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ADP2106ACPZ-1.2-R7在 Digi-Key 的其他供应商

Description
开关稳压器 IC 输出 16-WQFN 裸露焊盘,CSP
Categorysemiconductor    Multi-channel IC (PMIC)   
File Size1MB,36 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
Download Datasheet Parametric View All

ADP2106ACPZ-1.2-R7在 Digi-Key 的其他供应商 Overview

开关稳压器 IC 输出 16-WQFN 裸露焊盘,CSP

ADP2106ACPZ-1.2-R7在 Digi-Key 的其他供应商 Parametric

Parameter NameAttribute value
category
MakerADI
series*
Package剪切带(CT)Digi-Reel® 得捷定制卷带
Installation typesurface mount type
Package/casing16-WQFN Exposed Pad, CSP
Supplier device packaging16-LFCSP-WQ(4x4)
Basic product numberADP2106
Data Sheet
FEATURES
Extremely high 97% efficiency
Ultralow quiescent current: 20 μA
1.2 MHz switching frequency
0.1 μA shutdown supply current
Maximum load current
ADP2105:
1 A
ADP2106:
1.5 A
ADP2107:
2 A
Input voltage: 2.7 V to 5.5 V
Output voltage: 0.8 V to V
IN
Maximum duty cycle: 100%
Smoothly transitions into low dropout (LDO) mode
Internal synchronous rectifier
Small 16-lead 4 mm × 4 mm LFCSP package
Optimized for small ceramic output capacitors
Enable/shutdown logic input
Undervoltage lockout
Soft start
Supported by
ADIsimPower™
design tool
1 A/1.5 A/2 A Synchronous,
Step-Down DC-to-DC Converters
ADP2105/ADP2106/ADP2107
GENERAL DESCRIPTION
The
ADP2105/ADP2106/ADP2107
are low quiescent current,
synchronous, step-down dc-to-dc converters in a compact 4 mm ×
4 mm LFCSP package. At medium to high load currents, these
devices use a current mode, constant frequency pulse-width
modulation (PWM) control scheme for excellent stability and
transient response. To ensure the longest battery life in portable
applications, the
ADP2105/ADP2106/ADP2107
use a pulse
frequency modulation (PFM) control scheme under light load
conditions that reduces switching frequency to save power.
The
ADP2105/ADP2106/ADP2107
run from input voltages of
2.7 V to 5.5 V, allowing single Li+/Li− polymer cell, multiple
alkaline/NiMH cells, PCMCIA, and other standard power sources.
The output voltage of
ADP2105/ADP2106/ADP2107
is adjustable
from 0.8 V to the input voltage (indicated by ADJ), whereas the
ADP2105/ADP2106/ADP2107
are available in preset output
voltage options of 3.3 V, 1.8 V, 1.5 V, and 1.2 V (indicated by x.x V).
Each of these variations is available in three maximum current
levels: 1 A (ADP2105), 1.5 A (ADP2106), and 2 A (ADP2107).
The power switch and synchronous rectifier are integrated for
minimal external part count and high efficiency. During logic
controlled shutdown, the input is disconnected from the output,
and it draws less than 0.1 µA from the input source. Other key
features include undervoltage lockout to prevent deep battery
discharge and programmable soft start to limit inrush current at
startup.
100
V
IN
= 3.3V
95
V
IN
= 3.6V
V
OUT
= 2.5V
APPLICATIONS
Mobile handsets
PDAs and palmtop computers
Telecommunication/networking equipment
Set top boxes
Audio/video consumer electronics
TYPICAL OPERATING CIRCUIT
0.1μF
10Ω
V
IN
INPUT VOLTAGE = 2.7V TO 5.5V
10μF
FB
EFFICIENCY (%)
16
15
14
13
90
V
IN
= 5V
85
ON
OFF
1
EN
FB
GND
IN
PWIN1
LX2
12
PGND
11
OUTPUT VOLTAGE = 2.5V
2μH
2
GND
ADP2107-ADJ
3
GND
85kΩ
LX1
10
FB
V
IN
40kΩ
10μF
10μF
4.7μF
80
06079-001
4
GND
PWIN2
9
AGND NC
7
8
6
COMP SS
5
LOAD
0A TO 2A
75
0
200
400
600
800
LOAD CURRENT (mA)
1000 1200 1400 1600 1800 2000
70kΩ
120pF
1nF
Figure 2. Efficiency vs. Load Current for the
ADP2107
with V
OUT
= 2.5 V
NC = NO CONNECT
06079-002
Figure 1. Circuit Configuration of
ADP2107
with V
OUT
= 2.5 V
Rev. E
Document Feedback
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Tel: 781.329.4700 ©2006–2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
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.
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