV)。
ADP5134中的稳压器通过专用½½引脚激活。可调版本的
默认输出电压可以在外部设½,固定电压版本的默认输出
电压则可在工厂编程设½;预设值范围广泛。
表1. 该系列产品型号
型号
ADP5023
ADP5024
ADP5034
ADP5037
ADP5033
ADP5040
ADP5041
通道
2个降压、1个LDO
2个降压、1个LDO
2个降压、2个LDO
2个降压、2个LDO
最大电流
800 mA, 300 mA
1.2 A, 300 mA
1.2 A, 300 mA
800 mA, 300 mA
封装
LFCSP (CP-24-10)
LFCSP (CP-24-10)
LFCSP (CP-24-10),
TSSOP (RE-28-1)
LFCSP (CP-24-10)
WLCSP (CB-16-8)
LFCSP (CP-20-10)
LFCSP (CP-20-10)
2个降压、2个LDO, 800 mA, 300 mA
带2个ENx引脚
1个降压、2个LDO 1.2 A, 300 mA
1个降压、2个LDO, 1.2 A, 300 mA
带监控电路、
看门狗功½和
手动复½
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. Speci cations 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.
Document Feedback
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2013 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
ADI中文版数据手册是英文版数据手册的译文,敬请谅解翻译中可½存在的语言组织或翻译错误,ADI不对翻译中存在的差异或由此产生的错误负责。如需确认任½词语的准确性,请参考ADI提供
的最新英文版数据手册。
11710-001
18
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