參數(shù)資料
型號(hào)： ADP5022ACBZ-2-R7
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 1/28頁(yè)
文件大?。?/td> 1071K
描述： IC REG TRPL BCK/LINEAR 16WLCSP
產(chǎn)品變化通告： 8mm Carrier Tape Changes 28/Feb/2012
標(biāo)準(zhǔn)包裝： 1
拓?fù)洌?/td> 降壓（降壓）同步（2），線性（LDO）（1）
功能： 任何功能
輸出數(shù)： 3
頻率 - 開關(guān)： 3MHz
電壓/電流 - 輸出 1： 1.2V，600mA
電壓/電流 - 輸出 2： 1.8V，600mA
電壓/電流 - 輸出 3： 2.8V，150mA
帶 LED 驅(qū)動(dòng)器： 無(wú)
帶監(jiān)控器： 無(wú)
帶序列發(fā)生器： 是
電源電壓： 2.3 V ~ 5.5 V
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 16-WFBGA，WLCSP
供應(yīng)商設(shè)備封裝： 16-WLCSP
包裝： 標(biāo)準(zhǔn)包裝
其它名稱： ADP5022ACBZ-2-R7DKR
 
Dual 3 MHz, 600 mA Buck
Regulator with 150 mA LDO
 
ADP5022
 
 
Rev. C
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 Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com 
Fax: 781.461.3113    ?0092010 Analog Devices, Inc. All rights reserved.
FEATURES
Input voltage range: 2.4 V to 5.5 V
Tiny 16-ball, 2 mm ?2 mm WLCSP package
Overcurrent and thermal protection
Soft start
Factory programmable undervoltage lockout on VDDA
system supply of either 2.2 V or 3.9 V
Factory programmable default output voltages for all
3 channels
Buck1 and Buck2 key specifications
Current mode architecture for excellent transient response
3 MHz operating frequency
Uses tiny multilayer inductors and capacitors
Forced PWM and auto PWM/PSM modes
Out-of-phase operation for reduced input filtering
100% duty cycle low dropout mode
24 糀 typical quiescent current per channel, no switching
LDO key specifications
Stable with 1 糉 ceramic output capacitors
High PSRR
60 dB up to 10 KHz
Low output noise
65 糣 rms output noise at VOUT3 = 3.3 V
Low dropout voltage: 150 mV @ 150 mA load
11 糀 typical ground current at no load
APPLICATIONS
USB devices
Handheld products
Multivoltage power for processors, ASICS, FPGAs,
and RF chipsets
GENERAL DESCRIPTION
The ADP5022 is a micro power management unit (micro PMU)
that combines two high performance buck regulators and a low
dropout regulator (LDO) in a tiny 16-ball 2.08 mm ?2.08 mm
WLCSP to meet demanding performance and board space
requirements.
The high switching frequency of the buck regulators enables
tiny multilayer external components and minimizes the board
space required. When the MODE pin is set high, the buck reg-
ulators operate in forced PWM mode. When the MODE pin is
set low, the buck regulators automatically switch operating
modes, depending on the load current level. At higher output
loads, the buck regulators operate in PWM mode. When the
load current falls below a predefined threshold, the regulators
operate in power save mode (PSM), improving the light-load
efficiency.
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 ADP5022 LDO extends the battery life of
portable devices. The LDO maintains power supply rejection
greater than 60 dB for frequencies as high as 10 kHz while
operating with a low headroom voltage.
Each regulator in the ADP5022 has a dedicated, independent
enable pin. A high voltage level applied to the enable pin activates
the respective regulator. The default output voltages are factory
programmable and can be set to a wide range of options.
C2
4.7礔
C3
4.7礔
VIN1
VIN3
EN1
ON
OFF
PWM
PWM/PSM
V
IN
 = 2.4V
TO 5.5V
SW1
VOUT1
PGND1
MODE
C4
10礔
C6
1礔
V
OUT1
 @
600mA
L1
1礖
L2
1礖
EN_BK1
BUCK1
MODE
C1
1礔
VIN2
EN2
VDDA
ON
OFF
SW2
VOUT2
VOUT3
AGND
PGND2
C5
10礔
V
OUT2
 @
600mA
EN_BK2
BUCK2
MODE
EN3
ON
OFF
V
OUT3
 @
150mA
EN_LDO1
LDO1
ADP5022
 
C1
L1
COUT_1    COUT_2
COUT_3
C2
C4
C3
4.7mm
5.0mm
 
Figure 1. Typical Applications Circuit
Figure 2. Typical PCB Layout
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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