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ADP5135ACPZ-R7

更新时间： 2024-01-02 06:06:08
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亚德诺 - ADI 开关输出元件
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Triple 1800 mA Buck Regulators With Precision Enables and Power Good Outputs

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ADP5135ACPZ-R7 数据手册

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Triple 1800 mA Buck Regulator with  
Precision Enables and Power-Good Outputs  
ADP5135  
Data Sheet  
FEATURES  
TYPICAL APPLICATION CIRCUIT  
Input voltage range: 3.0 V to 5.5 V  
ADP5135  
Three 1800 mA buck regulators  
24-lead, 4 mm × 4 mm LFCSP package  
Regulator accuracy: 1.8ꢀ  
Factory programmable or external adjustable VOUTx pins  
Precision enables for easier power sequencing  
Power-good pins for monitoring each regulator  
3 MHz buck operation with forced PWM and auto PWM/PSM  
modes  
3.0V  
TO  
5.5V  
HOUSE-  
AVIN  
17  
18  
KEEPING  
V
DDIO  
C7  
AGND  
VOUT1  
0.1µF  
10  
L1 1µH  
VIN1  
SW1  
FB1  
16  
14  
15  
11  
C1  
10µF  
R1  
R2  
PWM  
PGND1  
BUCK1  
1.8A  
C2  
22µF  
ON  
EN1  
12  
OFF  
MODE  
AUTO  
13  
9
VIN2  
VOUT2  
3
5
BUCK1/BUCK2/BUCK3: output voltage range from 0.8 V to 3.8 V  
C3  
10µF  
PGND2  
L2 1µH  
SW2  
FB2  
BUCK2  
1.8A  
4
8
APPLICATIONS  
R3  
R4  
ON  
EN2  
C4  
22µF  
7
OFF  
Power for processors, application specific integrated circuits  
(ASICs), field-programmable gate arrays (FPGAs), and  
radio frequency (RF) chipsets  
Portable instrumentation and medical devices  
Space constrained devices  
VOUT3  
VIN3  
21  
19  
22  
C5  
10µF  
L3 1µH  
PGND3  
SW3  
FB3  
BUCK3  
1.8A  
20  
23  
R5  
R6  
C6  
22µF  
ON  
EN3  
24  
OFF  
V
DDIO  
R7  
100Ω  
PG1  
PG2  
PG3  
R8  
100Ω  
POWER  
GOOD  
6
2
1
R9  
100Ω  
Figure 1.  
Table 1. Family Devices  
GENERAL DESCRIPTION  
Max  
Current  
The ADP5135 combines three high performance buck regulators  
(BUCK1, BUCK2, and BUCK3). It is available in a 24-lead,  
4 mm × 4 mm LFCSP.  
Device  
Channels  
Package  
ADP5023 2 buck regulators, 1 LDO  
ADP5024 2 buck regulators, 1 LDO  
ADP5034 2 buck regulators, 2 LDOs  
ADP5037 2 buck regulators, 2 LDOs  
800 mA,  
300 mA  
LFCSP (CP-24-10)  
1.2 A,  
300 mA  
LFCSP (CP-24-10)  
The high switching frequency of the buck regulators enables tiny  
multilayer external components and minimizes the board space.  
When the MODE pin is set to high, the buck regulators operate in  
forced pulse-width modulation (PWM) mode. When the  
MODE pin is set to low, the buck regulators operate in PWM  
mode only when the load is above a predefined threshold. When  
the load current falls below this predefined threshold, the  
regulator operates in power save mode (PSM), improving the  
light load efficiency.  
1.2 A,  
300 mA  
LFCSP (CP-24-10),  
TSSOP (RE-28-1)  
800 mA,  
300 mA  
LFCSP (CP-24-10)  
WLCSP (CB-16-8)  
LFCSP (CP-20-10)  
LFCSP (CP-20-10)  
ADP5033 2 buck regulators, 2 LDOs  
with 2 ENx pins  
800 mA,  
300 mA  
ADP5040 1 buck regulator, 2 LDOs  
1.2 A,  
300 mA  
ADP5041 1 buck regulator, 2 LDOs  
with supervisory circuit,  
watchdog function, and  
manual reset  
1.2 A,  
300 mA  
BUCK1 and BUCK2 operate in synchronization, and BUCK3  
operates out of phase to reduce the input capacitor requirement.  
ADP5133 2 buck regulators with  
2 ENx pins  
800 mA  
WLCSP (CB-16-8)  
LFCSP (CP-24-7)  
Regulators in the ADP5135 are activated through dedicated  
enable pins. The default output voltages can be externally set in  
the adjustable version, or factory programmable to a wide range  
of preset values in the fixed voltage version.  
ADP5134 2 buck regulators, 2 LDOs  
with precision enable and  
power good  
1.2 A,  
300 mA  
Rev. 0  
Document Feedback  
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  
Technical Support  
©2014 Analog Devices, Inc. All rights reserved.  
www.analog.com  
 
 
 
 
 
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